./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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 c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:22:34,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:22:34,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 05:22:34,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:22:34,179 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:22:34,197 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:22:34,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:22:34,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:22:34,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:22:34,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:22:34,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:22:34,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:22:34,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:22:34,199 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:22:34,199 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:22:34,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:22:34,199 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:22:34,200 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:22:34,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:22:34,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:22:34,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:22:34,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:22:34,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:22:34,201 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:22:34,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:22:34,201 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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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 -> c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 [2024-12-06 05:22:34,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:22:34,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:22:34,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:22:34,427 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:22:34,428 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:22:34,429 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2024-12-06 05:22:37,057 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/6fef64b00/4769dca2fbfa48f7b55168d9499916c3/FLAGa7b035db1 [2024-12-06 05:22:37,350 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:22:37,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2024-12-06 05:22:37,369 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/6fef64b00/4769dca2fbfa48f7b55168d9499916c3/FLAGa7b035db1 [2024-12-06 05:22:37,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/6fef64b00/4769dca2fbfa48f7b55168d9499916c3 [2024-12-06 05:22:37,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:22:37,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:22:37,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:22:37,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:22:37,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:22:37,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:22:37" (1/1) ... [2024-12-06 05:22:37,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f24274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:37, skipping insertion in model container [2024-12-06 05:22:37,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:22:37" (1/1) ... [2024-12-06 05:22:37,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:22:38,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:22:38,348 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:22:38,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:22:38,527 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:22:38,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38 WrapperNode [2024-12-06 05:22:38,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:22:38,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:22:38,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:22:38,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:22:38,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,566 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-12-06 05:22:38,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:22:38,567 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:22:38,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:22:38,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:22:38,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,577 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,582 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:22:38,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:22:38,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:22:38,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:22:38,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:22:38,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:22:38,620 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:22:38,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:22:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:22:38,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 05:22:38,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:22:38,753 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:22:38,755 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:22:38,863 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 05:22:38,863 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:22:38,893 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:22:38,893 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:22:38,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:22:38 BoogieIcfgContainer [2024-12-06 05:22:38,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:22:38,894 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:22:38,894 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:22:38,902 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:22:38,902 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:22:38" (1/1) ... [2024-12-06 05:22:38,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:22:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 05:22:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 05:22:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:22:38,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:38,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:22:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:39,176 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 05:22:39,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:39,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 05:22:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 05:22:39,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:22:39,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:39,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:22:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:39,251 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:22:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:39,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:22:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:39,374 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:22:39,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:22:39 ImpRootNode [2024-12-06 05:22:39,398 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:22:39,399 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:22:39,399 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:22:39,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:22:39,399 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:22:38" (3/4) ... [2024-12-06 05:22:39,401 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:22:39,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:22:39,403 INFO L158 Benchmark]: Toolchain (without parser) took 1792.33ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 51.6MB in the end (delta: 63.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 05:22:39,403 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:22:39,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 915.71ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 106.6MB in the end (delta: 8.1MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-12-06 05:22:39,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:22:39,404 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:22:39,405 INFO L158 Benchmark]: RCFGBuilder took 303.99ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 88.1MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:22:39,405 INFO L158 Benchmark]: CodeCheck took 504.08ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 51.6MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 05:22:39,405 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 142.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:22:39,407 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, 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={24774:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 915.71ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 106.6MB in the end (delta: 8.1MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 103.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.99ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 88.1MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 504.08ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 51.6MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 142.6MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 05:22:39,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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 c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:22:41,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:22:41,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 05:22:41,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:22:41,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:22:41,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:22:41,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:22:41,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:22:41,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 05:22:41,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:22:41,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:22:41,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:22:41,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:22:41,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:22:41,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:22:41,506 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:41,506 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:22:41,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:22:41,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:22:41,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:22:41,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:22:41,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:22:41,507 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:22:41,507 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:41,507 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:22:41,507 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_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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 -> c01bf64283f24db5109bd67f2495754004ac7861f5a753a7a5eef8291688cf79 [2024-12-06 05:22:41,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:22:41,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:22:41,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:22:41,738 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:22:41,739 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:22:41,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2024-12-06 05:22:44,393 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/6dd081a4d/4a5530679c204fb6aae5d08ca6760af2/FLAG367718812 [2024-12-06 05:22:44,712 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:22:44,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_63_bad.i [2024-12-06 05:22:44,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/6dd081a4d/4a5530679c204fb6aae5d08ca6760af2/FLAG367718812 [2024-12-06 05:22:44,943 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/data/6dd081a4d/4a5530679c204fb6aae5d08ca6760af2 [2024-12-06 05:22:44,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:22:44,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:22:44,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:22:44,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:22:44,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:22:44,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:22:44" (1/1) ... [2024-12-06 05:22:44,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7553cfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:44, skipping insertion in model container [2024-12-06 05:22:44,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:22:44" (1/1) ... [2024-12-06 05:22:44,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:22:45,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:22:45,620 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:22:45,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:22:45,817 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:22:45,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45 WrapperNode [2024-12-06 05:22:45,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:22:45,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:22:45,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:22:45,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:22:45,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,859 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-12-06 05:22:45,859 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:22:45,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:22:45,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:22:45,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:22:45,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,879 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,880 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:22:45,888 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:22:45,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:22:45,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:22:45,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:22:45" (1/1) ... [2024-12-06 05:22:45,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:22:45,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:22:45,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:22:45,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:22:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 05:22:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 05:22:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:22:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:22:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:22:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:22:45,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:22:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:22:45,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:22:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 05:22:46,077 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:22:46,079 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:22:46,210 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 05:22:46,211 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:22:46,243 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:22:46,243 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 05:22:46,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:22:46 BoogieIcfgContainer [2024-12-06 05:22:46,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:22:46,244 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:22:46,244 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:22:46,253 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:22:46,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:22:46" (1/1) ... [2024-12-06 05:22:46,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:22:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:46,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 05:22:46,299 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 05:22:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:22:46,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:46,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:46,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:46,304 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:46,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:22:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:46,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:22:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:22:46,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 05:22:46,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:22:46,576 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 05:22:46,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:22:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:22:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 05:22:46,611 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 05:22:46,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 05:22:46,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:22:46,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:22:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:22:46,613 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:22:46,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:22:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:46,810 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:22:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:46,991 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:22:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:22:47,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:22:47,054 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 05:22:47,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:22:47 ImpRootNode [2024-12-06 05:22:47,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:22:47,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:22:47,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:22:47,080 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:22:47,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:22:46" (3/4) ... [2024-12-06 05:22:47,083 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:22:47,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:22:47,085 INFO L158 Benchmark]: Toolchain (without parser) took 2139.27ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 33.9MB in the end (delta: 32.6MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-12-06 05:22:47,085 INFO L158 Benchmark]: CDTParser took 0.28ms. 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 05:22:47,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.69ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.8MB in the end (delta: 3.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 05:22:47,086 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.60ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 59.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:22:47,086 INFO L158 Benchmark]: Boogie Preprocessor took 28.11ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:22:47,086 INFO L158 Benchmark]: RCFGBuilder took 355.06ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 41.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:22:47,087 INFO L158 Benchmark]: CodeCheck took 835.50ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 33.9MB in the end (delta: 7.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-06 05:22:47,087 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 92.3MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:22:47,089 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.69ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.8MB in the end (delta: 3.5MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.60ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 59.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.11ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.06ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 41.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 835.50ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 33.9MB in the end (delta: 7.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 92.3MB. Free memory was 33.9MB in the beginning and 33.9MB 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 05:22:47,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_444f78cd-541e-4e4a-a860-2efa2d2e6fb4/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