./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_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_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3 --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 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:05:56,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:05:56,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:05:56,310 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:05:56,310 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:05:56,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:05:56,356 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:05:56,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:05:56,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:05:56,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:05:56,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:05:56,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:05:56,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:05:56,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:05:56,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:05:56,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:05:56,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:05:56,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:05:56,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:05:56,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:05:56,361 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:05:56,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:05:56,361 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:05:56,361 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:05:56,362 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:05:56,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:05:56,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:05:56,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:05:56,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:05:56,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:05:56,362 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:05:56,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:05:56,363 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_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 [2024-11-24 18:05:56,704 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:05:56,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:05:56,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:05:56,724 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:05:56,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:05:56,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2024-11-24 18:05:59,918 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/ee65d7238/4dd45b0eb52445988778ec3448a721a4/FLAG32226ce5a [2024-11-24 18:06:00,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:00,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2024-11-24 18:06:00,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/ee65d7238/4dd45b0eb52445988778ec3448a721a4/FLAG32226ce5a [2024-11-24 18:06:00,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/ee65d7238/4dd45b0eb52445988778ec3448a721a4 [2024-11-24 18:06:00,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:00,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:00,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:00,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:00,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:00,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:00" (1/1) ... [2024-11-24 18:06:00,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a87ad69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:00, skipping insertion in model container [2024-11-24 18:06:00,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:00" (1/1) ... [2024-11-24 18:06:00,606 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:01,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:01,768 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:01,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:02,068 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:02,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02 WrapperNode [2024-11-24 18:06:02,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:02,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:02,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:02,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:02,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,116 INFO L138 Inliner]: procedures = 499, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-24 18:06:02,117 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:02,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:02,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:02,118 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:02,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:02,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:02,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:02,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:02,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:02,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:02,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:02,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:06:02,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:06:02,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:06:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:06:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:02,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:06:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:06:02,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:06:02,441 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:02,444 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:02,628 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:02,629 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:02,697 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:02,701 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:06:02,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:02 BoogieIcfgContainer [2024-11-24 18:06:02,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:02,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:02,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:02,716 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:02,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:02" (1/1) ... [2024-11-24 18:06:02,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:02,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:06:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:06:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:06:02,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:02,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:03,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-24 18:06:03,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-24 18:06:03,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:06:03,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:03,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:06:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:03,950 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:06:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:04,103 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:06:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:04,167 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:06:04,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:06:04 ImpRootNode [2024-11-24 18:06:04,209 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:06:04,210 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:06:04,210 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:06:04,210 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:06:04,211 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:02" (3/4) ... [2024-11-24 18:06:04,214 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:06:04,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:06:04,218 INFO L158 Benchmark]: Toolchain (without parser) took 3699.25ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.4MB in the beginning and 286.1MB in the end (delta: -195.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,218 INFO L158 Benchmark]: CDTParser took 1.91ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:04,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1548.17ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 81.6MB in the end (delta: 8.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.83ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,222 INFO L158 Benchmark]: Boogie Preprocessor took 27.44ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:04,222 INFO L158 Benchmark]: RCFGBuilder took 555.91ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 62.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,223 INFO L158 Benchmark]: CodeCheck took 1506.87ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.6MB in the beginning and 286.9MB in the end (delta: -224.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-11-24 18:06:04,223 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 352.3MB. Free memory was 286.9MB in the beginning and 286.1MB in the end (delta: 818.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:04,227 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={978:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_add_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data + 1 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 1.91ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1548.17ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 81.6MB in the end (delta: 8.5MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.83ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.44ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.91ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 62.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1506.87ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.6MB in the beginning and 286.9MB in the end (delta: -224.3MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 352.3MB. Free memory was 286.9MB in the beginning and 286.1MB in the end (delta: 818.