./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:07:49,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:07:49,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 04:07:49,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:07:49,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:07:49,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:07:49,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:07:49,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:07:49,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:07:49,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:07:49,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:07:49,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:07:49,407 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:07:49,407 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:07:49,407 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:07:49,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:07:49,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:07:49,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:07:49,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:07:49,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:07:49,407 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:07:49,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:07:49,408 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_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 [2024-12-06 04:07:49,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:07:49,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:07:49,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:07:49,690 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:07:49,690 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:07:49,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-12-06 04:07:52,606 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/51e3b26ed/6741cad00b164ec6a756f1007dd0fad9/FLAG14d9bfef8 [2024-12-06 04:07:52,888 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:07:52,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-12-06 04:07:52,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/51e3b26ed/6741cad00b164ec6a756f1007dd0fad9/FLAG14d9bfef8 [2024-12-06 04:07:53,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/51e3b26ed/6741cad00b164ec6a756f1007dd0fad9 [2024-12-06 04:07:53,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:07:53,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:07:53,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:07:53,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:07:53,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:07:53,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:07:53" (1/1) ... [2024-12-06 04:07:53,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adcfd21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:53, skipping insertion in model container [2024-12-06 04:07:53,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:07:53" (1/1) ... [2024-12-06 04:07:53,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:07:53,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:07:53,949 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:07:54,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:07:54,157 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:07:54,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54 WrapperNode [2024-12-06 04:07:54,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:07:54,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:07:54,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:07:54,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:07:54,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,183 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,207 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-12-06 04:07:54,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:07:54,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:07:54,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:07:54,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:07:54,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,224 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,225 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:07:54,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:07:54,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:07:54,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:07:54,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:07:54,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:07:54,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:07:54,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:07:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:07:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:07:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:07:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:07:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:07:54,431 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:07:54,432 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:07:54,616 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 04:07:54,616 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:07:54,798 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:07:54,798 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:07:54,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:07:54 BoogieIcfgContainer [2024-12-06 04:07:54,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:07:54,799 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:07:54,799 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:07:54,809 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:07:54,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:07:54" (1/1) ... [2024-12-06 04:07:54,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:07:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:07:54,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 04:07:54,868 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 04:07:54,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:07:54,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:07:54,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:07:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:07:55,074 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:07:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:07:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:07:55,256 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:07:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:07:55,300 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:07:55,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:07:55 ImpRootNode [2024-12-06 04:07:55,327 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:07:55,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:07:55,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:07:55,329 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:07:55,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:07:54" (3/4) ... [2024-12-06 04:07:55,332 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:07:55,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:07:55,334 INFO L158 Benchmark]: Toolchain (without parser) took 2172.79ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 57.1MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 04:07:55,335 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:07:55,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.45ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.3MB in the end (delta: 7.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-12-06 04:07:55,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.51ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:07:55,337 INFO L158 Benchmark]: Boogie Preprocessor took 25.94ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:07:55,337 INFO L158 Benchmark]: RCFGBuilder took 564.33ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 36.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:07:55,338 INFO L158 Benchmark]: CodeCheck took 528.47ms. Allocated memory is still 117.4MB. Free memory was 36.1MB in the beginning and 57.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:07:55,338 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 57.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:07:55,340 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, ConComCheckerStatistics: 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 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_predec_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) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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 0.36ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 71.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.45ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 81.3MB in the end (delta: 7.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.51ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.5MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.94ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 564.33ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 36.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 528.47ms. Allocated memory is still 117.4MB. Free memory was 36.1MB in the beginning and 57.1MB in the end (delta: -21.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 57.1MB 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 [2024-12-06 04:07:55,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:07:57,453 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:07:57,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 04:07:57,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:07:57,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:07:57,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:07:57,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:07:57,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:07:57,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:07:57,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:07:57,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:07:57,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:07:57,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:07:57,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:07:57,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:07:57,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:07:57,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:07:57,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:07:57,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:07:57,562 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:07:57,562 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_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 [2024-12-06 04:07:57,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:07:57,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:07:57,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:07:57,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:07:57,850 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:07:57,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-12-06 04:08:01,205 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/a124758e5/885466c7eead462b84120db35c62d9c3/FLAGe58e96bcd [2024-12-06 04:08:01,550 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:08:01,551 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-12-06 04:08:01,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/a124758e5/885466c7eead462b84120db35c62d9c3/FLAGe58e96bcd [2024-12-06 04:08:01,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/data/a124758e5/885466c7eead462b84120db35c62d9c3 [2024-12-06 04:08:01,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:08:01,600 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:08:01,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:08:01,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:08:01,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:08:01,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:08:01" (1/1) ... [2024-12-06 04:08:01,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2860d8a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:01, skipping insertion in model container [2024-12-06 04:08:01,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:08:01" (1/1) ... [2024-12-06 04:08:01,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:08:02,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:08:02,608 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:08:02,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:08:02,796 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:08:02,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02 WrapperNode [2024-12-06 04:08:02,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:08:02,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:08:02,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:08:02,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:08:02,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,838 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-12-06 04:08:02,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:08:02,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:08:02,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:08:02,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:08:02,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,847 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,847 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,855 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,857 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:08:02,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:08:02,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:08:02,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:08:02,864 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:08:02" (1/1) ... [2024-12-06 04:08:02,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:08:02,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:08:02,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:08:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:08:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 04:08:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 04:08:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:08:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:08:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:08:03,022 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:08:03,023 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:08:03,123 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:08:03,123 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:08:03,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:08:03,178 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 04:08:03,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:08:03 BoogieIcfgContainer [2024-12-06 04:08:03,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:08:03,179 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:08:03,180 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:08:03,189 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:08:03,189 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:08:03" (1/1) ... [2024-12-06 04:08:03,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:08:03,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:08:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 04:08:03,236 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 04:08:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:08:03,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:08:03,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:08:03,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:08:03,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:08:03,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:08:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:08:03,387 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:08:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:08:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:08:03,502 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:08:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:08:03,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:08:03,535 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:08:03,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:08:03 ImpRootNode [2024-12-06 04:08:03,558 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:08:03,559 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:08:03,559 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:08:03,559 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:08:03,560 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:08:03" (3/4) ... [2024-12-06 04:08:03,560 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 04:08:03,600 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 04:08:03,644 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:08:03,644 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:08:03,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:08:03,645 INFO L158 Benchmark]: Toolchain (without parser) took 2045.12ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 50.7MB in the end (delta: 15.1MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-06 04:08:03,645 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:08:03,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1195.75ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 61.5MB in the end (delta: 4.2MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 04:08:03,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.11ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:08:03,646 INFO L158 Benchmark]: Boogie Preprocessor took 23.91ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:08:03,647 INFO L158 Benchmark]: RCFGBuilder took 315.59ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 39.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:08:03,647 INFO L158 Benchmark]: CodeCheck took 378.54ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 55.5MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:08:03,647 INFO L158 Benchmark]: Witness Printer took 85.64ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 50.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:08:03,649 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: 0.3s, 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1561]: integer overflow possible integer overflow possible We found a 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_predec_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) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1195.75ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 61.5MB in the end (delta: 4.2MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.11ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 58.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.91ms. Allocated memory is still 92.3MB. Free memory was 58.8MB in the beginning and 57.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.59ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 39.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 378.54ms. Allocated memory is still 92.3MB. Free memory was 39.3MB in the beginning and 55.5MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.64ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 50.7MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 04:08:03,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_113cec5a-d788-456f-8552-d504edc812db/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)