./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_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_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/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_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/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_398b48fe-2984-4da1-9a19-b7b62a603420/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 c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:49,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:49,528 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:05:49,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:05:49,536 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:05:49,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:05:49,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:05:49,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:05:49,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:05:49,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:05:49,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:05:49,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:05:49,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:05:49,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:05:49,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:05:49,578 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:05:49,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:05:49,578 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:05:49,579 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:05:49,579 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:05:49,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:05:49,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:05:49,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:05:49,581 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:05:49,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:05:49,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:05:49,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:49,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:05:49,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:05:49,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:05:49,583 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:05:49,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:05:49,584 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_398b48fe-2984-4da1-9a19-b7b62a603420/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 [2024-11-08 22:05:49,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:05:49,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:05:49,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:05:49,963 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:05:49,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:05:49,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i Unable to find full path for "g++" [2024-11-08 22:05:52,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:05:52,527 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:05:52,531 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i [2024-11-08 22:05:52,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data/39e6aeed6/f101b92212c34cc0bdfd1950209328cb/FLAG3314bde11 [2024-11-08 22:05:52,682 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data/39e6aeed6/f101b92212c34cc0bdfd1950209328cb [2024-11-08 22:05:52,689 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:05:52,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:05:52,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:52,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:05:52,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:05:52,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:52" (1/1) ... [2024-11-08 22:05:52,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e88e5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:52, skipping insertion in model container [2024-11-08 22:05:52,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:05:52" (1/1) ... [2024-11-08 22:05:52,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:05:53,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:53,990 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:05:54,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:05:54,332 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:05:54,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54 WrapperNode [2024-11-08 22:05:54,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:05:54,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:54,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:05:54,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:05:54,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,416 INFO L138 Inliner]: procedures = 499, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76 [2024-11-08 22:05:54,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:05:54,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:05:54,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:05:54,421 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:05:54,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:05:54,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:05:54,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:05:54,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:05:54,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:05:54" (1/1) ... [2024-11-08 22:05:54,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:05:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:05:54,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:05:54,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:05:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:05:54,598 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:05:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:05:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:05:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:05:54,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:05:54,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:05:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:05:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:05:54,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:05:54,831 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:05:54,833 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:05:55,014 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 22:05:55,014 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:05:55,098 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:05:55,098 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:05:55,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:55 BoogieIcfgContainer [2024-11-08 22:05:55,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:05:55,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:05:55,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:05:55,119 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:05:55,119 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:55" (1/1) ... [2024-11-08 22:05:55,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:05:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:05:55,248 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:05:55,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:05:55,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:55,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:05:56,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:05:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:05:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-08 22:05:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-08 22:05:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:05:56,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:05:56,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:05:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:56,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:56,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:05:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:05:56,457 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:05:56,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:05:56 ImpRootNode [2024-11-08 22:05:56,516 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:05:56,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:05:56,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:05:56,517 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:05:56,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:05:55" (3/4) ... [2024-11-08 22:05:56,520 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:05:56,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:05:56,522 INFO L158 Benchmark]: Toolchain (without parser) took 3830.66ms. Allocated memory is still 161.5MB. Free memory was 131.3MB in the beginning and 96.8MB in the end (delta: 34.5MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2024-11-08 22:05:56,522 INFO L158 Benchmark]: CDTParser took 2.07ms. Allocated memory is still 121.6MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:56,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1625.93ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 120.6MB in the end (delta: 10.2MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:56,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.16ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 117.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:56,524 INFO L158 Benchmark]: Boogie Preprocessor took 54.77ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:05:56,525 INFO L158 Benchmark]: RCFGBuilder took 623.43ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 98.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:56,525 INFO L158 Benchmark]: CodeCheck took 1416.60ms. Allocated memory is still 161.5MB. Free memory was 98.6MB in the beginning and 96.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-11-08 22:05:56,526 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 161.5MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:05:56,529 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 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: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1571, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={978:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] ++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 2.07ms. Allocated memory is still 121.6MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1625.93ms. Allocated memory is still 161.5MB. Free memory was 130.8MB in the beginning and 120.6MB in the end (delta: 10.2MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.16ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 117.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.77ms. Allocated memory is still 161.5MB. Free memory was 117.4MB in the beginning and 115.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 623.43ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 98.6MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1416.60ms. Allocated memory is still 161.5MB. Free memory was 98.6MB in the beginning and 96.