./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:06:32,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:06:33,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:06:33,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:06:33,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:06:33,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:06:33,098 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:06:33,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:06:33,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:06:33,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:06:33,100 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:06:33,100 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:06:33,100 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:06:33,100 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:06:33,101 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:06:33,101 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:06:33,101 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:06:33,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:06:33,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:06:33,101 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:06:33,102 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:06:33,102 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:06:33,102 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:06:33,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:06:33,103 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:06:33,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:06:33,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:06:33,103 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:06:33,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:06:33,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:06:33,104 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:06:33,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:06:33,104 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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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 -> 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 [2024-11-25 04:06:33,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:06:33,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:06:33,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:06:33,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:06:33,526 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:06:33,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2024-11-25 04:06:37,243 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/577051111/79f0976b6bbd49efab4be24b8fddd159/FLAGbf7634525 [2024-11-25 04:06:37,888 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:06:37,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2024-11-25 04:06:37,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/577051111/79f0976b6bbd49efab4be24b8fddd159/FLAGbf7634525 [2024-11-25 04:06:37,971 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/577051111/79f0976b6bbd49efab4be24b8fddd159 [2024-11-25 04:06:37,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:06:37,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:06:37,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:06:37,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:06:37,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:06:37,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:06:37" (1/1) ... [2024-11-25 04:06:37,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405fb422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:37, skipping insertion in model container [2024-11-25 04:06:37,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:06:37" (1/1) ... [2024-11-25 04:06:38,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:06:39,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:06:39,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:06:39,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:06:39,551 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:06:39,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39 WrapperNode [2024-11-25 04:06:39,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:06:39,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:06:39,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:06:39,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:06:39,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,645 INFO L138 Inliner]: procedures = 501, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2024-11-25 04:06:39,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:06:39,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:06:39,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:06:39,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:06:39,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,667 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,671 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:06:39,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:06:39,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:06:39,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:06:39,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:39" (1/1) ... [2024-11-25 04:06:39,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:06:39,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:06:39,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:06:39,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:06:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:06:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:06:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:06:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:06:39,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:06:39,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:06:39,989 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:06:39,992 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:06:40,213 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 04:06:40,213 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:06:40,278 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:06:40,278 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:06:40,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:06:40 BoogieIcfgContainer [2024-11-25 04:06:40,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:06:40,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:06:40,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:06:40,295 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:06:40,295 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:06:40" (1/1) ... [2024-11-25 04:06:40,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:06:40,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:40,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 04:06:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 04:06:40,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:06:40,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:40,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:06:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:40,561 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:06:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:40,768 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:06:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:40,827 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:06:40,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:06:40 ImpRootNode [2024-11-25 04:06:40,863 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:06:40,864 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:06:40,864 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:06:40,864 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:06:40,865 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:06:40" (3/4) ... [2024-11-25 04:06:40,868 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:06:40,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:06:40,870 INFO L158 Benchmark]: Toolchain (without parser) took 2892.83ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 66.8MB in the end (delta: 30.4MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-25 04:06:40,871 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:40,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1573.89ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 36.7MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:06:40,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.15ms. Allocated memory is still 142.6MB. Free memory was 36.7MB in the beginning and 34.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:06:40,872 INFO L158 Benchmark]: Boogie Preprocessor took 30.72ms. Allocated memory is still 142.6MB. Free memory was 34.0MB in the beginning and 33.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:40,873 INFO L158 Benchmark]: RCFGBuilder took 600.82ms. Allocated memory is still 142.6MB. Free memory was 33.0MB in the beginning and 85.9MB in the end (delta: -53.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-25 04:06:40,874 INFO L158 Benchmark]: CodeCheck took 580.63ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 66.8MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:06:40,874 INFO L158 Benchmark]: Witness Printer took 5.33ms. Allocated memory is still 142.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:40,877 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 CWE191_Integer_Underflow__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 CWE191_Integer_Underflow__int_fgets_multiply_53b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__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 0.49ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1573.89ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 36.7MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.15ms. Allocated memory is still 142.6MB. Free memory was 36.7MB in the beginning and 34.0MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.72ms. Allocated memory is still 142.6MB. Free memory was 34.0MB in the beginning and 33.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 600.82ms. Allocated memory is still 142.6MB. Free memory was 33.0MB in the beginning and 85.9MB in the end (delta: -53.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * CodeCheck took 580.63ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 66.8MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.33ms. Allocated memory is still 142.6MB. Free memory is still 66.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:06:40,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:06:44,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:06:44,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:06:44,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:06:44,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:06:44,280 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:06:44,280 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:06:44,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:06:44,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:06:44,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:06:44,282 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:06:44,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:06:44,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:06:44,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:06:44,283 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:06:44,283 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:06:44,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:06:44,285 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:06:44,285 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:06:44,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:06:44,286 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:06:44,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:06:44,286 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:06:44,286 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:06:44,286 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:06:44,286 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:44,287 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:06:44,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:06:44,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:06:44,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:06:44,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:06:44,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:06:44,287 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:06:44,287 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:44,287 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:06:44,288 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_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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 -> 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 [2024-11-25 04:06:44,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:06:44,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:06:44,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:06:44,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:06:44,767 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:06:44,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2024-11-25 04:06:48,580 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/e9075fe16/9dc90c92137f4b11a8bb76295363e0c7/FLAG9d7c777a7 [2024-11-25 04:06:49,166 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:06:49,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2024-11-25 04:06:49,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/e9075fe16/9dc90c92137f4b11a8bb76295363e0c7/FLAG9d7c777a7 [2024-11-25 04:06:49,226 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/data/e9075fe16/9dc90c92137f4b11a8bb76295363e0c7 [2024-11-25 04:06:49,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:06:49,233 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:06:49,235 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:06:49,235 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:06:49,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:06:49,244 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:06:49" (1/1) ... [2024-11-25 04:06:49,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b273ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:49, skipping insertion in model container [2024-11-25 04:06:49,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:06:49" (1/1) ... [2024-11-25 04:06:49,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:06:50,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:06:50,443 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:06:50,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:06:50,837 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:06:50,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50 WrapperNode [2024-11-25 04:06:50,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:06:50,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:06:50,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:06:50,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:06:50,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,938 INFO L138 Inliner]: procedures = 506, calls = 30, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 64 [2024-11-25 04:06:50,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:06:50,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:06:50,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:06:50,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:06:50,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,979 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:50,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:51,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:06:51,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:06:51,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:06:51,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:06:51,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:06:50" (1/1) ... [2024-11-25 04:06:51,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:06:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:06:51,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:06:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:06:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:06:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:06:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:06:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:06:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:06:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:06:51,377 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:06:51,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:06:51,579 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 04:06:51,579 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:06:51,636 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:06:51,636 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:06:51,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:06:51 BoogieIcfgContainer [2024-11-25 04:06:51,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:06:51,638 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:06:51,638 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:06:51,652 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:06:51,653 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:06:51" (1/1) ... [2024-11-25 04:06:51,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:06:51,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:51,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 04:06:51,777 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 04:06:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:06:51,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:51,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:51,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:51,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:06:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:52,133 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:06:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:52,336 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:06:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:06:52,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 04:06:52,434 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:06:52,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:06:52 ImpRootNode [2024-11-25 04:06:52,468 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:06:52,470 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:06:52,470 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:06:52,470 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:06:52,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:06:51" (3/4) ... [2024-11-25 04:06:52,474 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:06:52,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:06:52,478 INFO L158 Benchmark]: Toolchain (without parser) took 3243.93ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 55.1MB in the beginning and 76.5MB in the end (delta: -21.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-25 04:06:52,479 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 18.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:52,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1603.31ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 54.9MB in the beginning and 61.7MB in the end (delta: -6.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-25 04:06:52,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.81ms. Allocated memory is still 125.8MB. Free memory was 61.7MB in the beginning and 59.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:52,480 INFO L158 Benchmark]: Boogie Preprocessor took 60.90ms. Allocated memory is still 125.8MB. Free memory was 58.6MB in the beginning and 57.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:52,481 INFO L158 Benchmark]: RCFGBuilder took 636.25ms. Allocated memory is still 125.8MB. Free memory was 57.1MB in the beginning and 40.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:06:52,484 INFO L158 Benchmark]: CodeCheck took 830.64ms. Allocated memory is still 125.8MB. Free memory was 40.4MB in the beginning and 76.9MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:06:52,485 INFO L158 Benchmark]: Witness Printer took 6.51ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 13.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:06:52,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 CWE191_Integer_Underflow__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 CWE191_Integer_Underflow__int_fgets_multiply_53b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__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=-2147483648, 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 0.42ms. Allocated memory is still 83.9MB. Free memory was 63.0MB in the beginning and 62.9MB in the end (delta: 18.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1603.31ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 54.9MB in the beginning and 61.7MB in the end (delta: -6.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.81ms. Allocated memory is still 125.8MB. Free memory was 61.7MB in the beginning and 59.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.90ms. Allocated memory is still 125.8MB. Free memory was 58.6MB in the beginning and 57.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 636.25ms. Allocated memory is still 125.8MB. Free memory was 57.1MB in the beginning and 40.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 830.64ms. Allocated memory is still 125.8MB. Free memory was 40.4MB in the beginning and 76.9MB in the end (delta: -36.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.51ms. Allocated memory is still 125.8MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 13.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:06:52,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fed2336-9f66-4b20-96d5-5107b90fbf3b/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