./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm --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 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:25,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:25,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:07:25,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:07:25,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:07:25,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:25,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:25,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:25,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:25,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:25,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:25,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:25,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:07:25,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:25,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:25,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:25,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:25,957 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:25,958 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:07:25,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:07:25,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:25,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:25,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:25,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:25,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:25,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:25,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:25,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:25,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:25,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:25,959 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:07:25,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:07:25,959 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_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm 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 -> 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 [2024-11-13 23:07:26,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:26,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:26,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:26,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:26,316 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:26,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i Unable to find full path for "g++" [2024-11-13 23:07:28,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:28,759 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:28,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i [2024-11-13 23:07:28,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data/072f47e5e/57b7305361744befa46d66fbe4527768/FLAG33f173530 [2024-11-13 23:07:28,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data/072f47e5e/57b7305361744befa46d66fbe4527768 [2024-11-13 23:07:28,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:28,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:28,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:28,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:28,905 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:28,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:28" (1/1) ... [2024-11-13 23:07:28,908 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ff5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:28, skipping insertion in model container [2024-11-13 23:07:28,908 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:28" (1/1) ... [2024-11-13 23:07:28,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:29,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:29,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:30,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:30,230 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:30,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30 WrapperNode [2024-11-13 23:07:30,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:30,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:30,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:30,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:30,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,277 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 23:07:30,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:30,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:30,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:30,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:30,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,303 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,305 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:30,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:30,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:30,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:30,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:30,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:30,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:07:30,383 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:07:30,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:07:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:30,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:30,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:07:30,562 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:30,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:30,740 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:30,741 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:30,810 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:30,811 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:07:30,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:30 BoogieIcfgContainer [2024-11-13 23:07:30,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:30,815 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:30,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:30,825 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:30,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:30" (1/1) ... [2024-11-13 23:07:30,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:30,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 23:07:30,901 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 23:07:30,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:07:30,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:30,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:31,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:31,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:31,242 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:07:31,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:31 ImpRootNode [2024-11-13 23:07:31,279 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:31,280 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:31,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:31,284 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:31,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:30" (3/4) ... [2024-11-13 23:07:31,288 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:07:31,289 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:31,291 INFO L158 Benchmark]: Toolchain (without parser) took 2392.80ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 43.1MB in the end (delta: 45.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2024-11-13 23:07:31,291 INFO L158 Benchmark]: CDTParser took 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:31,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1331.77ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 81.2MB in the end (delta: 7.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 23:07:31,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.83ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:31,293 INFO L158 Benchmark]: Boogie Preprocessor took 30.57ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.6MB in the end (delta: 730.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:31,293 INFO L158 Benchmark]: RCFGBuilder took 505.73ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 63.1MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:31,293 INFO L158 Benchmark]: CodeCheck took 464.29ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 43.1MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:07:31,294 INFO L158 Benchmark]: Witness Printer took 9.54ms. Allocated memory is still 117.4MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:31,296 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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 - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563, overapproximation of fgets at line 1572. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1571] 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] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1554] 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] [L1556] 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 1.82ms. Allocated memory is still 83.9MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1331.77ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 81.2MB in the end (delta: 7.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.83ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.57ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.6MB in the end (delta: 730.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 505.73ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 63.1MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 464.29ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 43.1MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 9.54ms. Allocated memory is still 117.4MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:07:31,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm --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 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:34,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:34,200 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:07:34,228 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:34,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:34,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:34,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:34,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:34,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:34,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:07:34,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:07:34,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:07:34,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:34,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:34,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:34,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:34,231 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:34,231 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:34,231 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:07:34,231 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:34,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:34,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:34,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:34,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:34,232 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:07:34,232 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:34,232 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:07:34,232 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_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm 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 -> 09f30413585882b06ba1473205f59da9954b57418a2c461dcc53e903d16bf086 [2024-11-13 23:07:34,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:34,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:34,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:34,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:34,581 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:34,582 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i Unable to find full path for "g++" [2024-11-13 23:07:36,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:37,220 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:37,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_61_bad.i [2024-11-13 23:07:37,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data/a7d11a365/a28713ae4950495b990457189b6b965f/FLAG029d80b12 [2024-11-13 23:07:37,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/data/a7d11a365/a28713ae4950495b990457189b6b965f [2024-11-13 23:07:37,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:37,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:37,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:37,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:37,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:37,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:37" (1/1) ... [2024-11-13 23:07:37,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36088a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:37, skipping insertion in model container [2024-11-13 23:07:37,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:37" (1/1) ... [2024-11-13 23:07:37,369 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:38,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:38,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:38,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:38,908 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:38,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38 WrapperNode [2024-11-13 23:07:38,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:38,911 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:38,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:38,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:38,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:38,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:38,985 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 70 [2024-11-13 23:07:38,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:38,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:38,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:38,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:38,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:38,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:38,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:39,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:39,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:39,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:39,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:39,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:39,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:39,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:39,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:39,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:39,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:39,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:39,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:39,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:39,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:07:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:07:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:07:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:07:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:39,371 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:39,374 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:39,617 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:39,618 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:39,708 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:39,708 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:07:39,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:39 BoogieIcfgContainer [2024-11-13 23:07:39,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:39,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:39,710 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:39,724 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:39,724 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:39" (1/1) ... [2024-11-13 23:07:39,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:39,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:39,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 23:07:39,841 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 23:07:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:07:39,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:39,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:39,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:39,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:39,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:07:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:40,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:40,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:40,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:07:40,348 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:07:40,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:40 ImpRootNode [2024-11-13 23:07:40,379 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:40,380 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:40,380 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:40,381 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:40,382 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:39" (3/4) ... [2024-11-13 23:07:40,384 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:07:40,385 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:40,387 INFO L158 Benchmark]: Toolchain (without parser) took 3098.87ms. Allocated memory is still 109.1MB. Free memory was 82.0MB in the beginning and 60.9MB in the end (delta: 21.1MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 23:07:40,387 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:40,388 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1620.70ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 62.1MB in the end (delta: 19.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 23:07:40,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.71ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:40,389 INFO L158 Benchmark]: Boogie Preprocessor took 32.67ms. Allocated memory is still 109.1MB. Free memory was 59.5MB in the beginning and 57.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:40,389 INFO L158 Benchmark]: RCFGBuilder took 685.69ms. Allocated memory is still 109.1MB. Free memory was 57.6MB in the beginning and 41.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:07:40,389 INFO L158 Benchmark]: CodeCheck took 670.00ms. Allocated memory is still 109.1MB. Free memory was 41.0MB in the beginning and 60.9MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:40,390 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:40,392 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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 - UnprovableResult [Line: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563, overapproximation of fgets at line 1572. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1571] 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] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fgets_multiply_61b_badSource(data) [L1554] 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] [L1556] 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 0.34ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1620.70ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 62.1MB in the end (delta: 19.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.71ms. Allocated memory is still 109.1MB. Free memory was 62.1MB in the beginning and 59.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.67ms. Allocated memory is still 109.1MB. Free memory was 59.5MB in the beginning and 57.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.69ms. Allocated memory is still 109.1MB. Free memory was 57.6MB in the beginning and 41.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 670.00ms. Allocated memory is still 109.1MB. Free memory was 41.0MB in the beginning and 60.9MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 109.1MB. Free memory was 60.9MB in the beginning and 60.9MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:07:40,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ded67e0-5353-4ad2-a3f5-b36736358dc0/bin/ukojak-verify-EEHR8qb7sm/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