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:06:04,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/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 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_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3 --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 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:06:07,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:06:07,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:06:07,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:06:07,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:06:07,389 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:06:07,390 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:06:07,390 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:06:07,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:06:07,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:06:07,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:06:07,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:06:07,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:06:07,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:06:07,391 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:06:07,391 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:06:07,392 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:06:07,392 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:06:07,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:06:07,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:06:07,392 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:06:07,392 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:06:07,393 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:06:07,393 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:06:07,393 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:06:07,393 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:07,393 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:06:07,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:06:07,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:07,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:06:07,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:06:07,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:06:07,394 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:06:07,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:07,395 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:06:07,395 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_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8ce8a49ea312f5be0225d8073f8ea160066b763122d2873f0570cf84c2bb0e57 [2024-11-24 18:06:07,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:06:07,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:06:07,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:06:07,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:06:07,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:06:07,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2024-11-24 18:06:10,890 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/91c7d8946/80145b836d2f4431bae7d3e57ee1a9d6/FLAG2a6ae2c04 [2024-11-24 18:06:11,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:06:11,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_66_bad.i [2024-11-24 18:06:11,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/91c7d8946/80145b836d2f4431bae7d3e57ee1a9d6/FLAG2a6ae2c04 [2024-11-24 18:06:11,425 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/data/91c7d8946/80145b836d2f4431bae7d3e57ee1a9d6 [2024-11-24 18:06:11,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:06:11,429 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:06:11,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:11,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:06:11,437 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:06:11,438 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:11" (1/1) ... [2024-11-24 18:06:11,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36dd3703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:11, skipping insertion in model container [2024-11-24 18:06:11,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:06:11" (1/1) ... [2024-11-24 18:06:11,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:06:12,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:12,723 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:06:12,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:06:13,057 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:06:13,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13 WrapperNode [2024-11-24 18:06:13,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:06:13,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:13,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:06:13,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:06:13,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,113 INFO L138 Inliner]: procedures = 504, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-24 18:06:13,114 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:06:13,114 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:06:13,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:06:13,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:06:13,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,127 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,143 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:06:13,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:06:13,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:06:13,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:06:13,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:06:13,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:06:13,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:06:13,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:06:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:06:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:06:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:06:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:06:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:06:13,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:06:13,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:06:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:06:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:06:13,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:06:13,410 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:06:13,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:06:13,574 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-24 18:06:13,574 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:06:13,633 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:06:13,634 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:06:13,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:13 BoogieIcfgContainer [2024-11-24 18:06:13,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:06:13,636 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:06:13,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:06:13,648 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:06:13,648 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:13" (1/1) ... [2024-11-24 18:06:13,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:06:13,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:06:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:06:13,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:06:13,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:13,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:13,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:13,719 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:13,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:06:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:13,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:06:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:06:14,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:06:14,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:06:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:06:14,106 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:06:14,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:06:14,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:06:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:06:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:06:14,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:06:14,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:06:14,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:06:14,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:06:14,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:06:14,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:06:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:14,412 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:06:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:14,646 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:06:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:06:14,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:06:14,727 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:06:14,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:06:14 ImpRootNode [2024-11-24 18:06:14,767 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:06:14,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:06:14,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:06:14,769 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:06:14,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:06:13" (3/4) ... [2024-11-24 18:06:14,773 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:06:14,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:06:14,775 INFO L158 Benchmark]: Toolchain (without parser) took 3345.67ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 61.5MB in the end (delta: 29.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-24 18:06:14,778 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:14,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1627.08ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 78.7MB in the end (delta: 12.3MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-24 18:06:14,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.68ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:14,779 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:14,779 INFO L158 Benchmark]: RCFGBuilder took 481.91ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 57.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:06:14,780 INFO L158 Benchmark]: CodeCheck took 1131.65ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 61.5MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:14,780 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:06:14,785 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1580]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_add_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataArray={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_add_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1580] data + 1 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 0.47ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1627.08ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 78.7MB in the end (delta: 12.3MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.68ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 75.9MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 73.7MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 481.91ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 57.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1131.65ms. Allocated memory is still 117.4MB. Free memory was 57.2MB in the beginning and 61.5MB in the end (delta: -4.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 61.5MB in the end (delta: 23.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:06:14,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c3a3851-84e6-46a3-9442-a8d11917e503/bin/ukojak-verify-ENZ3QT5qd3/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