./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:12:12,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:12:12,303 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:12:12,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:12:12,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:12:12,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:12:12,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:12:12,337 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:12:12,337 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:12:12,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:12:12,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:12:12,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:12:12,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:12:12,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:12:12,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:12:12,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:12:12,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:12:12,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:12:12,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:12:12,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:12:12,339 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:12:12,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:12:12,339 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:12:12,339 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:12:12,339 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:12:12,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:12:12,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:12:12,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:12:12,340 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:12:12,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:12:12,340 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:12:12,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:12:12,340 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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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 -> 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe [2024-12-06 02:12:12,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:12:12,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:12:12,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:12:12,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:12:12,655 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:12:12,657 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2024-12-06 02:12:15,895 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/94ba0ed07/278b5f2b8c4c4f60b21cba30a885ae98/FLAGc6ff999ba [2024-12-06 02:12:16,234 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:12:16,235 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2024-12-06 02:12:16,258 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/94ba0ed07/278b5f2b8c4c4f60b21cba30a885ae98/FLAGc6ff999ba [2024-12-06 02:12:16,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/94ba0ed07/278b5f2b8c4c4f60b21cba30a885ae98 [2024-12-06 02:12:16,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:12:16,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:12:16,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:12:16,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:12:16,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:12:16,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:16" (1/1) ... [2024-12-06 02:12:16,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418fbd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:16, skipping insertion in model container [2024-12-06 02:12:16,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:16" (1/1) ... [2024-12-06 02:12:16,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:12:17,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:12:17,232 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:12:17,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:12:17,477 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:12:17,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17 WrapperNode [2024-12-06 02:12:17,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:12:17,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:12:17,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:12:17,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:12:17,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,522 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-12-06 02:12:17,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:12:17,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:12:17,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:12:17,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:12:17,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,532 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,537 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:12:17,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:12:17,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:12:17,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:12:17,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:12:17,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:12:17,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:12:17,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:12:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:12:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:12:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:12:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:12:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:12:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:12:17,745 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:12:17,747 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:12:17,877 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 02:12:17,877 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:12:17,914 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:12:17,915 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:12:17,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:17 BoogieIcfgContainer [2024-12-06 02:12:17,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:12:17,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:12:17,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:12:17,928 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:12:17,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:17" (1/1) ... [2024-12-06 02:12:17,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:12:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 02:12:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 02:12:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:12:18,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:18,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:12:18,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:18,284 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 02:12:18,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:18,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 02:12:18,324 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 02:12:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:12:18,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:18,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:12:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:18,366 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:12:18,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:18,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:12:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:18,492 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:12:18,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:12:18 ImpRootNode [2024-12-06 02:12:18,522 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:12:18,523 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:12:18,523 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:12:18,524 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:12:18,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:17" (3/4) ... [2024-12-06 02:12:18,527 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:12:18,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:12:18,529 INFO L158 Benchmark]: Toolchain (without parser) took 2249.67ms. Allocated memory is still 142.6MB. Free memory was 112.0MB in the beginning and 62.1MB in the end (delta: 49.9MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-12-06 02:12:18,529 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:18,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1197.66ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 110.5MB in the end (delta: 1.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. [2024-12-06 02:12:18,530 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.87ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 107.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:18,531 INFO L158 Benchmark]: Boogie Preprocessor took 20.05ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.9MB in the end (delta: 597.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:18,531 INFO L158 Benchmark]: RCFGBuilder took 372.32ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 92.2MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:12:18,532 INFO L158 Benchmark]: CodeCheck took 606.41ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 62.1MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:12:18,532 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 142.6MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:18,535 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 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_multiply_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, 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] CALL funcPtr(data) [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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1197.66ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 110.5MB in the end (delta: 1.4MB). Peak memory consumption was 74.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.87ms. Allocated memory is still 142.6MB. Free memory was 110.5MB in the beginning and 107.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.05ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 106.9MB in the end (delta: 597.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.32ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 92.2MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 606.41ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 62.1MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 142.6MB. Free memory is still 62.1MB. 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 02:12:18,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:12:21,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:12:21,104 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:12:21,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:12:21,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:12:21,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:12:21,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:12:21,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:12:21,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:12:21,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:12:21,136 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:12:21,137 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:12:21,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:12:21,137 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:12:21,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:12:21,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:12:21,137 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:12:21,137 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:12:21,138 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:21,138 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:12:21,138 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:12:21,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:12:21,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:12:21,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:12:21,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:12:21,139 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:12:21,139 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:21,139 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:12:21,139 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_8458379d-19aa-4ffa-b42d-fba4df3dff4e/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 -> 50fda4c06ece1fc582bb7604c13e06a76a5e35934a3857bc997b0fb367105afe [2024-12-06 02:12:21,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:12:21,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:12:21,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:12:21,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:12:21,438 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:12:21,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2024-12-06 02:12:24,882 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/5f88c361f/64c78a98f5ec48d6a1ad1f5646cd82c6/FLAGaaf062872 [2024-12-06 02:12:25,230 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:12:25,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_65_bad.i [2024-12-06 02:12:25,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/5f88c361f/64c78a98f5ec48d6a1ad1f5646cd82c6/FLAGaaf062872 [2024-12-06 02:12:25,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/data/5f88c361f/64c78a98f5ec48d6a1ad1f5646cd82c6 [2024-12-06 02:12:25,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:12:25,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:12:25,458 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:12:25,458 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:12:25,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:12:25,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:25" (1/1) ... [2024-12-06 02:12:25,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a41726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:25, skipping insertion in model container [2024-12-06 02:12:25,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:12:25" (1/1) ... [2024-12-06 02:12:25,510 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:12:26,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:12:26,399 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:12:26,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:12:26,661 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:12:26,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26 WrapperNode [2024-12-06 02:12:26,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:12:26,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:12:26,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:12:26,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:12:26,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,716 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 64 [2024-12-06 02:12:26,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:12:26,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:12:26,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:12:26,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:12:26,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,741 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,747 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:12:26,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:12:26,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:12:26,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:12:26,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:12:26" (1/1) ... [2024-12-06 02:12:26,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:12:26,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:12:26,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:12:26,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:12:26,821 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:12:26,821 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:12:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:12:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:12:26,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:12:26,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:12:26,964 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:12:26,966 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:12:27,115 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-06 02:12:27,115 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:12:27,152 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:12:27,152 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:12:27,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:27 BoogieIcfgContainer [2024-12-06 02:12:27,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:12:27,153 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:12:27,153 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:12:27,160 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:12:27,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:27" (1/1) ... [2024-12-06 02:12:27,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:12:27,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:27,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 02:12:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 02:12:27,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:12:27,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:27,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:27,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:12:27,207 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:12:27,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:12:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:27,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:12:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:27,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:12:27,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:27,453 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 02:12:27,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:12:27,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:27,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 02:12:27,489 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 02:12:27,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:12:27,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:27,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:27,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:12:27,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:12:27,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:12:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:27,657 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:12:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:27,786 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:12:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:12:27,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:12:27,824 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:12:27,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:12:27 ImpRootNode [2024-12-06 02:12:27,854 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:12:27,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:12:27,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:12:27,855 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:12:27,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:12:27" (3/4) ... [2024-12-06 02:12:27,859 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:12:27,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:12:27,861 INFO L158 Benchmark]: Toolchain (without parser) took 2404.75ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 41.6MB in the end (delta: 24.3MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2024-12-06 02:12:27,862 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:27,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1204.02ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 61.8MB in the end (delta: 4.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-12-06 02:12:27,863 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.77ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:27,863 INFO L158 Benchmark]: Boogie Preprocessor took 35.24ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:27,864 INFO L158 Benchmark]: RCFGBuilder took 398.77ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 40.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:12:27,865 INFO L158 Benchmark]: CodeCheck took 701.37ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 42.1MB in the end (delta: -1.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-12-06 02:12:27,865 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 41.6MB in the end (delta: 537.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:12:27,868 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 57 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 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_multiply_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_multiply_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, funcPtr={-1:0}, 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] CALL funcPtr(data) [L1577] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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 0.36ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1204.02ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 61.8MB in the end (delta: 4.0MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.77ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.24ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 57.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 398.77ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 40.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 701.37ms. Allocated memory is still 92.3MB. Free memory was 40.8MB in the beginning and 42.1MB in the end (delta: -1.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 41.6MB in the end (delta: 537.4kB). 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 02:12:27,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8458379d-19aa-4ffa-b42d-fba4df3dff4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample