./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_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_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/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_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/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_f6574f64-6ea2-4eb7-9e76-be809295e45d/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 ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:45:35,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:45:35,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:45:35,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:45:35,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:45:35,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:45:35,634 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:45:35,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:45:35,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:45:35,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:45:35,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:45:35,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:45:35,638 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:45:35,639 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:45:35,639 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:45:35,639 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:45:35,639 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:45:35,639 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:45:35,639 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:45:35,639 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:35,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:45:35,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:45:35,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:45:35,640 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:45:35,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:45:35,640 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_f6574f64-6ea2-4eb7-9e76-be809295e45d/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 -> ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb [2024-11-13 22:45:36,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:45:36,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:45:36,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:45:36,079 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:45:36,080 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:45:36,082 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i Unable to find full path for "g++" [2024-11-13 22:45:38,094 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:45:38,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:45:38,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-11-13 22:45:38,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data/5a018bfc2/0921498314ce45b7b4a26b4bfc4bb35b/FLAGcc4edc906 [2024-11-13 22:45:38,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data/5a018bfc2/0921498314ce45b7b4a26b4bfc4bb35b [2024-11-13 22:45:38,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:45:38,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:45:38,589 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:38,590 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:45:38,594 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:45:38,595 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:38" (1/1) ... [2024-11-13 22:45:38,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c34f294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:38, skipping insertion in model container [2024-11-13 22:45:38,597 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:38" (1/1) ... [2024-11-13 22:45:38,652 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:45:39,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:39,945 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:45:40,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:40,186 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:45:40,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40 WrapperNode [2024-11-13 22:45:40,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:40,188 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:40,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:45:40,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:45:40,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,241 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-13 22:45:40,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:40,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:45:40,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:45:40,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:45:40,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,259 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,262 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:45:40,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:45:40,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:45:40,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:45:40,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:40" (1/1) ... [2024-11-13 22:45:40,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:40,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:45:40,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:45:40,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:45:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:45:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:45:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:45:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:45:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:45:40,492 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:45:40,494 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:40,791 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:40,791 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:41,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:41,099 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:45:41,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:41 BoogieIcfgContainer [2024-11-13 22:45:41,100 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:41,101 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:41,102 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:41,112 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:41,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:41" (1/1) ... [2024-11-13 22:45:41,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:41,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:41,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:45:41,190 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:45:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:45:41,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:41,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:45:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:41,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:41,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:41,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:41,860 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:45:41,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:45:41 ImpRootNode [2024-11-13 22:45:41,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:45:41,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:45:41,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:45:41,901 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:45:41,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:41" (3/4) ... [2024-11-13 22:45:41,905 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:45:41,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:45:41,908 INFO L158 Benchmark]: Toolchain (without parser) took 3320.59ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 81.9MB in the end (delta: 34.1MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-13 22:45:41,909 INFO L158 Benchmark]: CDTParser took 1.83ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:41,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1598.06ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.5MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:45:41,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.51ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:45:41,911 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:41,912 INFO L158 Benchmark]: RCFGBuilder took 835.07ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 62.3MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 22:45:41,912 INFO L158 Benchmark]: CodeCheck took 799.19ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 81.9MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:41,915 INFO L158 Benchmark]: Witness Printer took 6.18ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:41,919 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 1.83ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1598.06ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 107.5MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.51ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 835.07ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 62.3MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 799.19ms. Allocated memory is still 142.6MB. Free memory was 62.3MB in the beginning and 81.9MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.18ms. Allocated memory is still 142.6MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 13.7kB). 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 22:45:41,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/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_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/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_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/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_f6574f64-6ea2-4eb7-9e76-be809295e45d/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 ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:45:44,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:45:44,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:45:44,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:45:44,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:45:44,970 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:45:44,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:45:44,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:45:44,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:45:44,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:45:44,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:45:44,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:45:44,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:45:44,974 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:45:44,975 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:45:44,975 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:45:44,975 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:45:44,975 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:45:44,975 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:45:44,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:45:44,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:45:44,976 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:45:44,976 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:45:44,976 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:45:44,976 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:45:44,976 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:44,977 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:45:44,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:45:44,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:44,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:45:44,977 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:45:44,977 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:45:44,977 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:45:44,978 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:44,978 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:45:44,978 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_f6574f64-6ea2-4eb7-9e76-be809295e45d/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 -> ab73cdbc4fc94916cfd54e15d41355423928f7df20ed3143a601f63d7e5fb6bb [2024-11-13 22:45:45,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:45:45,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:45:45,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:45:45,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:45:45,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:45:45,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i Unable to find full path for "g++" [2024-11-13 22:45:47,414 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:45:47,852 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:45:47,853 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_04_bad.i [2024-11-13 22:45:47,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data/b9f4ccb26/ed05c45410d34166ba1c243e071ba017/FLAGe0a27af96 [2024-11-13 22:45:47,912 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/data/b9f4ccb26/ed05c45410d34166ba1c243e071ba017 [2024-11-13 22:45:47,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:45:47,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:45:47,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:47,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:45:47,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:45:47,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:47" (1/1) ... [2024-11-13 22:45:47,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3626b3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:47, skipping insertion in model container [2024-11-13 22:45:47,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:45:47" (1/1) ... [2024-11-13 22:45:47,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:45:48,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:48,955 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:45:49,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:45:49,361 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:45:49,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49 WrapperNode [2024-11-13 22:45:49,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:45:49,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:49,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:45:49,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:45:49,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,442 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-13 22:45:49,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:45:49,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:45:49,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:45:49,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:45:49,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,486 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:45:49,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:45:49,487 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:45:49,487 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:45:49,488 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:45:49,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:45:49,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:45:49,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:45:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:45:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:45:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:45:49,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:45:49,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:45:49,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:45:49,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:45:49,889 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 22:45:49,890 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:45:49,972 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:45:49,972 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:45:49,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:49 BoogieIcfgContainer [2024-11-13 22:45:49,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:45:49,973 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:45:49,973 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:45:49,984 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:45:49,984 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:49" (1/1) ... [2024-11-13 22:45:49,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:45:50,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:45:50,046 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:45:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:45:50,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:50,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:50,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:45:50,055 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:45:50,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:45:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:50,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:50,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:45:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:45:50,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:45:50,476 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:45:50,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:45:50 ImpRootNode [2024-11-13 22:45:50,510 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:45:50,512 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:45:50,512 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:45:50,513 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:45:50,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:45:49" (3/4) ... [2024-11-13 22:45:50,517 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:45:50,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:45:50,519 INFO L158 Benchmark]: Toolchain (without parser) took 2601.14ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 37.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-13 22:45:50,519 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:50,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1441.67ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.2MB in the end (delta: 5.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 22:45:50,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.74ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:50,520 INFO L158 Benchmark]: Boogie Preprocessor took 40.85ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:50,521 INFO L158 Benchmark]: RCFGBuilder took 485.36ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 52.4MB in the end (delta: -5.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-13 22:45:50,521 INFO L158 Benchmark]: CodeCheck took 537.09ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 37.6MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:45:50,521 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:45:50,527 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, 14 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.44ms. Allocated memory is still 83.9MB. Free memory was 65.5MB in the beginning and 65.5MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1441.67ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.2MB in the end (delta: 5.6MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.74ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 48.5MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.85ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 485.36ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 52.4MB in the end (delta: -5.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * CodeCheck took 537.09ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 37.6MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 83.9MB. Free memory was 37.6MB in the beginning and 37.6MB in the end (delta: 3.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:45:50,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6574f64-6ea2-4eb7-9e76-be809295e45d/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample