./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b --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 36b84665bd2b72e500959c1f8e500bb8e4874dc7126c5d8b477751820c4a38d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:43:53,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:43:53,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:43:53,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:43:53,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:43:53,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:43:53,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:43:53,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:43:53,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:43:53,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:43:53,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:43:53,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:43:53,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:53,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:43:53,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:43:53,255 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:43:53,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:43:53,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b 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 -> 36b84665bd2b72e500959c1f8e500bb8e4874dc7126c5d8b477751820c4a38d3 [2024-12-06 00:43:53,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:43:53,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:43:53,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:43:53,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:43:53,490 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:43:53,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_22_bad.i [2024-12-06 00:43:56,100 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/dd7fba328/a6b080d44d2548a38fb58bd6789b1c18/FLAGb29aad8db [2024-12-06 00:43:56,399 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:43:56,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_22_bad.i [2024-12-06 00:43:56,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/dd7fba328/a6b080d44d2548a38fb58bd6789b1c18/FLAGb29aad8db [2024-12-06 00:43:56,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/dd7fba328/a6b080d44d2548a38fb58bd6789b1c18 [2024-12-06 00:43:56,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:43:56,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:43:56,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:56,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:43:56,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:43:56,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:56,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3beef694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:56, skipping insertion in model container [2024-12-06 00:43:56,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:43:56" (1/1) ... [2024-12-06 00:43:56,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:43:57,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:57,366 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:43:57,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:43:57,533 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:43:57,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57 WrapperNode [2024-12-06 00:43:57,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:43:57,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:57,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:43:57,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:43:57,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,573 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-12-06 00:43:57,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:43:57,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:43:57,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:43:57,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:43:57,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,585 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:43:57,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:43:57,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:43:57,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:43:57,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:43:57,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:43:57,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:43:57,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:43:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:43:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:43:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:43:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:43:57,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:43:57,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:43:57,743 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:43:57,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:43:57,831 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 00:43:57,831 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:43:57,859 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:43:57,859 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:43:57,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:57 BoogieIcfgContainer [2024-12-06 00:43:57,859 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:43:57,860 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:43:57,860 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:43:57,869 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:43:57,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:57" (1/1) ... [2024-12-06 00:43:57,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:43:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 00:43:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 00:43:57,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:43:57,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:43:58,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:43:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 00:43:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 00:43:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:43:58,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:58,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:43:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:58,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:43:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:58,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:58,381 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:43:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:43:58,406 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:43:58,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:43:58 ImpRootNode [2024-12-06 00:43:58,427 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:43:58,427 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:43:58,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:43:58,428 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:43:58,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:57" (3/4) ... [2024-12-06 00:43:58,430 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:43:58,430 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:43:58,431 INFO L158 Benchmark]: Toolchain (without parser) took 1746.33ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 68.4MB in the end (delta: 20.8MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-12-06 00:43:58,431 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:58,432 INFO L158 Benchmark]: CACSL2BoogieTranslator took 848.77ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 71.3MB in the end (delta: 18.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-12-06 00:43:58,432 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.48ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 68.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:58,432 INFO L158 Benchmark]: Boogie Preprocessor took 17.47ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 67.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:58,433 INFO L158 Benchmark]: RCFGBuilder took 267.42ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 54.0MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:43:58,433 INFO L158 Benchmark]: CodeCheck took 567.08ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 68.5MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:58,433 INFO L158 Benchmark]: Witness Printer took 2.89ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:43:58,436 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 17 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1582]: 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 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); [L1548] int CWE190_Integer_Overflow__int_fgets_add_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=0, 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 [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=0, 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_add_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CWE190_Integer_Overflow__int_fgets_add_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_add_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_add_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=1, 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] [L1582] data + 1 VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=1, 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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 848.77ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 71.3MB in the end (delta: 18.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.48ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 68.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.47ms. Allocated memory is still 117.4MB. Free memory was 68.8MB in the beginning and 67.