./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_14_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_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/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_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/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_8550fa89-87ae-4b26-aa21-a754f60ae30b/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 99d41cb603c18a95cc247432c912a3dee8e22c96b2c1b135e9bca94af9f2f270 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:53:25,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:53:26,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:53:26,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:53:26,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:53:26,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:53:26,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:53:26,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:53:26,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:53:26,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:53:26,204 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:53:26,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:53:26,205 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:53:26,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:53:26,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:53:26,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:53:26,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:53:26,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:53:26,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:53:26,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:53:26,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:53:26,216 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:53:26,216 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:53:26,217 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:53:26,217 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:53:26,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:53:26,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:53:26,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:53:26,219 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:53:26,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:53:26,220 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:53:26,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:53:26,221 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_8550fa89-87ae-4b26-aa21-a754f60ae30b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99d41cb603c18a95cc247432c912a3dee8e22c96b2c1b135e9bca94af9f2f270 [2024-11-08 23:53:26,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:53:26,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:53:26,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:53:26,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:53:26,650 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:53:26,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_14_bad.i Unable to find full path for "g++" [2024-11-08 23:53:28,934 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:53:29,430 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:53:29,433 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_14_bad.i [2024-11-08 23:53:29,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data/4fb6badc7/25f23fbea3a8455fbbb648b1f90d383c/FLAG7b58c260e [2024-11-08 23:53:29,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data/4fb6badc7/25f23fbea3a8455fbbb648b1f90d383c [2024-11-08 23:53:29,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:53:29,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:53:29,510 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:29,510 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:53:29,517 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:53:29,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:29" (1/1) ... [2024-11-08 23:53:29,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@787fb106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:29, skipping insertion in model container [2024-11-08 23:53:29,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:29" (1/1) ... [2024-11-08 23:53:29,619 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:53:30,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:30,995 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:53:31,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:31,270 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:53:31,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31 WrapperNode [2024-11-08 23:53:31,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:31,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:31,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:53:31,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:53:31,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,347 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-08 23:53:31,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:31,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:53:31,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:53:31,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:53:31,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,381 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:53:31,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:53:31,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:53:31,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:53:31,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:31" (1/1) ... [2024-11-08 23:53:31,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:53:31,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:53:31,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:53:31,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:53:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:53:31,475 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:53:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:53:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:53:31,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:53:31,663 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:53:31,666 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:53:31,910 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 23:53:31,910 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:53:32,237 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:53:32,237 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:53:32,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:32 BoogieIcfgContainer [2024-11-08 23:53:32,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:53:32,239 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:53:32,239 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:53:32,259 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:53:32,260 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:32" (1/1) ... [2024-11-08 23:53:32,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:53:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:53:32,366 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:53:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:53:32,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:32,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:32,801 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:33,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:33,099 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:53:33,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:53:33 ImpRootNode [2024-11-08 23:53:33,143 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:53:33,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:53:33,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:53:33,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:53:33,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:32" (3/4) ... [2024-11-08 23:53:33,151 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:53:33,153 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:53:33,154 INFO L158 Benchmark]: Toolchain (without parser) took 3646.11ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 77.9MB in the end (delta: 41.7MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-11-08 23:53:33,157 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:33,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1761.03ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 107.0MB in the end (delta: 12.1MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2024-11-08 23:53:33,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.39ms. Allocated memory is still 153.1MB. Free memory was 107.0MB in the beginning and 104.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:33,162 INFO L158 Benchmark]: Boogie Preprocessor took 33.05ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:33,163 INFO L158 Benchmark]: RCFGBuilder took 855.86ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 60.1MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 23:53:33,164 INFO L158 Benchmark]: CodeCheck took 903.68ms. Allocated memory is still 153.1MB. Free memory was 60.1MB in the beginning and 77.9MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:33,165 INFO L158 Benchmark]: Witness Printer took 9.46ms. Allocated memory is still 153.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:33,171 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1761.03ms. Allocated memory is still 153.1MB. Free memory was 119.1MB in the beginning and 107.0MB in the end (delta: 12.1MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.39ms. Allocated memory is still 153.1MB. Free memory was 107.0MB in the beginning and 104.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.05ms. Allocated memory is still 153.1MB. Free memory was 104.1MB in the beginning and 102.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 855.86ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 60.1MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 903.68ms. Allocated memory is still 153.1MB. Free memory was 60.1MB in the beginning and 77.9MB in the end (delta: -17.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.46ms. Allocated memory is still 153.1MB. Free memory is still 77.9MB. 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 23:53:33,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/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_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/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_8550fa89-87ae-4b26-aa21-a754f60ae30b/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 99d41cb603c18a95cc247432c912a3dee8e22c96b2c1b135e9bca94af9f2f270 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:53:36,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:53:36,203 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:53:36,261 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:53:36,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:53:36,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:53:36,267 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:53:36,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:53:36,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:53:36,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:53:36,273 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:53:36,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:53:36,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:53:36,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:53:36,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:53:36,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:53:36,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:53:36,277 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:53:36,277 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:53:36,278 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:53:36,278 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:53:36,283 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:53:36,283 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:53:36,284 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:53:36,284 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:53:36,285 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:36,285 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:53:36,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:53:36,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:53:36,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:53:36,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:53:36,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:53:36,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:53:36,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:36,294 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:53:36,295 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_8550fa89-87ae-4b26-aa21-a754f60ae30b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99d41cb603c18a95cc247432c912a3dee8e22c96b2c1b135e9bca94af9f2f270 [2024-11-08 23:53:36,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:53:36,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:53:36,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:53:36,859 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:53:36,860 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:53:36,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_14_bad.i Unable to find full path for "g++" [2024-11-08 23:53:39,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:53:39,903 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:53:39,903 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_14_bad.i [2024-11-08 23:53:39,945 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data/f3f11a10d/1beae32e9acd4b0ab5e99530b3f486d8/FLAGba22d6dd9 [2024-11-08 23:53:39,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/data/f3f11a10d/1beae32e9acd4b0ab5e99530b3f486d8 [2024-11-08 23:53:39,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:53:39,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:53:39,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:39,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:53:39,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:53:39,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:39" (1/1) ... [2024-11-08 23:53:39,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665659d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:39, skipping insertion in model container [2024-11-08 23:53:39,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:53:39" (1/1) ... [2024-11-08 23:53:40,085 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:53:41,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:41,384 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:53:41,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:53:41,769 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:53:41,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41 WrapperNode [2024-11-08 23:53:41,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:53:41,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:41,772 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:53:41,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:53:41,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,812 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,840 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-08 23:53:41,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:53:41,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:53:41,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:53:41,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:53:41,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,874 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:53:41,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:53:41,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:53:41,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:53:41,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:53:41" (1/1) ... [2024-11-08 23:53:41,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:53:41,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:53:41,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:53:41,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:53:41,958 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:53:41,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:53:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:53:41,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:53:41,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:53:42,155 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:53:42,158 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:53:42,343 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 23:53:42,343 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:53:42,497 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:53:42,497 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:53:42,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:42 BoogieIcfgContainer [2024-11-08 23:53:42,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:53:42,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:53:42,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:53:42,518 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:53:42,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:42" (1/1) ... [2024-11-08 23:53:42,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:53:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 23:53:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 23:53:42,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:53:42,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:42,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:53:42,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:53:42,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:53:42,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:53:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:42,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:43,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:43,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:53:43,159 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:53:43,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:53:43 ImpRootNode [2024-11-08 23:53:43,199 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:53:43,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:53:43,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:53:43,202 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:53:43,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:53:42" (3/4) ... [2024-11-08 23:53:43,209 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:53:43,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:53:43,212 INFO L158 Benchmark]: Toolchain (without parser) took 3231.56ms. Allocated memory is still 119.5MB. Free memory was 91.1MB in the beginning and 70.3MB in the end (delta: 20.8MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-08 23:53:43,212 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:43,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1786.06ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 55.9MB in the end (delta: 34.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-08 23:53:43,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.59ms. Allocated memory is still 119.5MB. Free memory was 55.9MB in the beginning and 53.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:43,215 INFO L158 Benchmark]: Boogie Preprocessor took 36.71ms. Allocated memory is still 119.5MB. Free memory was 53.1MB in the beginning and 51.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:43,216 INFO L158 Benchmark]: RCFGBuilder took 619.04ms. Allocated memory is still 119.5MB. Free memory was 51.0MB in the beginning and 85.9MB in the end (delta: -34.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-11-08 23:53:43,217 INFO L158 Benchmark]: CodeCheck took 699.94ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 70.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:53:43,218 INFO L158 Benchmark]: Witness Printer took 9.39ms. Allocated memory is still 119.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:43,222 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1567. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1786.06ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 55.9MB in the end (delta: 34.8MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.59ms. Allocated memory is still 119.5MB. Free memory was 55.9MB in the beginning and 53.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.71ms. Allocated memory is still 119.5MB. Free memory was 53.1MB in the beginning and 51.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.04ms. Allocated memory is still 119.5MB. Free memory was 51.0MB in the beginning and 85.9MB in the end (delta: -34.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 699.94ms. Allocated memory is still 119.5MB. Free memory was 85.9MB in the beginning and 70.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 9.39ms. Allocated memory is still 119.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:53:43,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8550fa89-87ae-4b26-aa21-a754f60ae30b/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