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 161.5MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:05:56,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/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_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/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_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/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_398b48fe-2984-4da1-9a19-b7b62a603420/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 c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:05:59,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:05:59,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:06:00,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:06:00,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:06:00,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:06:00,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:06:00,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:06:00,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:06:00,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:06:00,045 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:06:00,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:06:00,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:06:00,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:06:00,049 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:06:00,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:06:00,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:06:00,051 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:06:00,052 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:06:00,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:06:00,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:06:00,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:06:00,054 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:06:00,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:06:00,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:06:00,055 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:00,055 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:06:00,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:06:00,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:00,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:06:00,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:06:00,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:06:00,058 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:06:00,059 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:00,059 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:06:00,059 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_398b48fe-2984-4da1-9a19-b7b62a603420/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c112bc47c4fe165ed29b3909fdf529ee35660ffae37e96ad97495ac6fe28a480 [2024-11-08 22:06:00,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:06:00,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:06:00,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:06:00,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:06:00,583 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:06:00,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i Unable to find full path for "g++" [2024-11-08 22:06:02,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:03,362 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:03,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_66_bad.i [2024-11-08 22:06:03,392 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data/b87063558/24fc7eef3b1149af97913eec6a0b3641/FLAG4ce45c7a2 [2024-11-08 22:06:03,463 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/data/b87063558/24fc7eef3b1149af97913eec6a0b3641 [2024-11-08 22:06:03,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:03,467 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:03,468 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:03,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:03,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:03,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:03" (1/1) ... [2024-11-08 22:06:03,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b9091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:03, skipping insertion in model container [2024-11-08 22:06:03,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:03" (1/1) ... [2024-11-08 22:06:03,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:04,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:04,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:05,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:05,166 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:05,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05 WrapperNode [2024-11-08 22:06:05,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:05,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:05,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:05,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:05,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,239 INFO L138 Inliner]: procedures = 504, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2024-11-08 22:06:05,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:05,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:05,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:05,241 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:05,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,289 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:05,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:05,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:05,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:05,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:05,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:05,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:05,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:06:05,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:06:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:06:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:06:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:06:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:06:05,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:06:05,587 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:05,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:05,807 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:05,808 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:05,878 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:05,878 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:06:05,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:05 BoogieIcfgContainer [2024-11-08 22:06:05,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:05,879 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:05,879 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:05,891 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:05,891 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:05" (1/1) ... [2024-11-08 22:06:05,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 22:06:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 22:06:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 22:06:05,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:05,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:05,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:05,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:06,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:06:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:06,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:06:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:06,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:06:06,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:06:06,316 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-08 22:06:06,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:06:06,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:06,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 22:06:06,349 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 22:06:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:06:06,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:06,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:06:06,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:06:06,354 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:06:06,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:06:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:06,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:06,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:06:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:06:06,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:06:06,959 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:06:06,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:06:06 ImpRootNode [2024-11-08 22:06:06,993 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:06:06,994 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:06:06,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:06:06,995 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:06:06,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:05" (3/4) ... [2024-11-08 22:06:06,998 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:06:06,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:06:07,000 INFO L158 Benchmark]: Toolchain (without parser) took 3533.46ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.5MB in the beginning and 36.8MB in the end (delta: 13.7MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-08 22:06:07,001 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:07,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1698.43ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.2MB in the beginning and 70.5MB in the end (delta: -20.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:07,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.21ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 67.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:06:07,003 INFO L158 Benchmark]: Boogie Preprocessor took 48.94ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:06:07,004 INFO L158 Benchmark]: RCFGBuilder took 588.72ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 46.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:06:07,005 INFO L158 Benchmark]: CodeCheck took 1114.40ms. Allocated memory is still 100.7MB. Free memory was 46.0MB in the beginning and 37.4MB in the end (delta: 8.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-11-08 22:06:07,005 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 100.7MB. Free memory was 37.4MB in the beginning and 36.8MB in the end (delta: 643.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:06:07,009 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 72 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: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1571, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] ++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 0.40ms. Allocated memory is still 77.6MB. Free memory is still 53.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1698.43ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 50.2MB in the beginning and 70.5MB in the end (delta: -20.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.21ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 67.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.94ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 65.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.72ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 46.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1114.40ms. Allocated memory is still 100.7MB. Free memory was 46.0MB in the beginning and 37.4MB in the end (delta: 8.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 100.7MB. Free memory was 37.4MB in the beginning and 36.8MB in the end (delta: 643.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:06:07,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_398b48fe-2984-4da1-9a19-b7b62a603420/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