./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_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_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/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_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/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_3f180cca-e009-4010-bc8e-bfeb46089c38/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 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:50:58,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:50:58,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:50:58,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:50:58,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:50:58,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:50:58,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:50:58,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:50:58,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:50:58,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:50:58,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:50:58,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:50:58,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:50:58,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:50:58,296 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:50:58,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:50:58,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:50:58,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:50:58,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:50:58,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:50:58,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:50:58,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:50:58,297 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:50:58,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:50:58,297 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_3f180cca-e009-4010-bc8e-bfeb46089c38/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 -> 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 [2024-11-13 20:50:58,638 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:50:58,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:50:58,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:50:58,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:50:58,657 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:50:58,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i Unable to find full path for "g++" [2024-11-13 20:51:00,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:01,110 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:01,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2024-11-13 20:51:01,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data/99a07b2fe/8ee6dc9250344934b516b704faecd1ee/FLAG684fd6d07 [2024-11-13 20:51:01,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data/99a07b2fe/8ee6dc9250344934b516b704faecd1ee [2024-11-13 20:51:01,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:01,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:01,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:01,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:01,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:01,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:01" (1/1) ... [2024-11-13 20:51:01,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dbdbb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:01, skipping insertion in model container [2024-11-13 20:51:01,176 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:01" (1/1) ... [2024-11-13 20:51:01,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:02,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:02,108 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:02,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:02,361 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:02,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02 WrapperNode [2024-11-13 20:51:02,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:02,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:02,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:02,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:02,370 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,390 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,423 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 20:51:02,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:02,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:02,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:02,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:02,435 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,442 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:02,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:02,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:02,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:02,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:02" (1/1) ... [2024-11-13 20:51:02,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:02,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:02,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:02,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:51:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:51:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:02,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:02,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:02,711 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:02,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:02,971 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:02,971 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:03,274 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:03,275 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:51:03,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:03 BoogieIcfgContainer [2024-11-13 20:51:03,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:03,276 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:03,276 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:03,288 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:03,289 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:03" (1/1) ... [2024-11-13 20:51:03,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:51:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:51:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:51:03,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:03,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:03,676 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:03,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:04,006 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:51:04,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:51:04 ImpRootNode [2024-11-13 20:51:04,039 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:51:04,041 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:51:04,042 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:51:04,042 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:51:04,042 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:03" (3/4) ... [2024-11-13 20:51:04,045 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:51:04,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:51:04,047 INFO L158 Benchmark]: Toolchain (without parser) took 2883.04ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 59.9MB in the end (delta: 29.5MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2024-11-13 20:51:04,048 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:04,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1197.22ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.5MB in the end (delta: 8.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 20:51:04,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.82ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:04,050 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:04,051 INFO L158 Benchmark]: RCFGBuilder took 824.35ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 35.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:51:04,052 INFO L158 Benchmark]: CodeCheck took 763.46ms. Allocated memory is still 117.4MB. Free memory was 35.4MB in the beginning and 59.9MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:04,052 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:04,055 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: 0.7s, 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 1568, 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_03_bad() [L1550] int data; [L1551] data = 0 [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)) [L1559] 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 1.10ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1197.22ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.5MB in the end (delta: 8.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.82ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 76.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 824.35ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 35.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 763.46ms. Allocated memory is still 117.4MB. Free memory was 35.4MB in the beginning and 59.9MB in the end (delta: -24.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 13.7kB). 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 20:51:04,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/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 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_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/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_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/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_3f180cca-e009-4010-bc8e-bfeb46089c38/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 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:51:06,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:51:06,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:51:06,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:51:06,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:51:06,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:51:06,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:51:06,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:51:06,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:51:06,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:51:06,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:51:06,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:51:06,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:51:06,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:51:06,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:51:06,856 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:51:06,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:06,857 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:51:06,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:51:06,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:06,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:51:06,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:51:06,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:51:06,858 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:51:06,858 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:06,859 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:51:06,859 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_3f180cca-e009-4010-bc8e-bfeb46089c38/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 -> 522547437ade5102b297c26d0e08e88f4325518c4b87db98494f4f792c4f8c56 [2024-11-13 20:51:07,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:51:07,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:51:07,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:51:07,152 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:51:07,153 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:51:07,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i Unable to find full path for "g++" [2024-11-13 20:51:09,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:51:09,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:51:09,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_03_bad.i [2024-11-13 20:51:09,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data/a1515cdd1/c99ab0f2ce744682a3bed41c82d3bdb6/FLAG32f3d4884 [2024-11-13 20:51:09,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/data/a1515cdd1/c99ab0f2ce744682a3bed41c82d3bdb6 [2024-11-13 20:51:09,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:51:09,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:51:09,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:09,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:51:09,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:51:09,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:09" (1/1) ... [2024-11-13 20:51:09,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dd1130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:09, skipping insertion in model container [2024-11-13 20:51:09,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:51:09" (1/1) ... [2024-11-13 20:51:09,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:51:10,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:10,647 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:51:10,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:51:10,939 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:51:10,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10 WrapperNode [2024-11-13 20:51:10,940 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:51:10,941 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:10,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:51:10,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:51:10,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,990 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 20:51:10,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:51:10,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:51:10,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:51:10,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:51:10,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:10,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:51:11,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:51:11,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:51:11,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:51:11,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:51:10" (1/1) ... [2024-11-13 20:51:11,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:51:11,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:51:11,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:51:11,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:51:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:51:11,078 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:51:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:51:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:51:11,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:51:11,245 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:51:11,247 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:51:11,359 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 20:51:11,360 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:51:11,476 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:51:11,478 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:51:11,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:11 BoogieIcfgContainer [2024-11-13 20:51:11,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:51:11,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:51:11,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:51:11,490 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:51:11,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:11" (1/1) ... [2024-11-13 20:51:11,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:51:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:51:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:51:11,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:51:11,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:11,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:11,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:11,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:11,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:51:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:11,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:11,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:51:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:51:12,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:51:12,013 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:51:12,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:51:12 ImpRootNode [2024-11-13 20:51:12,038 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:51:12,038 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:51:12,038 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:51:12,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:51:12,039 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:51:11" (3/4) ... [2024-11-13 20:51:12,042 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:51:12,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:51:12,044 INFO L158 Benchmark]: Toolchain (without parser) took 2450.81ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 39.4MB in the end (delta: 17.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-13 20:51:12,044 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:12,044 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1345.80ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 52.3MB in the end (delta: 4.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 20:51:12,045 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.34ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:12,045 INFO L158 Benchmark]: Boogie Preprocessor took 26.73ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:12,046 INFO L158 Benchmark]: RCFGBuilder took 460.36ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 30.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:51:12,046 INFO L158 Benchmark]: CodeCheck took 557.82ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 39.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:12,050 INFO L158 Benchmark]: Witness Printer took 4.66ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.4MB in the end (delta: 420.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:51:12,052 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_03_bad() [L1550] int data; [L1551] data = 0 [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)) [L1559] 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 0.40ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1345.80ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 52.3MB in the end (delta: 4.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.34ms. Allocated memory is still 83.9MB. Free memory was 52.3MB in the beginning and 49.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.73ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 460.36ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 30.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 557.82ms. Allocated memory is still 83.9MB. Free memory was 30.1MB in the beginning and 39.8MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.66ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 39.4MB in the end (delta: 420.5kB). 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 20:51:12,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f180cca-e009-4010-bc8e-bfeb46089c38/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