./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm --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 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:22:40,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:22:41,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:22:41,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:22:41,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:22:41,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:22:41,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:22:41,099 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:22:41,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:22:41,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:22:41,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:22:41,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:22:41,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:22:41,104 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:22:41,104 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:22:41,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:22:41,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:22:41,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:41,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:22:41,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:22:41,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:22:41,105 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:22:41,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:22:41,105 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm 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 -> 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 [2024-11-13 21:22:41,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:22:41,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:22:41,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:22:41,534 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:22:41,534 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:22:41,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i Unable to find full path for "g++" [2024-11-13 21:22:43,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:22:43,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:22:43,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i [2024-11-13 21:22:43,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data/5bd449db5/14af442fa3134cb28ba4ca2500521b24/FLAGa5bcc2443 [2024-11-13 21:22:44,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data/5bd449db5/14af442fa3134cb28ba4ca2500521b24 [2024-11-13 21:22:44,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:22:44,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:22:44,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:44,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:22:44,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:22:44,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:44" (1/1) ... [2024-11-13 21:22:44,019 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22811542 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:44, skipping insertion in model container [2024-11-13 21:22:44,019 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:44" (1/1) ... [2024-11-13 21:22:44,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:22:45,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:45,154 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:22:45,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:45,433 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:22:45,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45 WrapperNode [2024-11-13 21:22:45,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:45,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:45,435 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:22:45,435 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:22:45,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,485 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-13 21:22:45,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:45,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:22:45,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:22:45,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:22:45,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:22:45,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:22:45,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:22:45,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:22:45,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:45" (1/1) ... [2024-11-13 21:22:45,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:45,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:22:45,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:22:45,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:22:45,600 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:22:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:22:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:22:45,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:22:45,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:22:45,818 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:22:45,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:22:46,148 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 21:22:46,149 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:22:46,470 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:22:46,471 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:22:46,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:46 BoogieIcfgContainer [2024-11-13 21:22:46,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:22:46,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:22:46,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:22:46,484 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:22:46,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:46" (1/1) ... [2024-11-13 21:22:46,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:22:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:46,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:22:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:22:46,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:22:46,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:46,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:46,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:22:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:47,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:22:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:47,289 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:22:47,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:22:47 ImpRootNode [2024-11-13 21:22:47,335 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:22:47,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:22:47,335 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:22:47,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:22:47,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:46" (3/4) ... [2024-11-13 21:22:47,341 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:22:47,342 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:22:47,343 INFO L158 Benchmark]: Toolchain (without parser) took 3335.23ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 46.7MB in the end (delta: 42.2MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2024-11-13 21:22:47,346 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:47,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1424.41ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 82.0MB in the end (delta: 6.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:22:47,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.18ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 79.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:22:47,347 INFO L158 Benchmark]: Boogie Preprocessor took 25.68ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:47,349 INFO L158 Benchmark]: RCFGBuilder took 958.63ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 41.0MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:22:47,350 INFO L158 Benchmark]: CodeCheck took 862.64ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 46.7MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:47,350 INFO L158 Benchmark]: Witness Printer took 6.57ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:47,356 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1562, overapproximation of bitwiseOr at line 1552. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] --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 0.50ms. Allocated memory is still 83.9MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1424.41ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 82.0MB in the end (delta: 6.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.18ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 79.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.68ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 958.63ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 41.0MB in the end (delta: 36.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 862.64ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 46.7MB in the end (delta: -5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.57ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 7.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:22:47,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm --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 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:22:50,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:22:50,535 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:22:50,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:22:50,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:22:50,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:22:50,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:22:50,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:22:50,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:22:50,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:22:50,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:22:50,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:22:50,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:22:50,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:22:50,577 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:22:50,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:22:50,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:22:50,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:50,578 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:22:50,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:22:50,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:50,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:22:50,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:22:50,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:22:50,579 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:22:50,579 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:50,579 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:22:50,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm 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 -> 17247b2da04193b56d03093b99ba117a04871cc4a2947503ed889a6135af0678 [2024-11-13 21:22:50,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:22:50,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:22:50,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:22:50,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:22:50,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:22:50,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i Unable to find full path for "g++" [2024-11-13 21:22:53,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:22:53,556 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:22:53,557 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_01_bad.i [2024-11-13 21:22:53,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data/93ad10603/294fc8d8637d4855a67986847d82db78/FLAG60bce2222 [2024-11-13 21:22:53,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/data/93ad10603/294fc8d8637d4855a67986847d82db78 [2024-11-13 21:22:53,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:22:53,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:22:53,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:53,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:22:53,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:22:53,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:53" (1/1) ... [2024-11-13 21:22:53,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51131377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:53, skipping insertion in model container [2024-11-13 21:22:53,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:22:53" (1/1) ... [2024-11-13 21:22:53,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:22:55,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:55,104 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:22:55,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:22:55,516 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:22:55,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55 WrapperNode [2024-11-13 21:22:55,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:22:55,518 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:55,518 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:22:55,518 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:22:55,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,597 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-13 21:22:55,598 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:22:55,598 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:22:55,599 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:22:55,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:22:55,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,617 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,649 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:22:55,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:22:55,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:22:55,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:22:55,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:22:55" (1/1) ... [2024-11-13 21:22:55,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:22:55,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:22:55,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:22:55,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:22:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:22:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:22:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:22:55,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:22:55,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:22:55,936 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:22:55,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:22:56,101 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 21:22:56,101 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:22:56,171 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:22:56,171 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:22:56,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:56 BoogieIcfgContainer [2024-11-13 21:22:56,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:22:56,173 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:22:56,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:22:56,199 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:22:56,200 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:56" (1/1) ... [2024-11-13 21:22:56,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:22:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:56,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:22:56,282 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:22:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:22:56,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:56,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:22:56,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:22:56,296 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:22:56,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:22:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:56,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:22:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:56,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:22:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:22:56,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:22:56,724 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:22:56,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:22:56 ImpRootNode [2024-11-13 21:22:56,764 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:22:56,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:22:56,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:22:56,766 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:22:56,769 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:22:56" (3/4) ... [2024-11-13 21:22:56,773 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:22:56,774 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:22:56,775 INFO L158 Benchmark]: Toolchain (without parser) took 3128.91ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 39.5MB in the end (delta: 17.2MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-11-13 21:22:56,776 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:56,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1868.81ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 21:22:56,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.14ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:56,780 INFO L158 Benchmark]: Boogie Preprocessor took 60.74ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:56,780 INFO L158 Benchmark]: RCFGBuilder took 512.41ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:22:56,781 INFO L158 Benchmark]: CodeCheck took 591.11ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 39.9MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:56,781 INFO L158 Benchmark]: Witness Printer took 8.56ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 39.5MB in the end (delta: 423.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:22:56,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: 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 1562. 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_predec_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] --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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1868.81ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.14ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.74ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.41ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 591.11ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 39.9MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.56ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 39.5MB in the end (delta: 423.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:22:56,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09ee3856-e4ea-49f2-9af3-21e4319c78df/bin/ukojak-verify-EEHR8qb7sm/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