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 267.42ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 54.0MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 567.08ms. Allocated memory is still 117.4MB. Free memory was 53.5MB in the beginning and 68.5MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.89ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 68.4MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:43:58,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b --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 36b84665bd2b72e500959c1f8e500bb8e4874dc7126c5d8b477751820c4a38d3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:44:00,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:44:00,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:44:00,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:44:00,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:44:00,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:44:00,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:44:00,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:44:00,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:44:00,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:44:00,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:44:00,452 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:44:00,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:44:00,452 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:44:00,452 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:44:00,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:44:00,452 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:00,452 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:44:00,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:44:00,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:00,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:44:00,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:44:00,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:44:00,453 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:44:00,453 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:00,453 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:44:00,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b 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 -> 36b84665bd2b72e500959c1f8e500bb8e4874dc7126c5d8b477751820c4a38d3 [2024-12-06 00:44:00,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:44:00,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:44:00,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:44:00,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:44:00,690 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:44:00,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_22_bad.i [2024-12-06 00:44:03,371 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/bb0ff9cae/83a2f90fb055486e9a45d98e2591950a/FLAGf2473647a [2024-12-06 00:44:03,647 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:44:03,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_22_bad.i [2024-12-06 00:44:03,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/bb0ff9cae/83a2f90fb055486e9a45d98e2591950a/FLAGf2473647a [2024-12-06 00:44:03,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/data/bb0ff9cae/83a2f90fb055486e9a45d98e2591950a [2024-12-06 00:44:03,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:44:03,685 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:44:03,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:03,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:44:03,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:44:03,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:03" (1/1) ... [2024-12-06 00:44:03,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a7390cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:03, skipping insertion in model container [2024-12-06 00:44:03,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:44:03" (1/1) ... [2024-12-06 00:44:03,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:44:04,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:04,344 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:44:04,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:44:04,515 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:44:04,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04 WrapperNode [2024-12-06 00:44:04,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:44:04,516 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:04,516 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:44:04,516 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:44:04,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,553 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-12-06 00:44:04,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:44:04,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:44:04,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:44:04,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:44:04,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,574 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:44:04,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:44:04,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:44:04,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:44:04,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:44:04,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:44:04,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:44:04,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:44:04,636 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:44:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:44:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:44:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:44:04,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:44:04,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:44:04,755 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:44:04,756 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:44:04,865 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-06 00:44:04,865 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:44:04,898 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:44:04,898 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:44:04,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:04 BoogieIcfgContainer [2024-12-06 00:44:04,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:44:04,899 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:44:04,899 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:44:04,906 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:44:04,906 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:04" (1/1) ... [2024-12-06 00:44:04,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:44:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 00:44:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 00:44:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:44:04,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:04,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:04,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:04,954 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:04,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:44:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:05,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:44:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:05,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 00:44:05,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:44:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:44:05,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:44:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:44:05,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 00:44:05,155 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 00:44:05,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:44:05,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:44:05,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:44:05,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:44:05,158 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:44:05,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:44:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:05,289 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:44:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:05,387 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:44:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:44:05,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:44:05,421 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:44:05,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:44:05 ImpRootNode [2024-12-06 00:44:05,445 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:44:05,446 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:44:05,446 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:44:05,446 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:44:05,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:44:04" (3/4) ... [2024-12-06 00:44:05,449 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:44:05,450 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:44:05,450 INFO L158 Benchmark]: Toolchain (without parser) took 1765.70ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 41.2MB in the end (delta: 24.7MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-12-06 00:44:05,451 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:05,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 829.86ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 60.6MB in the end (delta: 5.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-12-06 00:44:05,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.01ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 57.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:05,452 INFO L158 Benchmark]: Boogie Preprocessor took 25.85ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:05,452 INFO L158 Benchmark]: RCFGBuilder took 318.19ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 39.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:44:05,453 INFO L158 Benchmark]: CodeCheck took 546.18ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 41.3MB in the end (delta: -1.5MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2024-12-06 00:44:05,453 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:44:05,455 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 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, 13 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 66 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, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1582]: 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 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); [L1548] int CWE190_Integer_Overflow__int_fgets_add_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=0, 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 [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=0, 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_add_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CWE190_Integer_Overflow__int_fgets_add_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_add_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_add_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=1, 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] [L1582] data + 1 VAL [CWE190_Integer_Overflow__int_fgets_add_22_badGlobal=1, 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 0.27ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 829.86ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 60.6MB in the end (delta: 5.2MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.01ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 57.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.85ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.19ms. Allocated memory is still 92.3MB. Free memory was 56.0MB in the beginning and 39.8MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 546.18ms. Allocated memory is still 92.3MB. Free memory was 39.8MB in the beginning and 41.3MB in the end (delta: -1.5MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:44:05,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c218ae9d-a28f-454a-9b92-7b8ee150ea1b/bin/ukojak-verify-CZk0znPC7b/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