./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_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_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/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_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/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_432e7602-0df3-46a5-999c-8c56b52a09f0/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 e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:51:45,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:51:45,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:51:45,550 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:51:45,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:51:45,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:51:45,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:51:45,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:51:45,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:51:45,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:51:45,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:51:45,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:51:45,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:51:45,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:51:45,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:51:45,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:51:45,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:51:45,590 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:51:45,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:51:45,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:51:45,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:51:45,591 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:51:45,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:51:45,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:51:45,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:51:45,591 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_432e7602-0df3-46a5-999c-8c56b52a09f0/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 -> e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 [2024-11-13 22:51:45,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:51:45,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:51:45,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:51:45,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:51:45,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:51:45,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i Unable to find full path for "g++" [2024-11-13 22:51:47,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:51:48,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:51:48,137 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2024-11-13 22:51:48,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data/d893f770c/76bf08749c89471c8e976b8036dc3091/FLAGaec4b1b38 [2024-11-13 22:51:48,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data/d893f770c/76bf08749c89471c8e976b8036dc3091 [2024-11-13 22:51:48,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:51:48,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:51:48,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:51:48,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:51:48,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:51:48,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:48" (1/1) ... [2024-11-13 22:51:48,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@602d1ce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:48, skipping insertion in model container [2024-11-13 22:51:48,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:48" (1/1) ... [2024-11-13 22:51:48,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:51:49,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:51:49,075 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:51:49,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:51:49,373 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:51:49,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49 WrapperNode [2024-11-13 22:51:49,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:51:49,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:51:49,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:51:49,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:51:49,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,451 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-11-13 22:51:49,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:51:49,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:51:49,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:51:49,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:51:49,462 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,498 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:51:49,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:51:49,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:51:49,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:51:49,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:49" (1/1) ... [2024-11-13 22:51:49,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:51:49,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:51:49,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:51:49,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:51:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:51:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:51:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:51:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:51:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:51:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:51:49,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:51:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:51:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:51:49,842 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:51:49,844 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:51:50,111 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-13 22:51:50,111 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:51:50,359 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:51:50,359 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:51:50,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:50 BoogieIcfgContainer [2024-11-13 22:51:50,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:51:50,361 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:51:50,361 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:51:50,370 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:51:50,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:50" (1/1) ... [2024-11-13 22:51:50,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:51:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:51:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:51:50,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:51:50,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:50,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:51:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:50,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:51:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:51,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:51:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:51,175 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:51:51,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:51:51 ImpRootNode [2024-11-13 22:51:51,213 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:51:51,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:51:51,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:51:51,215 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:51:51,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:50" (3/4) ... [2024-11-13 22:51:51,218 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:51:51,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:51:51,223 INFO L158 Benchmark]: Toolchain (without parser) took 3029.98ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 103.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-13 22:51:51,223 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:51,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.67ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.9MB in the end (delta: 59.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:51:51,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.35ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:51:51,226 INFO L158 Benchmark]: Boogie Preprocessor took 45.68ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 51.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:51,226 INFO L158 Benchmark]: RCFGBuilder took 861.45ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 81.4MB in the end (delta: -29.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 22:51:51,227 INFO L158 Benchmark]: CodeCheck took 852.62ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 103.0MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:51,227 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 103.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:51,232 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, 0.1s 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571, overapproximation of bitwiseOr at line 1556. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --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 0.41ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.67ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.9MB in the end (delta: 59.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.35ms. Allocated memory is still 142.6MB. Free memory was 55.9MB in the beginning and 53.1MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.68ms. Allocated memory is still 142.6MB. Free memory was 53.1MB in the beginning and 51.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 861.45ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 81.4MB in the end (delta: -29.7MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 852.62ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 103.0MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 103.0MB 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 22:51:51,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/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_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/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_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/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_432e7602-0df3-46a5-999c-8c56b52a09f0/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 e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:51:53,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:51:54,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:51:54,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:51:54,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:51:54,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:51:54,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:51:54,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:51:54,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:51:54,130 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:51:54,130 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:51:54,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:51:54,131 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:51:54,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:51:54,131 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:51:54,131 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:51:54,131 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:51:54,132 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:51:54,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:51:54,132 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:51:54,132 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:51:54,132 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:51:54,133 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:51:54,133 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:51:54,133 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:51:54,133 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:54,133 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:51:54,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:51:54,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:51:54,133 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:51:54,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:51:54,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:51:54,134 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:51:54,134 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:54,134 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:51:54,135 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_432e7602-0df3-46a5-999c-8c56b52a09f0/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 -> e1b982b22ed963753cb1a73ecbcc65696381bbcc4d686ab5b2d43604a7707490 [2024-11-13 22:51:54,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:51:54,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:51:54,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:51:54,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:51:54,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:51:54,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i Unable to find full path for "g++" [2024-11-13 22:51:56,530 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:51:56,987 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:51:56,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_32_bad.i [2024-11-13 22:51:57,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data/067b4c450/e11fd25819694df4a83523b714176905/FLAG878809078 [2024-11-13 22:51:57,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/data/067b4c450/e11fd25819694df4a83523b714176905 [2024-11-13 22:51:57,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:51:57,112 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:51:57,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:51:57,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:51:57,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:51:57,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:57" (1/1) ... [2024-11-13 22:51:57,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25fd6b67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:57, skipping insertion in model container [2024-11-13 22:51:57,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:51:57" (1/1) ... [2024-11-13 22:51:57,184 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:51:58,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:51:58,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:51:58,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:51:58,577 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:51:58,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58 WrapperNode [2024-11-13 22:51:58,578 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:51:58,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:51:58,579 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:51:58,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:51:58,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,636 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 22:51:58,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:51:58,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:51:58,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:51:58,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:51:58,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,675 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:51:58,676 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:51:58,676 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:51:58,676 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:51:58,677 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:51:58" (1/1) ... [2024-11-13 22:51:58,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:51:58,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:51:58,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:51:58,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:51:58,751 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:51:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:51:58,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:51:58,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:51:58,905 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:51:58,907 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:51:59,049 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 22:51:59,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:51:59,124 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:51:59,125 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:51:59,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:59 BoogieIcfgContainer [2024-11-13 22:51:59,125 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:51:59,126 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:51:59,126 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:51:59,137 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:51:59,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:59" (1/1) ... [2024-11-13 22:51:59,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:51:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:51:59,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:51:59,193 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:51:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:51:59,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:51:59,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:51:59,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:51:59,200 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:51:59,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:51:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:59,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:51:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:59,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:51:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:51:59,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:51:59,734 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:51:59,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:51:59 ImpRootNode [2024-11-13 22:51:59,771 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:51:59,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:51:59,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:51:59,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:51:59,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:51:59" (3/4) ... [2024-11-13 22:51:59,777 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:51:59,778 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:51:59,779 INFO L158 Benchmark]: Toolchain (without parser) took 2666.88ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 35.8MB in the end (delta: 21.7MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-13 22:51:59,781 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:59,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.78ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 53.1MB in the end (delta: 4.3MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-11-13 22:51:59,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.37ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 50.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:59,782 INFO L158 Benchmark]: Boogie Preprocessor took 38.16ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 48.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:59,783 INFO L158 Benchmark]: RCFGBuilder took 449.48ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 52.9MB in the end (delta: -4.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-13 22:51:59,783 INFO L158 Benchmark]: CodeCheck took 645.68ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 36.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:51:59,783 INFO L158 Benchmark]: Witness Printer took 5.49ms. Allocated memory is still 83.9MB. Free memory was 36.2MB in the beginning and 35.8MB in the end (delta: 416.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:51:59,789 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.78ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 53.1MB in the end (delta: 4.3MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.37ms. Allocated memory is still 83.9MB. Free memory was 53.1MB in the beginning and 50.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.16ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 48.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 449.48ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 52.9MB in the end (delta: -4.7MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * CodeCheck took 645.68ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 36.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.49ms. Allocated memory is still 83.9MB. Free memory was 36.2MB in the beginning and 35.8MB in the end (delta: 416.2kB). 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 22:51:59,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_432e7602-0df3-46a5-999c-8c56b52a09f0/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