./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/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_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/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_27cb6c77-c0c0-4419-993f-6811f3f0388b/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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:55:05,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:55:05,240 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:55:05,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:55:05,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:55:05,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:55:05,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:55:05,277 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:55:05,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:55:05,279 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:55:05,279 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:55:05,279 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:55:05,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:55:05,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:55:05,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:55:05,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:55:05,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:55:05,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:55:05,287 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:55:05,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:55:05,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:55:05,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:55:05,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:55:05,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:55:05,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:55:05,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:55:05,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:55:05,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:55:05,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:55:05,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:55:05,292 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:55:05,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:55:05,293 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_27cb6c77-c0c0-4419-993f-6811f3f0388b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2024-11-09 00:55:05,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:55:05,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:55:05,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:55:05,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:55:05,609 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:55:05,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i Unable to find full path for "g++" [2024-11-09 00:55:07,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:55:08,051 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:55:08,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2024-11-09 00:55:08,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data/c5c23ac99/b584e31d8c0940f1a8c331df4ceb736b/FLAG217575c48 [2024-11-09 00:55:08,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data/c5c23ac99/b584e31d8c0940f1a8c331df4ceb736b [2024-11-09 00:55:08,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:55:08,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:55:08,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:08,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:55:08,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:55:08,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:08" (1/1) ... [2024-11-09 00:55:08,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f517ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:08, skipping insertion in model container [2024-11-09 00:55:08,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:08" (1/1) ... [2024-11-09 00:55:08,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:55:09,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:09,564 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:55:09,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:09,885 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:55:09,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09 WrapperNode [2024-11-09 00:55:09,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:09,887 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:09,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:55:09,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:55:09,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,951 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2024-11-09 00:55:09,952 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:09,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:55:09,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:55:09,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:55:09,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:55:09,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:55:09,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:55:09,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:55:09,985 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:09" (1/1) ... [2024-11-09 00:55:09,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:55:10,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:55:10,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:55:10,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:55:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:55:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:55:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:55:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:55:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:55:10,220 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:55:10,221 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:55:10,465 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-09 00:55:10,465 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:55:10,758 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:55:10,759 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:55:10,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:10 BoogieIcfgContainer [2024-11-09 00:55:10,759 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:55:10,760 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:55:10,760 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:55:10,771 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:55:10,771 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:10" (1/1) ... [2024-11-09 00:55:10,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:55:10,850 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:55:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:55:10,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:11,088 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:55:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:11,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:55:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:11,362 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:55:11,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:55:11 ImpRootNode [2024-11-09 00:55:11,396 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:55:11,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:55:11,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:55:11,399 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:55:11,400 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:10" (3/4) ... [2024-11-09 00:55:11,403 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:55:11,404 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:55:11,406 INFO L158 Benchmark]: Toolchain (without parser) took 3142.60ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 88.9MB in the beginning and 76.6MB in the end (delta: 12.4MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2024-11-09 00:55:11,407 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 130.0MB. Free memory was 77.5MB in the beginning and 77.3MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:11,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.77ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 88.9MB in the beginning and 107.6MB in the end (delta: -18.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-09 00:55:11,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.92ms. Allocated memory is still 178.3MB. Free memory was 107.6MB in the beginning and 104.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:55:11,411 INFO L158 Benchmark]: Boogie Preprocessor took 29.57ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 102.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:55:11,412 INFO L158 Benchmark]: RCFGBuilder took 776.01ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 112.2MB in the end (delta: -9.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-09 00:55:11,412 INFO L158 Benchmark]: CodeCheck took 636.28ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 76.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:55:11,413 INFO L158 Benchmark]: Witness Printer took 8.26ms. Allocated memory is still 178.3MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:11,418 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: 0.6s, 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570, overapproximation of bitwiseOr at line 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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)) [L1557] COND TRUE 1 [L1560] data-- 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 130.0MB. Free memory was 77.5MB in the beginning and 77.3MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.77ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 88.9MB in the beginning and 107.6MB in the end (delta: -18.7MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.92ms. Allocated memory is still 178.3MB. Free memory was 107.6MB in the beginning and 104.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.57ms. Allocated memory is still 178.3MB. Free memory was 104.7MB in the beginning and 102.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 776.01ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 112.2MB in the end (delta: -9.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * CodeCheck took 636.28ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 76.6MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 8.26ms. Allocated memory is still 178.3MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:55:11,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/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_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/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_27cb6c77-c0c0-4419-993f-6811f3f0388b/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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:55:13,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:55:14,055 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:55:14,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:55:14,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:55:14,101 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:55:14,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:55:14,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:55:14,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:55:14,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:55:14,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:55:14,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:55:14,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:55:14,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:55:14,111 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:55:14,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:55:14,112 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:55:14,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:55:14,113 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:55:14,113 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:55:14,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:55:14,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:55:14,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:55:14,119 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:55:14,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:55:14,119 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:14,120 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:55:14,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:55:14,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:55:14,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:55:14,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:55:14,122 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:55:14,123 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:55:14,124 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:14,124 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:55:14,124 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_27cb6c77-c0c0-4419-993f-6811f3f0388b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2024-11-09 00:55:14,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:55:14,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:55:14,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:55:14,565 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:55:14,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:55:14,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i Unable to find full path for "g++" [2024-11-09 00:55:16,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:55:17,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:55:17,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2024-11-09 00:55:17,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data/cf3a77543/82b44246fbee48ada682007a9bc3be83/FLAG61dd6b5fb [2024-11-09 00:55:17,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/data/cf3a77543/82b44246fbee48ada682007a9bc3be83 [2024-11-09 00:55:17,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:55:17,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:55:17,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:17,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:55:17,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:55:17,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:17" (1/1) ... [2024-11-09 00:55:17,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45bbd8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:17, skipping insertion in model container [2024-11-09 00:55:17,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:55:17" (1/1) ... [2024-11-09 00:55:17,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:55:18,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:18,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:55:18,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:55:18,830 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:55:18,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18 WrapperNode [2024-11-09 00:55:18,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:55:18,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:18,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:55:18,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:55:18,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,893 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-09 00:55:18,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:55:18,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:55:18,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:55:18,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:55:18,904 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:55:18,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:55:18,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:55:18,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:55:18,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:55:18" (1/1) ... [2024-11-09 00:55:18,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:55:18,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:55:18,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:55:19,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:55:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:55:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:55:19,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:55:19,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:55:19,248 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:55:19,251 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:55:19,414 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-09 00:55:19,414 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:55:19,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:55:19,532 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:55:19,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:19 BoogieIcfgContainer [2024-11-09 00:55:19,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:55:19,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:55:19,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:55:19,547 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:55:19,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:19" (1/1) ... [2024-11-09 00:55:19,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:55:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:19,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:55:19,628 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:55:19,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:55:19,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:19,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:55:19,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:55:19,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:55:19,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:55:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:19,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:55:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:20,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:55:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:55:20,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:55:20,107 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:55:20,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:55:20 ImpRootNode [2024-11-09 00:55:20,145 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:55:20,146 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:55:20,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:55:20,146 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:55:20,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:55:19" (3/4) ... [2024-11-09 00:55:20,151 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:55:20,152 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:55:20,153 INFO L158 Benchmark]: Toolchain (without parser) took 2789.98ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.2MB in the beginning and 64.3MB in the end (delta: -20.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-11-09 00:55:20,154 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:20,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1466.02ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 48.7MB in the end (delta: -4.7MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-11-09 00:55:20,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.40ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 45.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:55:20,157 INFO L158 Benchmark]: Boogie Preprocessor took 64.20ms. Allocated memory is still 100.7MB. Free memory was 45.3MB in the beginning and 71.7MB in the end (delta: -26.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-09 00:55:20,158 INFO L158 Benchmark]: RCFGBuilder took 574.24ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 52.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:55:20,159 INFO L158 Benchmark]: CodeCheck took 611.47ms. Allocated memory is still 100.7MB. Free memory was 52.8MB in the beginning and 64.3MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:20,160 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 100.7MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:55:20,165 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] 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) [L1570] 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] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [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)) [L1557] COND TRUE 1 [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1466.02ms. Allocated memory was 71.3MB in the beginning and 100.7MB in the end (delta: 29.4MB). Free memory was 44.0MB in the beginning and 48.7MB in the end (delta: -4.7MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.40ms. Allocated memory is still 100.7MB. Free memory was 48.7MB in the beginning and 45.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.20ms. Allocated memory is still 100.7MB. Free memory was 45.3MB in the beginning and 71.7MB in the end (delta: -26.4MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * RCFGBuilder took 574.24ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 52.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 611.47ms. Allocated memory is still 100.7MB. Free memory was 52.8MB in the beginning and 64.3MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 100.7MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:55:20,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27cb6c77-c0c0-4419-993f-6811f3f0388b/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