./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:17,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:17,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:43:17,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:43:17,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:43:17,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:17,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:17,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:17,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:17,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:17,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:17,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:17,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:43:17,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:17,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:17,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:17,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:17,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:17,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:43:17,457 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:43:17,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:17,458 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:17,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:17,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:17,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:17,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:17,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:17,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:17,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:17,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:17,459 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:43:17,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:43:17,459 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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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 -> 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 [2024-11-13 21:43:17,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:17,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:17,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:17,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:17,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:17,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i Unable to find full path for "g++" [2024-11-13 21:43:19,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:20,243 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:20,243 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i [2024-11-13 21:43:20,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data/ecd9ed6ad/1cf26c86b14d497da4b58f23d3ccdd27/FLAG546dba33c [2024-11-13 21:43:20,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data/ecd9ed6ad/1cf26c86b14d497da4b58f23d3ccdd27 [2024-11-13 21:43:20,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:20,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:20,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:20,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:20,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:20,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190c01ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:20, skipping insertion in model container [2024-11-13 21:43:20,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:20" (1/1) ... [2024-11-13 21:43:20,393 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:21,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:21,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:21,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:21,553 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:21,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21 WrapperNode [2024-11-13 21:43:21,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:21,557 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:21,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:21,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:21,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,624 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-13 21:43:21,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:21,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:21,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:21,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:21,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,649 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:21,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:21,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:21,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:21,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:21" (1/1) ... [2024-11-13 21:43:21,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:21,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:21,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:21,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:43:21,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:21,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:21,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:21,939 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:21,941 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:22,130 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:22,130 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:22,440 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:22,440 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:43:22,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:22 BoogieIcfgContainer [2024-11-13 21:43:22,440 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:22,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:22,441 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:22,452 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:22,452 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:22" (1/1) ... [2024-11-13 21:43:22,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:43:22,536 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:43:22,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:43:22,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:22,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:43:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:22,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:23,172 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:23,233 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:43:23,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:43:23 ImpRootNode [2024-11-13 21:43:23,268 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:43:23,270 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:43:23,270 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:43:23,270 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:43:23,271 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:22" (3/4) ... [2024-11-13 21:43:23,273 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:43:23,274 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:43:23,275 INFO L158 Benchmark]: Toolchain (without parser) took 2963.50ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 104.1MB in the end (delta: 11.3MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-13 21:43:23,277 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:23,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1241.81ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 55.6MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 21:43:23,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.27ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 53.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:43:23,279 INFO L158 Benchmark]: Boogie Preprocessor took 39.08ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 51.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:23,280 INFO L158 Benchmark]: RCFGBuilder took 776.23ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 78.6MB in the end (delta: -26.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 21:43:23,281 INFO L158 Benchmark]: CodeCheck took 827.36ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 104.1MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:23,281 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 104.1MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:23,285 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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_multiply_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1241.81ms. Allocated memory is still 142.6MB. Free memory was 115.5MB in the beginning and 55.6MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.27ms. Allocated memory is still 142.6MB. Free memory was 55.6MB in the beginning and 53.0MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.08ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 51.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 776.23ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 78.6MB in the end (delta: -26.9MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 827.36ms. Allocated memory is still 142.6MB. Free memory was 78.6MB in the beginning and 104.1MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 104.1MB 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 21:43:23,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:43:26,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:43:26,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:43:26,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:43:26,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:43:26,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:43:26,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:43:26,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:43:26,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:43:26,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:43:26,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:43:26,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:43:26,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:43:26,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:43:26,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:43:26,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:43:26,273 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:43:26,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:43:26,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:26,273 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:43:26,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:43:26,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:26,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:43:26,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:43:26,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:43:26,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:43:26,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:26,274 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:43:26,274 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_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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 -> 8bb6c3d2ded947be958b70d6bdac4bb650e160e4c530b9f932c547ed015f4cc0 [2024-11-13 21:43:26,678 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:43:26,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:43:26,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:43:26,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:43:26,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:43:26,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i Unable to find full path for "g++" [2024-11-13 21:43:28,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:43:29,288 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:43:29,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_09_bad.i [2024-11-13 21:43:29,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data/3223e59f2/f5fe2e818f6749268ee1dae1c2fd5fe7/FLAG0d281cd2d [2024-11-13 21:43:29,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/data/3223e59f2/f5fe2e818f6749268ee1dae1c2fd5fe7 [2024-11-13 21:43:29,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:43:29,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:43:29,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:29,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:43:29,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:43:29,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:29" (1/1) ... [2024-11-13 21:43:29,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c59c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:29, skipping insertion in model container [2024-11-13 21:43:29,428 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:43:29" (1/1) ... [2024-11-13 21:43:29,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:43:30,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:30,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:43:30,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:43:30,790 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:43:30,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30 WrapperNode [2024-11-13 21:43:30,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:43:30,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:30,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:43:30,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:43:30,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,828 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,850 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-13 21:43:30,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:43:30,851 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:43:30,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:43:30,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:43:30,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,876 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:43:30,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:43:30,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:43:30,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:43:30,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:43:30" (1/1) ... [2024-11-13 21:43:30,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:43:30,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:43:30,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:43:30,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:43:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:43:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:43:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:43:30,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:43:30,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:43:31,082 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:43:31,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:43:31,205 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 21:43:31,205 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:43:31,280 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:43:31,281 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:43:31,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:31 BoogieIcfgContainer [2024-11-13 21:43:31,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:43:31,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:43:31,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:43:31,292 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:43:31,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:31" (1/1) ... [2024-11-13 21:43:31,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:43:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:43:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 21:43:31,348 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 21:43:31,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:43:31,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:43:31,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:43:31,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:43:31,355 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:43:31,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:43:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:31,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:31,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:43:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:43:31,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:43:31,800 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:43:31,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:43:31 ImpRootNode [2024-11-13 21:43:31,836 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:43:31,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:43:31,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:43:31,838 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:43:31,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:43:31" (3/4) ... [2024-11-13 21:43:31,843 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:43:31,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:43:31,845 INFO L158 Benchmark]: Toolchain (without parser) took 2424.30ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 79.2MB in the end (delta: 11.5MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-13 21:43:31,845 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:31,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1369.95ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 78.2MB in the end (delta: 12.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-13 21:43:31,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.58ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:31,848 INFO L158 Benchmark]: Boogie Preprocessor took 28.32ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:31,849 INFO L158 Benchmark]: RCFGBuilder took 401.02ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 55.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:43:31,849 INFO L158 Benchmark]: CodeCheck took 554.32ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 79.2MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:31,849 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 79.2MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:43:31,854 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, 15 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, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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_multiply_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] data * 2 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 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1369.95ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 78.2MB in the end (delta: 12.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.58ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.32ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 73.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.02ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 55.6MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 554.32ms. Allocated memory is still 117.4MB. Free memory was 55.6MB in the beginning and 79.2MB in the end (delta: -23.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 79.2MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:43:31,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e65a63c-2c1d-40a5-9b04-b4f0ab66f78d/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