./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_63_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_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/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_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/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_86415655-cfd1-4941-bef5-0a921a1396d1/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 ed006e90ce849db7264d42df59913b628f38e7ec1bb8d42d5a740354f29d2d82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:41,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:41,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:13:41,767 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:13:41,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:13:41,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:41,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:41,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:41,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:41,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:41,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:41,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:41,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:13:41,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:41,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:41,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:41,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:41,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:41,790 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:41,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:41,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:41,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:41,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:41,791 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:13:41,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:13:41,791 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_86415655-cfd1-4941-bef5-0a921a1396d1/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 -> ed006e90ce849db7264d42df59913b628f38e7ec1bb8d42d5a740354f29d2d82 [2024-12-06 01:13:42,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:42,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:42,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:42,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:42,040 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:42,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_63_bad.i [2024-12-06 01:13:44,642 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/118714869/a18297b90b6942ed959c72aa0ad7bad5/FLAG3e6febac7 [2024-12-06 01:13:44,947 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:44,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_63_bad.i [2024-12-06 01:13:44,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/118714869/a18297b90b6942ed959c72aa0ad7bad5/FLAG3e6febac7 [2024-12-06 01:13:45,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/118714869/a18297b90b6942ed959c72aa0ad7bad5 [2024-12-06 01:13:45,229 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:45,230 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:45,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:45,231 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:45,234 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:45,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:45" (1/1) ... [2024-12-06 01:13:45,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16817ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:45, skipping insertion in model container [2024-12-06 01:13:45,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:45" (1/1) ... [2024-12-06 01:13:45,266 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:45,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:45,852 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:45,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:46,003 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:46,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46 WrapperNode [2024-12-06 01:13:46,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:46,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:46,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:46,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:46,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,053 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-12-06 01:13:46,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:46,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:46,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:46,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:46,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,065 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:46,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:46,072 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:46,072 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:46,073 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:46,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:46,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:46,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:13:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:13:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:13:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:13:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:46,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:13:46,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:13:46,249 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:46,250 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:46,428 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-12-06 01:13:46,428 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:46,578 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:46,578 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:13:46,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:46 BoogieIcfgContainer [2024-12-06 01:13:46,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:46,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:46,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:46,586 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:46,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:46" (1/1) ... [2024-12-06 01:13:46,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:13:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:13:46,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:13:46,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:46,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:13:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:46,845 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:47,030 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:47,070 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:13:47,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:13:47 ImpRootNode [2024-12-06 01:13:47,090 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:13:47,091 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:13:47,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:13:47,091 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:13:47,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:46" (3/4) ... [2024-12-06 01:13:47,093 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:13:47,094 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:13:47,095 INFO L158 Benchmark]: Toolchain (without parser) took 1864.78ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 83.6MB in the end (delta: 30.3MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:47,095 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:47,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 772.59ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 53.7MB in the end (delta: 60.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 01:13:47,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.13ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.2MB in the end (delta: -58.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-12-06 01:13:47,096 INFO L158 Benchmark]: Boogie Preprocessor took 17.35ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:47,097 INFO L158 Benchmark]: RCFGBuilder took 507.05ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 71.8MB in the end (delta: 39.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:13:47,097 INFO L158 Benchmark]: CodeCheck took 511.18ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 84.4MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:47,098 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 753.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:47,100 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 772.59ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 53.7MB in the end (delta: 60.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.13ms. Allocated memory is still 142.6MB. Free memory was 53.7MB in the beginning and 112.2MB in the end (delta: -58.5MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.35ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 507.05ms. Allocated memory is still 142.6MB. Free memory was 111.0MB in the beginning and 71.8MB in the end (delta: 39.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 511.18ms. Allocated memory is still 142.6MB. Free memory was 71.8MB in the beginning and 84.4MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 83.6MB in the end (delta: 753.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:13:47,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/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_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/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_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/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_86415655-cfd1-4941-bef5-0a921a1396d1/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 ed006e90ce849db7264d42df59913b628f38e7ec1bb8d42d5a740354f29d2d82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:13:49,053 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:13:49,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:13:49,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:13:49,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:13:49,156 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:13:49,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:13:49,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:13:49,157 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:13:49,158 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:13:49,158 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:13:49,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:49,159 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:13:49,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:13:49,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:13:49,159 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:13:49,159 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:49,159 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:13:49,159 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_86415655-cfd1-4941-bef5-0a921a1396d1/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 -> ed006e90ce849db7264d42df59913b628f38e7ec1bb8d42d5a740354f29d2d82 [2024-12-06 01:13:49,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:13:49,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:13:49,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:13:49,418 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:13:49,418 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:13:49,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_63_bad.i [2024-12-06 01:13:52,109 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/2180b8778/159d7650ee7042d1ab89da2b37bd6ded/FLAGc6e9a0395 [2024-12-06 01:13:52,381 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:13:52,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_63_bad.i [2024-12-06 01:13:52,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/2180b8778/159d7650ee7042d1ab89da2b37bd6ded/FLAGc6e9a0395 [2024-12-06 01:13:52,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/data/2180b8778/159d7650ee7042d1ab89da2b37bd6ded [2024-12-06 01:13:52,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:13:52,419 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:13:52,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:52,421 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:13:52,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:13:52,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5477f554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:52, skipping insertion in model container [2024-12-06 01:13:52,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:13:52" (1/1) ... [2024-12-06 01:13:52,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:13:53,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:53,134 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:13:53,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:13:53,332 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:13:53,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53 WrapperNode [2024-12-06 01:13:53,332 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:13:53,333 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:53,333 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:13:53,333 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:13:53,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,370 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-12-06 01:13:53,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:13:53,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:13:53,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:13:53,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:13:53,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,389 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:13:53,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:13:53,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:13:53,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:13:53,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:13:53,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:13:53,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:13:53,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:13:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:13:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:13:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:13:53,574 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:13:53,575 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:13:53,687 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 01:13:53,687 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:13:53,743 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:13:53,743 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:13:53,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:53 BoogieIcfgContainer [2024-12-06 01:13:53,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:13:53,745 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:13:53,745 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:13:53,754 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:13:53,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:53" (1/1) ... [2024-12-06 01:13:53,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:13:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:53,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:13:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:13:53,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:13:53,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:53,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:53,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:53,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:53,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:13:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:53,989 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:54,130 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:13:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:13:54,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:13:54,184 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:13:54,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:13:54 ImpRootNode [2024-12-06 01:13:54,206 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:13:54,207 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:13:54,207 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:13:54,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:13:54,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:13:53" (3/4) ... [2024-12-06 01:13:54,208 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:13:54,241 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 01:13:54,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:13:54,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:13:54,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:13:54,274 INFO L158 Benchmark]: Toolchain (without parser) took 1854.70ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 48.5MB in the end (delta: 18.0MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:54,274 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:54,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 911.88ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.3MB in the end (delta: 4.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-06 01:13:54,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.97ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:54,275 INFO L158 Benchmark]: Boogie Preprocessor took 23.62ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:54,275 INFO L158 Benchmark]: RCFGBuilder took 348.67ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 39.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:13:54,275 INFO L158 Benchmark]: CodeCheck took 461.40ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 53.4MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:13:54,276 INFO L158 Benchmark]: Witness Printer took 66.45ms. Allocated memory is still 92.3MB. Free memory was 53.4MB in the beginning and 48.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:13:54,278 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1568]: 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); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 911.88ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.3MB in the end (delta: 4.0MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.97ms. Allocated memory is still 92.3MB. Free memory was 62.3MB in the beginning and 59.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.62ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.67ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 39.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 461.40ms. Allocated memory is still 92.3MB. Free memory was 39.6MB in the beginning and 53.4MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.45ms. Allocated memory is still 92.3MB. Free memory was 53.4MB in the beginning and 48.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 01:13:54,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86415655-cfd1-4941-bef5-0a921a1396d1/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)