./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_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_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/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_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/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_a118026f-2eb6-43c1-b65f-e80f33474a0d/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 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:35,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:35,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:07:35,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:07:35,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:07:35,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:35,525 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:35,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:35,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:35,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:35,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:35,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:35,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:07:35,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:35,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:35,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:35,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:35,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:35,527 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:07:35,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:07:35,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:35,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:35,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:35,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:35,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:35,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:35,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:35,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:35,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:35,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:35,530 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:07:35,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:07:35,530 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_a118026f-2eb6-43c1-b65f-e80f33474a0d/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 -> 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b [2024-11-13 23:07:35,923 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:35,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:35,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:35,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:35,946 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:35,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i Unable to find full path for "g++" [2024-11-13 23:07:37,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:38,530 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:38,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2024-11-13 23:07:38,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data/e9c3474bc/5d37c16e671c4020a9e46698fe909cf6/FLAG2872612f2 [2024-11-13 23:07:38,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data/e9c3474bc/5d37c16e671c4020a9e46698fe909cf6 [2024-11-13 23:07:38,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:38,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:38,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:38,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:38,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:38,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:38,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5534f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:38, skipping insertion in model container [2024-11-13 23:07:38,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:38" (1/1) ... [2024-11-13 23:07:38,663 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:39,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:39,773 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:39,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:40,060 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:40,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40 WrapperNode [2024-11-13 23:07:40,061 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:40,063 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:40,063 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:40,063 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:40,069 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,112 INFO L138 Inliner]: procedures = 500, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 102 [2024-11-13 23:07:40,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:40,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:40,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:40,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:40,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,132 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:40,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:40,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:40,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:40,152 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:40,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:40,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:40,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:40,231 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:07:40,231 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:07:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:07:40,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:40,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:40,394 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:40,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:40,653 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:40,653 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:40,947 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:40,948 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:07:40,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:40 BoogieIcfgContainer [2024-11-13 23:07:40,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:40,949 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:40,949 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:40,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:40,963 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:40" (1/1) ... [2024-11-13 23:07:40,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:41,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:07:41,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:07:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:07:41,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:41,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:41,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:41,736 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:07:41,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:41 ImpRootNode [2024-11-13 23:07:41,784 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:41,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:41,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:41,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:41,787 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:40" (3/4) ... [2024-11-13 23:07:41,791 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:07:41,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:41,795 INFO L158 Benchmark]: Toolchain (without parser) took 3202.71ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.7MB in the beginning and 314.1MB in the end (delta: -198.4MB). Peak memory consumption was 91.2MB. Max. memory is 16.1GB. [2024-11-13 23:07:41,795 INFO L158 Benchmark]: CDTParser took 1.60ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:41,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1467.92ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.5MB in the beginning and 392.9MB in the end (delta: -277.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 23:07:41,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.68ms. Allocated memory is still 427.8MB. Free memory was 392.9MB in the beginning and 390.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:41,797 INFO L158 Benchmark]: Boogie Preprocessor took 37.03ms. Allocated memory is still 427.8MB. Free memory was 390.2MB in the beginning and 389.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:41,797 INFO L158 Benchmark]: RCFGBuilder took 797.70ms. Allocated memory is still 427.8MB. Free memory was 389.0MB in the beginning and 348.3MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:07:41,802 INFO L158 Benchmark]: CodeCheck took 834.69ms. Allocated memory is still 427.8MB. Free memory was 348.3MB in the beginning and 314.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:07:41,802 INFO L158 Benchmark]: Witness Printer took 8.75ms. Allocated memory is still 427.8MB. Free memory was 314.7MB in the beginning and 314.1MB in the end (delta: 592.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:41,808 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.60ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1467.92ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.5MB in the beginning and 392.9MB in the end (delta: -277.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.68ms. Allocated memory is still 427.8MB. Free memory was 392.9MB in the beginning and 390.2MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.03ms. Allocated memory is still 427.8MB. Free memory was 390.2MB in the beginning and 389.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 797.70ms. Allocated memory is still 427.8MB. Free memory was 389.0MB in the beginning and 348.3MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 834.69ms. Allocated memory is still 427.8MB. Free memory was 348.3MB in the beginning and 314.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 8.75ms. Allocated memory is still 427.8MB. Free memory was 314.7MB in the beginning and 314.1MB in the end (delta: 592.7kB). 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 23:07:41,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/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_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/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_a118026f-2eb6-43c1-b65f-e80f33474a0d/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 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:07:44,478 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:07:44,541 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:07:44,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:07:44,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:07:44,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:07:44,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:07:44,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:07:44,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:07:44,577 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:07:44,578 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:07:44,578 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:44,579 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:07:44,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:07:44,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:44,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:07:44,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:07:44,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:07:44,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:07:44,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:44,580 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:07:44,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/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 -> 217de96787e32975f07008236baa507ec081366c64009fa0ca7d049e6a7afc8b [2024-11-13 23:07:44,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:07:44,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:07:44,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:07:44,943 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:07:44,943 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:07:44,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i Unable to find full path for "g++" [2024-11-13 23:07:46,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:07:47,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:07:47,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_53_bad.i [2024-11-13 23:07:47,467 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data/0aa261b1b/95fdc3e7946e41418796c46b14340004/FLAGaaa197020 [2024-11-13 23:07:47,495 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/data/0aa261b1b/95fdc3e7946e41418796c46b14340004 [2024-11-13 23:07:47,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:07:47,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:07:47,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:47,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:07:47,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:07:47,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:47" (1/1) ... [2024-11-13 23:07:47,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8796da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:47, skipping insertion in model container [2024-11-13 23:07:47,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:07:47" (1/1) ... [2024-11-13 23:07:47,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:07:48,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:48,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:07:48,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:07:48,801 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:07:48,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48 WrapperNode [2024-11-13 23:07:48,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:07:48,802 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:48,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:07:48,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:07:48,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,852 INFO L138 Inliner]: procedures = 505, calls = 26, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2024-11-13 23:07:48,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:07:48,853 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:07:48,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:07:48,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:07:48,861 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:07:48,884 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:07:48,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:07:48,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:07:48,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:07:48" (1/1) ... [2024-11-13 23:07:48,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:07:48,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:07:48,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:07:48,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:07:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:07:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:07:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:07:48,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:07:48,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:07:49,117 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:07:49,119 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:07:49,256 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-13 23:07:49,256 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:07:49,325 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:07:49,325 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:07:49,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:49 BoogieIcfgContainer [2024-11-13 23:07:49,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:07:49,327 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:07:49,327 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:07:49,337 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:07:49,338 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:49" (1/1) ... [2024-11-13 23:07:49,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:07:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:07:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:07:49,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:07:49,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:49,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:07:49,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:07:49,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:07:49,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:07:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:49,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:49,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:49,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:49,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:07:49,873 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:07:49,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:07:49 ImpRootNode [2024-11-13 23:07:49,899 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:07:49,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:07:49,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:07:49,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:07:49,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:07:49" (3/4) ... [2024-11-13 23:07:49,904 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:07:49,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:07:49,906 INFO L158 Benchmark]: Toolchain (without parser) took 2406.31ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 80.4MB in the end (delta: 11.6MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-13 23:07:49,906 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:49,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1299.16ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 78.6MB in the end (delta: 13.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-13 23:07:49,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.04ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:49,908 INFO L158 Benchmark]: Boogie Preprocessor took 30.01ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:49,908 INFO L158 Benchmark]: RCFGBuilder took 442.45ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 55.4MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:07:49,909 INFO L158 Benchmark]: CodeCheck took 572.90ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 81.0MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:49,909 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 605.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:49,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1577]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_53_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_53b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_53c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_rand_sub_53d_badSink(data) [L1577] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1299.16ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 78.6MB in the end (delta: 13.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.04ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.01ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.45ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 55.4MB in the end (delta: 18.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 572.90ms. Allocated memory is still 117.4MB. Free memory was 55.4MB in the beginning and 81.0MB in the end (delta: -25.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 605.8kB). 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 23:07:49,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a118026f-2eb6-43c1-b65f-e80f33474a0d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample