./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_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_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/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_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/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_3dc97405-6f07-463e-aa81-10646b5fb565/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:29,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:29,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:27:29,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:27:29,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:27:29,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:29,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:29,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:29,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:29,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:29,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:29,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:29,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:27:29,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:29,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:29,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:29,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:29,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:29,279 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:27:29,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:27:29,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:29,284 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:29,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:29,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:29,285 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:29,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:29,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:29,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:29,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:29,286 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:29,287 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:27:29,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:27:29,291 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_3dc97405-6f07-463e-aa81-10646b5fb565/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2024-11-08 19:27:29,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:29,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:29,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:29,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:29,727 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:29,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i Unable to find full path for "g++" [2024-11-08 19:27:32,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:32,703 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:32,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-08 19:27:32,734 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data/8f546c635/ba84c5826d384225b0349e94eb266b3c/FLAG60345c861 [2024-11-08 19:27:32,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data/8f546c635/ba84c5826d384225b0349e94eb266b3c [2024-11-08 19:27:32,764 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:32,766 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:32,769 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:32,769 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:32,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:32,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:32" (1/1) ... [2024-11-08 19:27:32,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6ba57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:32, skipping insertion in model container [2024-11-08 19:27:32,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:32" (1/1) ... [2024-11-08 19:27:32,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:34,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:34,317 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:27:34,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:34,686 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:27:34,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34 WrapperNode [2024-11-08 19:27:34,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:34,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:34,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:27:34,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:27:34,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,753 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 19:27:34,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:34,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:27:34,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:27:34,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:27:34,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:27:34,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:27:34,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:27:34,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:27:34,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:34" (1/1) ... [2024-11-08 19:27:34,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:34,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:27:34,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:27:34,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:27:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:27:34,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:27:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:27:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:27:34,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:27:35,168 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:27:35,171 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:27:35,348 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 19:27:35,348 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:27:35,394 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:27:35,394 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:27:35,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:35 BoogieIcfgContainer [2024-11-08 19:27:35,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:27:35,396 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:27:35,396 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:27:35,411 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:27:35,411 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:35" (1/1) ... [2024-11-08 19:27:35,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:35,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 19:27:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 19:27:35,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:27:35,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:35,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:35,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:35,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:35,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:35,836 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:27:35,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:35 ImpRootNode [2024-11-08 19:27:35,870 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:35,871 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:35,871 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:35,872 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:35,873 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:35" (3/4) ... [2024-11-08 19:27:35,876 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:27:35,878 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:35,881 INFO L158 Benchmark]: Toolchain (without parser) took 3114.36ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 54.1MB in the end (delta: 54.7MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:35,881 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:35,882 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1919.58ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 87.5MB in the end (delta: 21.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-11-08 19:27:35,884 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.53ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 84.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:35,885 INFO L158 Benchmark]: Boogie Preprocessor took 28.11ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:35,885 INFO L158 Benchmark]: RCFGBuilder took 611.90ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 68.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:27:35,886 INFO L158 Benchmark]: CodeCheck took 473.99ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 54.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:27:35,886 INFO L158 Benchmark]: Witness Printer took 8.76ms. Allocated memory is still 142.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:35,890 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.42ms. Allocated memory is still 117.4MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1919.58ms. Allocated memory is still 142.6MB. Free memory was 108.7MB in the beginning and 87.5MB in the end (delta: 21.1MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.53ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 84.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.11ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 83.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 611.90ms. Allocated memory is still 142.6MB. Free memory was 83.0MB in the beginning and 68.8MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 473.99ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 54.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.76ms. Allocated memory is still 142.6MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:27:35,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/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 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_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/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_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/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_3dc97405-6f07-463e-aa81-10646b5fb565/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 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:38,993 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:39,108 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:27:39,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:39,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:39,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:39,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:39,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:39,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:39,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:39,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:39,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:39,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:39,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:39,176 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:27:39,176 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:27:39,177 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:39,177 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:27:39,177 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:27:39,178 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:27:39,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:39,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:39,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:39,184 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:39,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:39,184 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:39,185 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:27:39,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:39,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:39,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:39,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:39,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:39,189 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:27:39,190 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:39,191 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:27:39,192 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_3dc97405-6f07-463e-aa81-10646b5fb565/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 674cb149f287377c7f66e5c4b6c52f643b741e339fa3a007c8d7b05a9acc5ce2 [2024-11-08 19:27:39,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:39,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:39,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:39,702 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:39,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:39,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i Unable to find full path for "g++" [2024-11-08 19:27:42,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:42,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:42,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_21_bad.i [2024-11-08 19:27:42,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data/fa3bd960a/ff05bfddc28a4c79b2c24c3d4a50496d/FLAG018c041bd [2024-11-08 19:27:42,484 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/data/fa3bd960a/ff05bfddc28a4c79b2c24c3d4a50496d [2024-11-08 19:27:42,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:42,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:42,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:42,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:42,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:42,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:42" (1/1) ... [2024-11-08 19:27:42,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41241c27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:42, skipping insertion in model container [2024-11-08 19:27:42,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:42" (1/1) ... [2024-11-08 19:27:42,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:43,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:43,811 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:27:43,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:44,102 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:27:44,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44 WrapperNode [2024-11-08 19:27:44,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:44,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:44,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:27:44,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:27:44,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,175 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 44 [2024-11-08 19:27:44,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:44,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:27:44,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:27:44,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:27:44,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,200 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,204 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:27:44,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:27:44,211 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:27:44,211 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:27:44,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:44,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:27:44,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:27:44,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:27:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:27:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:27:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:27:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:27:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:27:44,500 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:27:44,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:27:44,660 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 19:27:44,661 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:27:44,713 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:27:44,713 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:27:44,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:44 BoogieIcfgContainer [2024-11-08 19:27:44,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:27:44,715 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:27:44,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:27:44,730 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:27:44,730 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:44" (1/1) ... [2024-11-08 19:27:44,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:44,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 19:27:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 19:27:44,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:27:44,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:44,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:27:44,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:27:44,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:27:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:45,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:45,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:45,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:27:45,219 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:27:45,265 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:45 ImpRootNode [2024-11-08 19:27:45,267 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:45,268 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:45,268 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:45,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:45,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:44" (3/4) ... [2024-11-08 19:27:45,295 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:27:45,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:45,297 INFO L158 Benchmark]: Toolchain (without parser) took 2807.51ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 53.2MB in the beginning and 71.3MB in the end (delta: -18.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:45,298 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:45,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1611.12ms. Allocated memory is still 81.8MB. Free memory was 53.0MB in the beginning and 41.2MB in the end (delta: 11.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-11-08 19:27:45,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.89ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 38.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:45,300 INFO L158 Benchmark]: Boogie Preprocessor took 33.12ms. Allocated memory is still 81.8MB. Free memory was 38.4MB in the beginning and 36.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:45,302 INFO L158 Benchmark]: RCFGBuilder took 503.73ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 36.3MB in the beginning and 59.4MB in the end (delta: -23.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:27:45,302 INFO L158 Benchmark]: CodeCheck took 552.55ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 45.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:27:45,303 INFO L158 Benchmark]: Witness Printer took 28.04ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 71.3MB in the end (delta: -25.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:45,307 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: 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 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_min_multiply_21_bad() [L1562] int data; [L1563] data = 0 [L1564] data = (-0x7fffffff - 1) [L1565] badStatic = 1 [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.65ms. Allocated memory is still 62.9MB. Free memory was 39.8MB in the beginning and 39.7MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1611.12ms. Allocated memory is still 81.8MB. Free memory was 53.0MB in the beginning and 41.2MB in the end (delta: 11.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.89ms. Allocated memory is still 81.8MB. Free memory was 41.2MB in the beginning and 38.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.12ms. Allocated memory is still 81.8MB. Free memory was 38.4MB in the beginning and 36.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.73ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 36.3MB in the beginning and 59.4MB in the end (delta: -23.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 552.55ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 45.7MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 28.04ms. Allocated memory is still 100.7MB. Free memory was 45.7MB in the beginning and 71.3MB in the end (delta: -25.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:27:45,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dc97405-6f07-463e-aa81-10646b5fb565/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample