./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/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_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/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_8186c5dd-3a91-4392-9567-dcd694653f2e/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 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:36:57,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:36:58,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:36:58,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:36:58,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:36:58,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:36:58,095 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:36:58,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:36:58,096 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:36:58,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:36:58,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:36:58,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:36:58,098 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:36:58,099 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:36:58,100 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:36:58,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:36:58,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:36:58,107 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:36:58,107 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:36:58,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:36:58,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:36:58,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:36:58,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:36:58,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:36:58,109 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:36:58,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:36:58,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:36:58,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:36:58,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:36:58,111 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:36:58,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:36:58,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:36:58,111 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_8186c5dd-3a91-4392-9567-dcd694653f2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf [2024-11-09 00:36:58,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:36:58,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:36:58,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:36:58,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:36:58,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:36:58,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i Unable to find full path for "g++" [2024-11-09 00:37:00,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:37:00,834 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:37:00,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2024-11-09 00:37:00,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data/1c2ef3dd7/b08196a25c0347118c29292d015d1c45/FLAG6221a47ee [2024-11-09 00:37:00,884 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data/1c2ef3dd7/b08196a25c0347118c29292d015d1c45 [2024-11-09 00:37:00,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:37:00,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:37:00,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:00,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:37:00,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:37:00,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:00" (1/1) ... [2024-11-09 00:37:00,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e453092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:00, skipping insertion in model container [2024-11-09 00:37:00,902 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:00" (1/1) ... [2024-11-09 00:37:00,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:37:02,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:02,097 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:37:02,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:02,365 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:37:02,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02 WrapperNode [2024-11-09 00:37:02,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:02,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:02,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:37:02,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:37:02,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,405 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,430 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2024-11-09 00:37:02,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:02,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:37:02,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:37:02,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:37:02,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:37:02,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:37:02,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:37:02,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:37:02,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:02" (1/1) ... [2024-11-09 00:37:02,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:02,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:37:02,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:37:02,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:37:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:37:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:37:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:37:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:37:02,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:37:02,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:37:02,775 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:37:02,778 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:37:02,956 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:37:02,956 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:03,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:03,004 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:37:03,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:03 BoogieIcfgContainer [2024-11-09 00:37:03,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:03,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:37:03,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:37:03,025 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:37:03,025 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:03" (1/1) ... [2024-11-09 00:37:03,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-09 00:37:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-09 00:37:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:37:03,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:03,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:03,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:03,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:03,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 29 transitions. [2024-11-09 00:37:03,421 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-09 00:37:03,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:37:03,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:03,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:37:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:03,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:37:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:03,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:37:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:03,721 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:37:03,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:37:03 ImpRootNode [2024-11-09 00:37:03,762 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:37:03,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:37:03,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:37:03,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:37:03,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:03" (3/4) ... [2024-11-09 00:37:03,767 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:37:03,769 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:37:03,770 INFO L158 Benchmark]: Toolchain (without parser) took 2880.42ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 126.0MB in the beginning and 135.6MB in the end (delta: -9.6MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2024-11-09 00:37:03,771 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 167.8MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:37:03,772 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1475.40ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 126.0MB in the beginning and 184.9MB in the end (delta: -58.9MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. [2024-11-09 00:37:03,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.43ms. Allocated memory is still 226.5MB. Free memory was 184.9MB in the beginning and 181.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:37:03,774 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 226.5MB. Free memory was 181.7MB in the beginning and 180.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:37:03,774 INFO L158 Benchmark]: RCFGBuilder took 544.11ms. Allocated memory is still 226.5MB. Free memory was 180.7MB in the beginning and 163.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:37:03,777 INFO L158 Benchmark]: CodeCheck took 755.63ms. Allocated memory is still 226.5MB. Free memory was 163.9MB in the beginning and 135.6MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 00:37:03,778 INFO L158 Benchmark]: Witness Printer took 6.12ms. Allocated memory is still 226.5MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:37:03,781 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, 25 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, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 21 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1588. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1588] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1589] CALL CWE191_Integer_Underflow__int_fgets_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] case 6: [L1559] data = atoi(inputBuffer) [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 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 0.83ms. Allocated memory is still 167.8MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1475.40ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 126.0MB in the beginning and 184.9MB in the end (delta: -58.9MB). Peak memory consumption was 77.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.43ms. Allocated memory is still 226.5MB. Free memory was 184.9MB in the beginning and 181.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 226.5MB. Free memory was 181.7MB in the beginning and 180.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 544.11ms. Allocated memory is still 226.5MB. Free memory was 180.7MB in the beginning and 163.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 755.63ms. Allocated memory is still 226.5MB. Free memory was 163.9MB in the beginning and 135.6MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.12ms. Allocated memory is still 226.5MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:37:03,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/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_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/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_8186c5dd-3a91-4392-9567-dcd694653f2e/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 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:37:06,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:37:06,348 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:37:06,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:37:06,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:37:06,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:37:06,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:37:06,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:37:06,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:37:06,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:37:06,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:37:06,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:37:06,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:37:06,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:37:06,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:37:06,424 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:37:06,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:37:06,425 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:37:06,425 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:37:06,426 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:37:06,428 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:37:06,428 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:37:06,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:37:06,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:37:06,429 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:37:06,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:06,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:37:06,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:37:06,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:06,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:37:06,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:37:06,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:37:06,432 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:37:06,432 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:06,432 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:37:06,433 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_8186c5dd-3a91-4392-9567-dcd694653f2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ad4f177ad24416f0fe3da2d3224b4418a7b6b8b21fdad8ae3de4d714059cdf [2024-11-09 00:37:06,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:37:06,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:37:06,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:37:06,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:37:06,880 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:37:06,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i Unable to find full path for "g++" [2024-11-09 00:37:08,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:37:09,287 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:37:09,289 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_15_bad.i [2024-11-09 00:37:09,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data/e6a104d66/4e66a3a495514d59a10229c87972d79f/FLAG8f200413b [2024-11-09 00:37:09,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/data/e6a104d66/4e66a3a495514d59a10229c87972d79f [2024-11-09 00:37:09,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:37:09,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:37:09,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:09,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:37:09,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:37:09,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:09" (1/1) ... [2024-11-09 00:37:09,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f11b1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:09, skipping insertion in model container [2024-11-09 00:37:09,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:37:09" (1/1) ... [2024-11-09 00:37:09,517 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:37:10,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:10,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:37:10,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:37:10,863 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:37:10,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10 WrapperNode [2024-11-09 00:37:10,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:37:10,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:10,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:37:10,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:37:10,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,941 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-09 00:37:10,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:37:10,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:37:10,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:37:10,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:37:10,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:37:10,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:37:10,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:37:10,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:37:10,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:37:10" (1/1) ... [2024-11-09 00:37:10,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:37:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:37:11,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:37:11,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:37:11,065 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:37:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:37:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:37:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:37:11,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:37:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:37:11,250 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:37:11,253 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:37:11,436 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:37:11,437 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:37:11,484 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:37:11,484 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:37:11,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:11 BoogieIcfgContainer [2024-11-09 00:37:11,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:37:11,485 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:37:11,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:37:11,496 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:37:11,497 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:11" (1/1) ... [2024-11-09 00:37:11,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:37:11,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-09 00:37:11,566 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-09 00:37:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:37:11,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:11,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:11,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:11,574 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:11,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:37:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:11,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:37:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:37:11,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 00:37:11,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:37:11,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:37:11,845 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:37:11,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:37:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:37:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 29 transitions. [2024-11-09 00:37:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-09 00:37:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:37:11,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:37:11,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:37:11,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:37:11,890 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:37:11,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:37:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:12,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:37:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:12,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:37:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:37:12,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:37:12,315 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:37:12,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:37:12 ImpRootNode [2024-11-09 00:37:12,356 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:37:12,357 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:37:12,358 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:37:12,358 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:37:12,358 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:37:11" (3/4) ... [2024-11-09 00:37:12,361 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:37:12,362 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:37:12,364 INFO L158 Benchmark]: Toolchain (without parser) took 2921.43ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 46.2MB in the beginning and 47.4MB in the end (delta: -1.2MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-09 00:37:12,365 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 91.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:37:12,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.35ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 46.0MB in the beginning and 45.0MB in the end (delta: 1.1MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2024-11-09 00:37:12,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.07ms. Allocated memory is still 100.7MB. Free memory was 45.0MB in the beginning and 70.5MB in the end (delta: -25.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-11-09 00:37:12,368 INFO L158 Benchmark]: Boogie Preprocessor took 32.95ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:37:12,369 INFO L158 Benchmark]: RCFGBuilder took 508.68ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 49.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:37:12,370 INFO L158 Benchmark]: CodeCheck took 870.64ms. Allocated memory is still 100.7MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-09 00:37:12,371 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 100.7MB. Free memory was 47.9MB in the beginning and 47.4MB in the end (delta: 514.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:37:12,376 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, 25 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, 33 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 21 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 44 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: 1576]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1588. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1588] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1588] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1589] CALL CWE191_Integer_Underflow__int_fgets_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] case 6: [L1559] data = atoi(inputBuffer) [L1573] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 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 73.4MB. Free memory was 49.2MB in the beginning and 49.1MB in the end (delta: 91.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.35ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 46.0MB in the beginning and 45.0MB in the end (delta: 1.1MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.07ms. Allocated memory is still 100.7MB. Free memory was 45.0MB in the beginning and 70.5MB in the end (delta: -25.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.95ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.68ms. Allocated memory is still 100.7MB. Free memory was 68.4MB in the beginning and 49.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 870.64ms. Allocated memory is still 100.7MB. Free memory was 49.5MB in the beginning and 47.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 100.7MB. Free memory was 47.9MB in the beginning and 47.4MB in the end (delta: 514.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:37:12,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8186c5dd-3a91-4392-9567-dcd694653f2e/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample