./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_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_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/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_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/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_75d33bd2-8415-4eb2-8719-58f856639364/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 ba7498218d229ce55ff08f10e054cbf5ca2bbc040b3cb772c5bb6a6b7f724ee8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:27,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:27,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:42:27,345 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:42:27,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:42:27,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:27,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:42:27,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:42:27,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:27,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:27,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:27,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:27,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:42:27,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:27,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:27,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:27,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:27,393 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:27,393 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:42:27,393 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:42:27,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:27,400 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:27,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:27,401 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:27,401 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:27,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:27,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:27,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:27,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:27,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:42:27,422 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:42:27,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:42:27,423 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_75d33bd2-8415-4eb2-8719-58f856639364/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba7498218d229ce55ff08f10e054cbf5ca2bbc040b3cb772c5bb6a6b7f724ee8 [2024-11-08 23:42:27,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:27,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:27,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:27,717 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:27,718 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:27,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_bad.i Unable to find full path for "g++" [2024-11-08 23:42:29,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:30,028 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:30,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_bad.i [2024-11-08 23:42:30,064 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data/1fdb8a58c/bf16835e79974e42aa8863696e387914/FLAG06e0f8e42 [2024-11-08 23:42:30,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data/1fdb8a58c/bf16835e79974e42aa8863696e387914 [2024-11-08 23:42:30,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:30,284 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:30,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:30,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:30,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:30,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:30" (1/1) ... [2024-11-08 23:42:30,294 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b5600a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:30, skipping insertion in model container [2024-11-08 23:42:30,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:30" (1/1) ... [2024-11-08 23:42:30,358 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:31,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:31,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:31,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:31,758 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:31,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31 WrapperNode [2024-11-08 23:42:31,759 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:31,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:31,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:31,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:31,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,792 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,816 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-08 23:42:31,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:31,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:31,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:31,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:31,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:31,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:31,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:31,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:31,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:31" (1/1) ... [2024-11-08 23:42:31,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:31,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:31,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:31,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:42:31,920 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:42:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:31,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:42:32,064 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:32,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:32,217 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:32,218 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:32,265 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:32,265 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:42:32,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:32 BoogieIcfgContainer [2024-11-08 23:42:32,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:32,268 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:32,268 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:32,280 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:32,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:32" (1/1) ... [2024-11-08 23:42:32,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:32,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 23:42:32,365 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 23:42:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:42:32,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:32,697 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 23:42:32,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:32,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 22 transitions. [2024-11-08 23:42:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-08 23:42:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:42:32,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:32,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:42:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:32,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:32,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:32,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:32,989 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:42:33,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:42:33 ImpRootNode [2024-11-08 23:42:33,021 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:42:33,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:42:33,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:42:33,024 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:42:33,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:32" (3/4) ... [2024-11-08 23:42:33,027 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:42:33,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:42:33,030 INFO L158 Benchmark]: Toolchain (without parser) took 2746.48ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 107.9MB in the beginning and 128.7MB in the end (delta: -20.7MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,031 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 122.3MB in the beginning and 122.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:33,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1474.31ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 107.9MB in the beginning and 176.9MB in the end (delta: -69.0MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.68ms. Allocated memory is still 224.4MB. Free memory was 175.9MB in the beginning and 173.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,035 INFO L158 Benchmark]: Boogie Preprocessor took 26.76ms. Allocated memory is still 224.4MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,036 INFO L158 Benchmark]: RCFGBuilder took 421.39ms. Allocated memory is still 224.4MB. Free memory was 171.7MB in the beginning and 157.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,036 INFO L158 Benchmark]: CodeCheck took 754.98ms. Allocated memory is still 224.4MB. Free memory was 157.0MB in the beginning and 128.7MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 23:42:33,037 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 224.4MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:33,041 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 15 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 62 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, 0.2s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_predec_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1569] --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 0.31ms. Allocated memory is still 153.1MB. Free memory was 122.3MB in the beginning and 122.1MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1474.31ms. Allocated memory was 153.1MB in the beginning and 224.4MB in the end (delta: 71.3MB). Free memory was 107.9MB in the beginning and 176.9MB in the end (delta: -69.0MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.68ms. Allocated memory is still 224.4MB. Free memory was 175.9MB in the beginning and 173.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.76ms. Allocated memory is still 224.4MB. Free memory was 173.8MB in the beginning and 171.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.39ms. Allocated memory is still 224.4MB. Free memory was 171.7MB in the beginning and 157.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 754.98ms. Allocated memory is still 224.4MB. Free memory was 157.0MB in the beginning and 128.7MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 224.4MB. Free memory is still 128.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:42:33,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/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_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/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_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/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_75d33bd2-8415-4eb2-8719-58f856639364/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 ba7498218d229ce55ff08f10e054cbf5ca2bbc040b3cb772c5bb6a6b7f724ee8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:42:35,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:42:35,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:42:35,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:42:35,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:42:35,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:42:35,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:42:35,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:42:35,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:42:35,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:42:35,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:42:35,610 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:42:35,614 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:42:35,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:42:35,617 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:42:35,617 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:42:35,618 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:42:35,618 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:42:35,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:42:35,619 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:42:35,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:42:35,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:42:35,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:42:35,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:42:35,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:42:35,624 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:35,624 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:42:35,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:42:35,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:35,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:42:35,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:42:35,626 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:42:35,626 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:42:35,626 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:35,627 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:42:35,629 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_75d33bd2-8415-4eb2-8719-58f856639364/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba7498218d229ce55ff08f10e054cbf5ca2bbc040b3cb772c5bb6a6b7f724ee8 [2024-11-08 23:42:36,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:42:36,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:42:36,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:42:36,063 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:42:36,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:42:36,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_bad.i Unable to find full path for "g++" [2024-11-08 23:42:38,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:42:38,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:42:38,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_09_bad.i [2024-11-08 23:42:38,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data/c1f212cb9/2cee1ed3a90d48368071bc847159a4ce/FLAG57d969579 [2024-11-08 23:42:38,661 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/data/c1f212cb9/2cee1ed3a90d48368071bc847159a4ce [2024-11-08 23:42:38,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:42:38,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:42:38,666 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:38,666 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:42:38,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:42:38,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:38" (1/1) ... [2024-11-08 23:42:38,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@688285f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:38, skipping insertion in model container [2024-11-08 23:42:38,674 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:42:38" (1/1) ... [2024-11-08 23:42:38,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:42:39,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:39,727 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:42:39,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:42:39,959 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:42:39,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39 WrapperNode [2024-11-08 23:42:39,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:42:39,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:39,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:42:39,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:42:39,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,003 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,030 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-08 23:42:40,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:42:40,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:42:40,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:42:40,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:42:40,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,052 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:42:40,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:42:40,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:42:40,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:42:40,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:42:39" (1/1) ... [2024-11-08 23:42:40,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:42:40,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:42:40,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:42:40,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:42:40,166 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:42:40,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:42:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:42:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:42:40,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:42:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:42:40,398 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:42:40,400 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:42:40,638 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 23:42:40,639 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:42:40,726 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:42:40,726 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:42:40,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:40 BoogieIcfgContainer [2024-11-08 23:42:40,727 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:42:40,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:42:40,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:42:40,743 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:42:40,743 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:40" (1/1) ... [2024-11-08 23:42:40,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:42:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:40,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 23:42:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 23:42:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:42:40,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:40,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:40,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:40,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:40,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:42:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:40,999 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:42:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:42:41,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:42:41,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:42:41,085 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 23:42:41,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:41,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:42:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-11-08 23:42:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-08 23:42:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:42:41,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:42:41,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:42:41,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:42:41,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:42:41,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:42:41,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:41,302 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:41,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:41,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:42:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:42:41,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:42:41,512 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:42:41,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:42:41 ImpRootNode [2024-11-08 23:42:41,548 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:42:41,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:42:41,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:42:41,549 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:42:41,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:42:40" (3/4) ... [2024-11-08 23:42:41,552 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:42:41,554 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:42:41,555 INFO L158 Benchmark]: Toolchain (without parser) took 2889.72ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 55.9MB in the beginning and 72.7MB in the end (delta: -16.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-08 23:42:41,556 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:41,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1294.06ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 47.3MB in the end (delta: 8.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 23:42:41,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.87ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 43.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:41,557 INFO L158 Benchmark]: Boogie Preprocessor took 55.21ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:42:41,558 INFO L158 Benchmark]: RCFGBuilder took 639.84ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 42.0MB in the beginning and 69.1MB in the end (delta: -27.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-08 23:42:41,559 INFO L158 Benchmark]: CodeCheck took 820.39ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 73.3MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:41,559 INFO L158 Benchmark]: Witness Printer took 5.43ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 72.7MB in the end (delta: 542.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:42:41,563 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 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, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 35 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1578, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE191_Integer_Underflow__int_fgets_predec_09_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] COND TRUE \read(GLOBAL_CONST_TRUE) 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] [L1569] --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 0.21ms. Allocated memory is still 62.9MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1294.06ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 47.3MB in the end (delta: 8.4MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.87ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 43.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.21ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 639.84ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 42.0MB in the beginning and 69.1MB in the end (delta: -27.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 820.39ms. Allocated memory is still 107.0MB. Free memory was 69.1MB in the beginning and 73.3MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.43ms. Allocated memory is still 107.0MB. Free memory was 73.3MB in the beginning and 72.7MB in the end (delta: 542.5kB). 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 23:42:41,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75d33bd2-8415-4eb2-8719-58f856639364/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