./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:40,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:40,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:46:40,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:46:40,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:46:40,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:40,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:40,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:40,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:40,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:40,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:40,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:40,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:46:40,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:40,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:40,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:40,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:40,471 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:40,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:46:40,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:46:40,472 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:40,473 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:40,473 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:40,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:40,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:40,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:40,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:40,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:40,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:40,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:40,480 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:46:40,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:46:40,493 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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef [2024-11-08 22:46:40,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:40,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:40,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:40,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:40,820 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:40,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i Unable to find full path for "g++" [2024-11-08 22:46:42,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:43,311 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:43,312 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i [2024-11-08 22:46:43,343 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data/93ab94f4c/c3ec56578f2f4df98efee70d1bc27e0c/FLAG22e1341bc [2024-11-08 22:46:43,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data/93ab94f4c/c3ec56578f2f4df98efee70d1bc27e0c [2024-11-08 22:46:43,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:43,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:43,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:43,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:43,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:43,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:43" (1/1) ... [2024-11-08 22:46:43,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcb7764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:43, skipping insertion in model container [2024-11-08 22:46:43,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:43" (1/1) ... [2024-11-08 22:46:43,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:44,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:44,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:44,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:44,796 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:44,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44 WrapperNode [2024-11-08 22:46:44,796 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:44,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:44,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:44,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:44,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,857 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-08 22:46:44,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:44,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:44,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:44,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:44,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:44,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:44,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:44,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:44,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:44" (1/1) ... [2024-11-08 22:46:44,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:44,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:44,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:44,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:46:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:46:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:46:45,142 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:45,145 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:45,314 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:45,315 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:45,377 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:45,378 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:46:45,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:45 BoogieIcfgContainer [2024-11-08 22:46:45,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:45,384 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:45,384 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:45,393 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:45,394 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:45" (1/1) ... [2024-11-08 22:46:45,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:45,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:46:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:46:45,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:46:45,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:45,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:46,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:46,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-08 22:46:46,083 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-08 22:46:46,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:46:46,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:46:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:46,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:46,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:46,299 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:46:46,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:46 ImpRootNode [2024-11-08 22:46:46,339 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:46,341 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:46,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:46,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:46,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:45" (3/4) ... [2024-11-08 22:46:46,345 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:46,346 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:46,347 INFO L158 Benchmark]: Toolchain (without parser) took 2977.12ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 120.2MB in the beginning and 113.2MB in the end (delta: 7.0MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-08 22:46:46,349 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 163.6MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:46,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.74ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 120.2MB in the beginning and 169.8MB in the end (delta: -49.6MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:46,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.65ms. Allocated memory is still 211.8MB. Free memory was 169.8MB in the beginning and 166.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:46,351 INFO L158 Benchmark]: Boogie Preprocessor took 46.60ms. Allocated memory is still 211.8MB. Free memory was 166.5MB in the beginning and 165.6MB in the end (delta: 902.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:46,353 INFO L158 Benchmark]: RCFGBuilder took 472.30ms. Allocated memory is still 211.8MB. Free memory was 164.6MB in the beginning and 149.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:46,354 INFO L158 Benchmark]: CodeCheck took 957.11ms. Allocated memory is still 211.8MB. Free memory was 149.9MB in the beginning and 113.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:46,355 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 211.8MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:46,358 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_51_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_51b_badSink(data) [L1577] ++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 0.35ms. Allocated memory is still 163.6MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.74ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 120.2MB in the beginning and 169.8MB in the end (delta: -49.6MB). Peak memory consumption was 76.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.65ms. Allocated memory is still 211.8MB. Free memory was 169.8MB in the beginning and 166.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.60ms. Allocated memory is still 211.8MB. Free memory was 166.5MB in the beginning and 165.6MB in the end (delta: 902.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.30ms. Allocated memory is still 211.8MB. Free memory was 164.6MB in the beginning and 149.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 957.11ms. Allocated memory is still 211.8MB. Free memory was 149.9MB in the beginning and 113.2MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 211.8MB. Free memory is still 113.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:46:46,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:46:48,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:46:48,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:46:48,952 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:46:48,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:46:48,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:46:48,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:46:48,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:46:48,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:46:48,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:46:48,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:46:48,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:46:48,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:46:48,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:46:48,958 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:46:48,958 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:46:48,959 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:46:48,959 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:46:48,963 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:46:48,963 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:46:48,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:46:48,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:46:48,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:46:48,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:46:48,966 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:46:48,967 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:48,967 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:46:48,968 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:46:48,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:48,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:46:48,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:46:48,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:46:48,969 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:46:48,970 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:48,970 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:46:48,971 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_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8876f9977695ca0ceb6bb9d505fa2bf741f2323f9d05daad5ac638cdc1835eef [2024-11-08 22:46:49,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:46:49,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:46:49,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:46:49,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:46:49,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:46:49,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i Unable to find full path for "g++" [2024-11-08 22:46:51,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:46:51,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:46:51,959 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_51_bad.i [2024-11-08 22:46:51,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data/96d71cae5/9138f58ff196467a88ed965dd4962474/FLAG3c36110e3 [2024-11-08 22:46:51,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/data/96d71cae5/9138f58ff196467a88ed965dd4962474 [2024-11-08 22:46:52,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:46:52,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:46:52,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:52,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:46:52,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:46:52,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:51" (1/1) ... [2024-11-08 22:46:52,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc55276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:52, skipping insertion in model container [2024-11-08 22:46:52,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:46:51" (1/1) ... [2024-11-08 22:46:52,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:46:53,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:53,215 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:46:53,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:46:53,484 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:46:53,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53 WrapperNode [2024-11-08 22:46:53,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:46:53,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:53,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:46:53,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:46:53,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,520 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,544 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-08 22:46:53,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:46:53,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:46:53,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:46:53,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:46:53,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:46:53,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:46:53,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:46:53,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:46:53,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:46:53" (1/1) ... [2024-11-08 22:46:53,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:46:53,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:46:53,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:46:53,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:46:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:46:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:46:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:46:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:46:53,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:46:53,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:46:53,822 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:46:53,824 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:46:53,961 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 22:46:53,961 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:46:54,027 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:46:54,027 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:46:54,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:54 BoogieIcfgContainer [2024-11-08 22:46:54,028 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:46:54,029 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:46:54,029 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:46:54,039 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:46:54,039 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:54" (1/1) ... [2024-11-08 22:46:54,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:46:54,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:46:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:46:54,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:46:54,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:54,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:54,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:54,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:54,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:46:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:54,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:46:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:46:54,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:46:54,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:46:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:46:54,394 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:46:54,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:46:54,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:46:54,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:46:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:46:54,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:46:54,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:46:54,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:46:54,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:46:54,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:46:54,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:46:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:54,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:54,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:46:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:46:54,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:46:54,812 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:46:54,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:46:54 ImpRootNode [2024-11-08 22:46:54,852 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:46:54,853 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:46:54,853 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:46:54,853 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:46:54,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:46:54" (3/4) ... [2024-11-08 22:46:54,857 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:46:54,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:46:54,859 INFO L158 Benchmark]: Toolchain (without parser) took 2857.04ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 48.8MB in the beginning and 51.6MB in the end (delta: -2.8MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:54,860 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:54,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.06ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 47.5MB in the end (delta: 1.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:54,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.31ms. Allocated memory is still 100.7MB. Free memory was 47.5MB in the beginning and 44.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:54,863 INFO L158 Benchmark]: Boogie Preprocessor took 55.02ms. Allocated memory is still 100.7MB. Free memory was 44.4MB in the beginning and 71.5MB in the end (delta: -27.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-08 22:46:54,864 INFO L158 Benchmark]: RCFGBuilder took 426.76ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 53.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:46:54,865 INFO L158 Benchmark]: CodeCheck took 823.74ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 52.3MB in the end (delta: 813.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:46:54,866 INFO L158 Benchmark]: Witness Printer took 4.94ms. Allocated memory is still 100.7MB. Free memory was 52.2MB in the beginning and 51.6MB in the end (delta: 600.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:46:54,870 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_preinc_51_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_51b_badSink(data) [L1577] ++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 0.24ms. Allocated memory is still 77.6MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 94.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1482.06ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 48.5MB in the beginning and 47.5MB in the end (delta: 1.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.31ms. Allocated memory is still 100.7MB. Free memory was 47.5MB in the beginning and 44.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.02ms. Allocated memory is still 100.7MB. Free memory was 44.4MB in the beginning and 71.5MB in the end (delta: -27.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 426.76ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 53.2MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 823.74ms. Allocated memory is still 100.7MB. Free memory was 53.2MB in the beginning and 52.3MB in the end (delta: 813.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.94ms. Allocated memory is still 100.7MB. Free memory was 52.2MB in the beginning and 51.6MB in the end (delta: 600.5kB). 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 [2024-11-08 22:46:54,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36a57f3d-7bc6-43af-a6fb-a8343fd91902/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