./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_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_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/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_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/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_a88b532f-788b-45d1-99af-fcc5ddb62c90/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 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:15:02,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:15:02,181 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 00:15:02,186 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:15:02,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:15:02,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:15:02,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:15:02,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:15:02,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:15:02,207 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:15:02,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:15:02,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:15:02,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:15:02,208 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:15:02,208 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:15:02,209 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:15:02,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:15:02,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:02,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:15:02,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:15:02,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:15:02,209 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:15:02,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:15:02,209 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_a88b532f-788b-45d1-99af-fcc5ddb62c90/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 -> 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 [2024-12-06 00:15:02,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:15:02,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:15:02,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:15:02,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:15:02,458 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:15:02,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2024-12-06 00:15:05,083 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/7a2deef9f/298d78d95a644a3f95fe8eca6fbf38ac/FLAG898552d20 [2024-12-06 00:15:05,375 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:15:05,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2024-12-06 00:15:05,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/7a2deef9f/298d78d95a644a3f95fe8eca6fbf38ac/FLAG898552d20 [2024-12-06 00:15:05,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/7a2deef9f/298d78d95a644a3f95fe8eca6fbf38ac [2024-12-06 00:15:05,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:15:05,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:15:05,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:05,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:15:05,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:15:05,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:05" (1/1) ... [2024-12-06 00:15:05,418 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439c92fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:05, skipping insertion in model container [2024-12-06 00:15:05,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:05" (1/1) ... [2024-12-06 00:15:05,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:15:06,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:06,112 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:15:06,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:06,302 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:15:06,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06 WrapperNode [2024-12-06 00:15:06,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:06,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:06,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:15:06,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:15:06,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,355 INFO L138 Inliner]: procedures = 501, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2024-12-06 00:15:06,356 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:06,356 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:15:06,356 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:15:06,356 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:15:06,364 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,366 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,366 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,371 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:15:06,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:15:06,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:15:06,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:15:06,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:06,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:15:06,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:15:06,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:15:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:15:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:15:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:15:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:15:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:15:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:15:06,537 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:15:06,539 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:15:06,629 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 00:15:06,629 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:15:06,662 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:15:06,662 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:15:06,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:06 BoogieIcfgContainer [2024-12-06 00:15:06,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:15:06,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:15:06,663 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:15:06,672 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:15:06,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:06" (1/1) ... [2024-12-06 00:15:06,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:15:06,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:06,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 00:15:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 00:15:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:15:06,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:06,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:06,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 00:15:06,972 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 00:15:06,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:15:06,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:06,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:07,005 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:15:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:07,078 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:15:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:07,105 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:15:07,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:15:07 ImpRootNode [2024-12-06 00:15:07,125 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:15:07,125 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:15:07,125 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:15:07,126 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:15:07,126 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:06" (3/4) ... [2024-12-06 00:15:07,128 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:15:07,129 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:15:07,129 INFO L158 Benchmark]: Toolchain (without parser) took 1717.92ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 68.1MB in the end (delta: 45.4MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-12-06 00:15:07,130 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:07,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 890.50ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 54.0MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-06 00:15:07,131 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.03ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 113.0MB in the end (delta: -58.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-06 00:15:07,131 INFO L158 Benchmark]: Boogie Preprocessor took 19.68ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:07,131 INFO L158 Benchmark]: RCFGBuilder took 286.44ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 97.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:15:07,132 INFO L158 Benchmark]: CodeCheck took 461.54ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 68.1MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:15:07,132 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 142.6MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:07,134 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: 0.4s, 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: 1588]: 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_53_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=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_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_53d_badSink(data) [L1586] 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] [L1588] 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 83.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 890.50ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 54.0MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.03ms. Allocated memory is still 142.6MB. Free memory was 54.0MB in the beginning and 113.0MB in the end (delta: -58.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.68ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 286.44ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 97.7MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 461.54ms. Allocated memory is still 142.6MB. Free memory was 97.7MB in the beginning and 68.1MB in the end (delta: 29.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 142.6MB. Free memory is still 68.1MB. 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 00:15:07,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/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_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/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_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/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_a88b532f-788b-45d1-99af-fcc5ddb62c90/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 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:15:09,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:15:09,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 00:15:09,168 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:15:09,169 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:15:09,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:15:09,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:15:09,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:15:09,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:15:09,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 00:15:09,171 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:15:09,171 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:15:09,171 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:15:09,171 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:15:09,171 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:15:09,171 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:15:09,171 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:09,171 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:15:09,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:15:09,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:09,172 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:15:09,172 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:15:09,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:15:09,172 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:15:09,172 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:09,172 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:15:09,172 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_a88b532f-788b-45d1-99af-fcc5ddb62c90/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 -> 1ef54f3ce50dd9ddeffe48f2a0cf8639284ac81c3f1728a70fd8bb6d96b63349 [2024-12-06 00:15:09,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:15:09,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:15:09,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:15:09,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:15:09,409 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:15:09,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2024-12-06 00:15:12,097 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/f1296e6cd/c10ea0edf9434aac881f9c00989d4fc4/FLAG8c9502907 [2024-12-06 00:15:12,369 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:15:12,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_53_bad.i [2024-12-06 00:15:12,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/f1296e6cd/c10ea0edf9434aac881f9c00989d4fc4/FLAG8c9502907 [2024-12-06 00:15:12,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/data/f1296e6cd/c10ea0edf9434aac881f9c00989d4fc4 [2024-12-06 00:15:12,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:15:12,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:15:12,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:12,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:15:12,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:15:12,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41f18334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:12, skipping insertion in model container [2024-12-06 00:15:12,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:12" (1/1) ... [2024-12-06 00:15:12,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:15:13,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:13,092 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:15:13,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:13,289 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:15:13,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13 WrapperNode [2024-12-06 00:15:13,289 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:13,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:13,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:15:13,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:15:13,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,331 INFO L138 Inliner]: procedures = 506, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 64 [2024-12-06 00:15:13,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:13,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:15:13,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:15:13,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:15:13,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,347 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,348 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,350 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:15:13,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:15:13,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:15:13,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:15:13,357 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:13,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:15:13,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:15:13,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:15:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 00:15:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 00:15:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:15:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:15:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:15:13,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:15:13,513 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:15:13,514 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:15:13,622 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 00:15:13,622 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:15:13,656 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:15:13,656 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 00:15:13,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:13 BoogieIcfgContainer [2024-12-06 00:15:13,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:15:13,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:15:13,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:15:13,664 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:15:13,664 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:13" (1/1) ... [2024-12-06 00:15:13,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:15:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-06 00:15:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-06 00:15:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:15:13,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:13,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:13,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:13,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:15:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:13,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:15:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:13,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 00:15:13,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:13,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:15:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:13,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-06 00:15:13,956 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-06 00:15:13,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:15:13,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:13,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:15:13,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:15:13,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:15:13,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:15:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:14,097 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:15:14,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:14,196 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:15:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:15:14,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:15:14,244 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:15:14,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:15:14 ImpRootNode [2024-12-06 00:15:14,268 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:15:14,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:15:14,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:15:14,268 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:15:14,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:13" (3/4) ... [2024-12-06 00:15:14,271 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:15:14,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:15:14,273 INFO L158 Benchmark]: Toolchain (without parser) took 1864.17ms. Allocated memory is still 92.3MB. Free memory was 65.5MB in the beginning and 40.5MB in the end (delta: 25.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-12-06 00:15:14,273 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:14,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 880.06ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 60.6MB in the end (delta: 4.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-06 00:15:14,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.45ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 57.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:14,274 INFO L158 Benchmark]: Boogie Preprocessor took 23.75ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:14,274 INFO L158 Benchmark]: RCFGBuilder took 300.35ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 40.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:15:14,275 INFO L158 Benchmark]: CodeCheck took 610.35ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 41.0MB in the end (delta: -789.2kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-12-06 00:15:14,275 INFO L158 Benchmark]: Witness Printer took 3.85ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 40.5MB in the end (delta: 526.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:15:14,277 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: 0.6s, 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, 55 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: 1588]: 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_53_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=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_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_multiply_53d_badSink(data) [L1586] 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] [L1588] 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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 880.06ms. Allocated memory is still 92.3MB. Free memory was 65.3MB in the beginning and 60.6MB in the end (delta: 4.7MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.45ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 57.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.75ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 300.35ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 40.2MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 610.35ms. Allocated memory is still 92.3MB. Free memory was 40.2MB in the beginning and 41.0MB in the end (delta: -789.2kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Witness Printer took 3.85ms. Allocated memory is still 92.3MB. Free memory was 41.0MB in the beginning and 40.5MB in the end (delta: 526.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:15:14,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a88b532f-788b-45d1-99af-fcc5ddb62c90/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