./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk --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 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:33:38,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:33:38,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:33:38,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:33:38,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:33:38,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:33:38,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:33:38,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:33:38,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:33:38,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:33:38,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:33:38,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:33:38,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:33:38,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:33:38,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:33:38,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:33:38,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:33:38,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:33:38,737 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:33:38,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:33:38,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:33:38,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:33:38,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:33:38,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:33:38,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:33:38,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:33:38,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:38,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:33:38,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:33:38,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:33:38,745 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:33:38,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:33:38,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 [2024-11-08 22:33:39,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:33:39,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:33:39,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:33:39,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:33:39,154 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:33:39,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i Unable to find full path for "g++" [2024-11-08 22:33:41,183 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:33:41,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:33:41,602 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i [2024-11-08 22:33:41,643 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data/52159067f/78a855de3c3d476cac4caf03d33fce46/FLAG3d010e2ab [2024-11-08 22:33:41,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data/52159067f/78a855de3c3d476cac4caf03d33fce46 [2024-11-08 22:33:41,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:33:41,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:33:41,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:41,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:33:41,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:33:41,691 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:41" (1/1) ... [2024-11-08 22:33:41,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a15e76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:41, skipping insertion in model container [2024-11-08 22:33:41,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:41" (1/1) ... [2024-11-08 22:33:41,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:33:43,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:43,090 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:33:43,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:43,384 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:33:43,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43 WrapperNode [2024-11-08 22:33:43,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:43,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:43,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:33:43,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:33:43,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,446 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-08 22:33:43,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:43,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:33:43,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:33:43,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:33:43,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,496 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:33:43,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:33:43,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:33:43,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:33:43,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:43" (1/1) ... [2024-11-08 22:33:43,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:43,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:33:43,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:33:43,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:33:43,592 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:33:43,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:33:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:33:43,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:33:43,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:33:43,789 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:33:43,792 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:33:44,052 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 22:33:44,052 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:33:44,410 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:33:44,410 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:33:44,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:44 BoogieIcfgContainer [2024-11-08 22:33:44,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:33:44,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:33:44,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:33:44,424 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:33:44,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:44" (1/1) ... [2024-11-08 22:33:44,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:33:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:33:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:33:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:33:44,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:44,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:33:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:44,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:33:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:45,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:33:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:45,266 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:33:45,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:33:45 ImpRootNode [2024-11-08 22:33:45,307 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:33:45,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:33:45,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:33:45,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:33:45,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:44" (3/4) ... [2024-11-08 22:33:45,316 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:33:45,317 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:33:45,321 INFO L158 Benchmark]: Toolchain (without parser) took 3640.06ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 110.9MB in the beginning and 93.6MB in the end (delta: 17.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-11-08 22:33:45,321 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:45,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1703.17ms. Allocated memory is still 144.7MB. Free memory was 110.9MB in the beginning and 90.2MB in the end (delta: 20.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-08 22:33:45,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.06ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 87.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:33:45,323 INFO L158 Benchmark]: Boogie Preprocessor took 50.77ms. Allocated memory is still 144.7MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 934.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:45,325 INFO L158 Benchmark]: RCFGBuilder took 907.89ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 86.1MB in the beginning and 134.5MB in the end (delta: -48.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2024-11-08 22:33:45,327 INFO L158 Benchmark]: CodeCheck took 895.57ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 93.6MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-08 22:33:45,327 INFO L158 Benchmark]: Witness Printer took 9.11ms. Allocated memory is still 174.1MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:45,332 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: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567, overapproximation of bitwiseOr at line 1554. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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 0.36ms. Allocated memory is still 113.2MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1703.17ms. Allocated memory is still 144.7MB. Free memory was 110.9MB in the beginning and 90.2MB in the end (delta: 20.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.06ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 87.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.77ms. Allocated memory is still 144.7MB. Free memory was 87.0MB in the beginning and 86.1MB in the end (delta: 934.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 907.89ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 86.1MB in the beginning and 134.5MB in the end (delta: -48.4MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. * CodeCheck took 895.57ms. Allocated memory is still 174.1MB. Free memory was 134.5MB in the beginning and 93.6MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Witness Printer took 9.11ms. Allocated memory is still 174.1MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:33:45,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk --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 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:33:47,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:33:48,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:33:48,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:33:48,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:33:48,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:33:48,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:33:48,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:33:48,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:33:48,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:33:48,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:33:48,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:33:48,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:33:48,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:33:48,145 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:33:48,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:33:48,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:33:48,147 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:33:48,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:33:48,148 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:33:48,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:33:48,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:33:48,152 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:33:48,153 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:33:48,153 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:33:48,153 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:48,154 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:33:48,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:33:48,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:48,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:33:48,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:33:48,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:33:48,160 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:33:48,160 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:48,160 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:33:48,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610cb94f3bf6991d1f764f7949e8baea376a1407d408d5dfdf262b9107a77232 [2024-11-08 22:33:48,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:33:48,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:33:48,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:33:48,699 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:33:48,701 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:33:48,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i Unable to find full path for "g++" [2024-11-08 22:33:50,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:33:51,390 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:33:51,391 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_09_bad.i [2024-11-08 22:33:51,422 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data/4729ade2f/927627d3706c402cb6d38cd80d5deb6e/FLAGe4cf72ee4 [2024-11-08 22:33:51,560 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/data/4729ade2f/927627d3706c402cb6d38cd80d5deb6e [2024-11-08 22:33:51,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:33:51,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:33:51,565 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:51,565 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:33:51,570 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:33:51,570 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:51" (1/1) ... [2024-11-08 22:33:51,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e2d074a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:51, skipping insertion in model container [2024-11-08 22:33:51,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:33:51" (1/1) ... [2024-11-08 22:33:51,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:33:52,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:52,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:33:52,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:33:53,049 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:33:53,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53 WrapperNode [2024-11-08 22:33:53,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:33:53,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:53,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:33:53,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:33:53,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,111 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-08 22:33:53,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:33:53,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:33:53,114 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:33:53,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:33:53,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:33:53,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:33:53,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:33:53,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:33:53,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:33:53,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:33:53,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:33:53,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:33:53,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:33:53,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:33:53,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:33:53,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:33:53,453 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:33:53,457 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:33:53,657 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 22:33:53,658 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:33:53,801 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:33:53,801 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:33:53,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:53 BoogieIcfgContainer [2024-11-08 22:33:53,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:33:53,803 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:33:53,803 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:33:53,814 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:33:53,814 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:53" (1/1) ... [2024-11-08 22:33:53,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:33:53,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:33:53,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:33:53,916 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:33:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:33:53,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:33:53,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:33:53,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:33:53,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:33:53,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:33:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:54,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:33:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:54,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:33:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:33:54,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:33:54,367 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:33:54,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:33:54 ImpRootNode [2024-11-08 22:33:54,408 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:33:54,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:33:54,410 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:33:54,410 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:33:54,411 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:33:53" (3/4) ... [2024-11-08 22:33:54,416 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:33:54,417 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:33:54,418 INFO L158 Benchmark]: Toolchain (without parser) took 2854.31ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 53.0MB in the end (delta: -11.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-08 22:33:54,419 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:54,420 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1485.13ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 41.8MB in the beginning and 65.4MB in the end (delta: -23.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-08 22:33:54,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.13ms. Allocated memory is still 94.4MB. Free memory was 65.4MB in the beginning and 62.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:33:54,423 INFO L158 Benchmark]: Boogie Preprocessor took 60.68ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 60.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:33:54,423 INFO L158 Benchmark]: RCFGBuilder took 628.05ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 41.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:33:54,424 INFO L158 Benchmark]: CodeCheck took 605.31ms. Allocated memory is still 94.4MB. Free memory was 41.3MB in the beginning and 53.0MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:54,425 INFO L158 Benchmark]: Witness Printer took 8.64ms. Allocated memory is still 94.4MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:33:54,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] 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 0.25ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1485.13ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 41.8MB in the beginning and 65.4MB in the end (delta: -23.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.13ms. Allocated memory is still 94.4MB. Free memory was 65.4MB in the beginning and 62.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.68ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 60.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.05ms. Allocated memory is still 94.4MB. Free memory was 60.6MB in the beginning and 41.3MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 605.31ms. Allocated memory is still 94.4MB. Free memory was 41.3MB in the beginning and 53.0MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.64ms. Allocated memory is still 94.4MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:33:54,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10eefcf9-b388-4546-b7cd-4e13bbe911ea/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample