./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_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_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/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_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/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_1b73b86d-5f86-4863-9da9-5db4a4270625/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 fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:29:39,353 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:29:39,449 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:29:39,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:29:39,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:29:39,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:29:39,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:29:39,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:29:39,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:29:39,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:29:39,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:29:39,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:29:39,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:29:39,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:29:39,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:29:39,499 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:29:39,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:29:39,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:29:39,504 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:29:39,505 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:29:39,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:29:39,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:29:39,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:29:39,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:29:39,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:29:39,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:29:39,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:39,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:29:39,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:29:39,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:29:39,508 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:29:39,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:29:39,510 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_1b73b86d-5f86-4863-9da9-5db4a4270625/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 [2024-11-09 00:29:39,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:29:39,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:29:39,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:29:39,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:29:39,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:29:39,850 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i Unable to find full path for "g++" [2024-11-09 00:29:41,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:29:42,304 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:29:42,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i [2024-11-09 00:29:42,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data/c4d681b3d/50854f282f624ade88bd82de1760dabb/FLAGd6a70e256 [2024-11-09 00:29:42,358 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data/c4d681b3d/50854f282f624ade88bd82de1760dabb [2024-11-09 00:29:42,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:29:42,365 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:29:42,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:42,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:29:42,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:29:42,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d3230e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:42, skipping insertion in model container [2024-11-09 00:29:42,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:42" (1/1) ... [2024-11-09 00:29:42,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:29:43,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:43,612 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:29:43,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:43,900 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:29:43,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43 WrapperNode [2024-11-09 00:29:43,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:43,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:43,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:29:43,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:29:43,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:43,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:43,975 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-09 00:29:43,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:43,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:29:43,977 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:29:43,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:29:43,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:43,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:43,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:43,995 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:43,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:44,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:44,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:44,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:44,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:29:44,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:29:44,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:29:44,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:29:44,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:43" (1/1) ... [2024-11-09 00:29:44,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:44,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:29:44,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:29:44,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:29:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:29:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:29:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:29:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:29:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:29:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:29:44,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:29:44,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:29:44,387 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 00:29:44,387 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:29:44,452 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:29:44,453 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:29:44,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:44 BoogieIcfgContainer [2024-11-09 00:29:44,453 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:29:44,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:29:44,454 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:29:44,465 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:29:44,465 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:44" (1/1) ... [2024-11-09 00:29:44,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:29:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:44,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:29:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:29:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:29:44,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:44,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:45,017 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 00:29:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:29:45,111 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:29:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:29:45,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:45,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:29:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:45,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:45,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:45,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:45,301 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:29:45,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:29:45 ImpRootNode [2024-11-09 00:29:45,333 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:29:45,334 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:29:45,334 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:29:45,334 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:29:45,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:44" (3/4) ... [2024-11-09 00:29:45,338 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:29:45,339 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:29:45,340 INFO L158 Benchmark]: Toolchain (without parser) took 2974.71ms. Allocated memory is still 157.3MB. Free memory was 122.7MB in the beginning and 63.5MB in the end (delta: 59.2MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-11-09 00:29:45,340 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:29:45,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1534.96ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 120.1MB in the end (delta: 2.2MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2024-11-09 00:29:45,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.54ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 117.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:45,345 INFO L158 Benchmark]: Boogie Preprocessor took 40.21ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 115.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:45,346 INFO L158 Benchmark]: RCFGBuilder took 435.84ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 100.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:29:45,347 INFO L158 Benchmark]: CodeCheck took 878.81ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 64.2MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:29:45,348 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 157.3MB. Free memory was 64.2MB in the beginning and 63.5MB in the end (delta: 723.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:45,353 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, 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 115.3MB. Free memory is still 71.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1534.96ms. Allocated memory is still 157.3MB. Free memory was 122.3MB in the beginning and 120.1MB in the end (delta: 2.2MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.54ms. Allocated memory is still 157.3MB. Free memory was 120.1MB in the beginning and 117.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.21ms. Allocated memory is still 157.3MB. Free memory was 117.3MB in the beginning and 115.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.84ms. Allocated memory is still 157.3MB. Free memory was 115.9MB in the beginning and 100.5MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 878.81ms. Allocated memory is still 157.3MB. Free memory was 100.5MB in the beginning and 64.2MB in the end (delta: 36.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 157.3MB. Free memory was 64.2MB in the beginning and 63.5MB in the end (delta: 723.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:29:45,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/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_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/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_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/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_1b73b86d-5f86-4863-9da9-5db4a4270625/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 fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:29:47,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:29:47,945 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:29:47,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:29:47,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:29:47,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:29:47,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:29:47,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:29:47,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:29:47,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:29:47,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:29:47,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:29:47,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:29:47,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:29:47,997 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:29:47,997 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:29:47,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:29:47,998 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:29:47,998 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:29:47,998 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:29:48,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:29:48,003 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:29:48,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:29:48,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:29:48,004 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:29:48,004 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:48,004 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:29:48,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:29:48,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:48,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:29:48,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:29:48,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:29:48,009 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:29:48,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:48,010 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:29:48,010 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_1b73b86d-5f86-4863-9da9-5db4a4270625/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fed22ffd278c85afc5c489c1037d11e98892b0215a701d44589e95ef4fa971f5 [2024-11-09 00:29:48,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:29:48,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:29:48,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:29:48,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:29:48,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:29:48,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i Unable to find full path for "g++" [2024-11-09 00:29:50,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:29:50,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:29:50,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_31_bad.i [2024-11-09 00:29:50,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data/92afaaaf3/188fb8c102a244a69e790807e43110e0/FLAGbb694ef4e [2024-11-09 00:29:51,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/data/92afaaaf3/188fb8c102a244a69e790807e43110e0 [2024-11-09 00:29:51,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:29:51,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:29:51,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:51,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:29:51,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:29:51,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1196785d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:51, skipping insertion in model container [2024-11-09 00:29:51,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:29:51" (1/1) ... [2024-11-09 00:29:51,253 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:29:52,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:52,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:29:52,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:29:52,907 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:29:52,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52 WrapperNode [2024-11-09 00:29:52,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:29:52,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:52,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:29:52,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:29:52,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:52,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:52,978 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-09 00:29:52,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:29:52,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:29:52,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:29:52,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:29:52,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:52,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:52,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:52,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:53,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:53,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:53,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:53,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:53,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:29:53,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:29:53,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:29:53,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:29:53,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:29:52" (1/1) ... [2024-11-09 00:29:53,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:29:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:29:53,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:29:53,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:29:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:29:53,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:29:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:29:53,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:29:53,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:29:53,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:29:53,241 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:29:53,243 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:29:53,464 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:29:53,464 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:29:53,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:29:53,535 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:29:53,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:53 BoogieIcfgContainer [2024-11-09 00:29:53,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:29:53,537 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:29:53,537 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:29:53,548 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:29:53,548 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:53" (1/1) ... [2024-11-09 00:29:53,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:29:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:29:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:29:53,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:29:53,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:53,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:53,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:53,643 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:53,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:29:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:53,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:29:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:29:53,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:29:53,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:29:53,881 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 00:29:53,884 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:29:53,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:29:53,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:29:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 00:29:53,915 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 00:29:53,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:29:53,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:29:53,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:29:53,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:29:53,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:29:53,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:29:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:54,129 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:54,291 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:29:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:29:54,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:29:54,343 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:29:54,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:29:54 ImpRootNode [2024-11-09 00:29:54,378 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:29:54,379 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:29:54,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:29:54,380 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:29:54,380 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:29:53" (3/4) ... [2024-11-09 00:29:54,383 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:29:54,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:29:54,386 INFO L158 Benchmark]: Toolchain (without parser) took 3228.18ms. Allocated memory was 65.0MB in the beginning and 109.1MB in the end (delta: 44.0MB). Free memory was 31.7MB in the beginning and 65.1MB in the end (delta: -33.4MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-09 00:29:54,387 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:29:54,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1749.60ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 31.5MB in the beginning and 52.4MB in the end (delta: -20.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-11-09 00:29:54,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.70ms. Allocated memory is still 86.0MB. Free memory was 52.4MB in the beginning and 49.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:29:54,390 INFO L158 Benchmark]: Boogie Preprocessor took 31.50ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:29:54,392 INFO L158 Benchmark]: RCFGBuilder took 524.68ms. Allocated memory is still 86.0MB. Free memory was 47.4MB in the beginning and 51.7MB in the end (delta: -4.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-09 00:29:54,393 INFO L158 Benchmark]: CodeCheck took 841.87ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 51.7MB in the beginning and 65.7MB in the end (delta: -14.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-09 00:29:54,393 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 65.1MB in the end (delta: 583.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:29:54,398 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1556, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_31_bad() [L1550] int data; [L1551] data = 0 [L1553] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1556] data = atoi(inputBuffer) [L1564] int dataCopy = data; [L1565] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] ++data 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 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1749.60ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 31.5MB in the beginning and 52.4MB in the end (delta: -20.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.70ms. Allocated memory is still 86.0MB. Free memory was 52.4MB in the beginning and 49.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.50ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.68ms. Allocated memory is still 86.0MB. Free memory was 47.4MB in the beginning and 51.7MB in the end (delta: -4.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 841.87ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 51.7MB in the beginning and 65.7MB in the end (delta: -14.0MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 109.1MB. Free memory was 65.7MB in the beginning and 65.1MB in the end (delta: 583.7kB). 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 00:29:54,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b73b86d-5f86-4863-9da9-5db4a4270625/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