./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:19:37,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:19:37,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:19:37,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:19:37,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:19:37,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:19:37,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:19:37,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:19:37,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:19:37,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:19:37,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:19:37,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:19:37,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:19:37,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:19:37,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:19:37,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:19:37,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:19:37,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:19:37,276 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:19:37,276 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:19:37,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:19:37,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:19:37,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:19:37,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:19:37,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:19:37,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:19:37,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:37,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:19:37,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:19:37,277 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:19:37,277 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:19:37,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:19:37,277 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_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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 -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2024-11-13 23:19:37,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:19:37,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:19:37,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:19:37,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:19:37,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:19:37,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i Unable to find full path for "g++" [2024-11-13 23:19:39,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:19:40,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:19:40,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-11-13 23:19:40,313 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data/aa870ce3f/cf6ef690c5924a6798560002df617477/FLAG02af74a17 [2024-11-13 23:19:40,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data/aa870ce3f/cf6ef690c5924a6798560002df617477 [2024-11-13 23:19:40,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:19:40,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:19:40,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:40,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:19:40,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:19:40,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:40" (1/1) ... [2024-11-13 23:19:40,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53df68f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:40, skipping insertion in model container [2024-11-13 23:19:40,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:40" (1/1) ... [2024-11-13 23:19:40,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:19:41,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:41,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:19:41,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:41,860 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:19:41,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41 WrapperNode [2024-11-13 23:19:41,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:41,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:41,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:19:41,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:19:41,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,908 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2024-11-13 23:19:41,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:41,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:19:41,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:19:41,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:19:41,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,919 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,920 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,925 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,929 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:19:41,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:19:41,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:19:41,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:19:41,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:41" (1/1) ... [2024-11-13 23:19:41,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:41,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:19:41,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:19:41,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:19:42,015 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:19:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:19:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:19:42,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:19:42,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:19:42,179 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:19:42,181 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:19:42,417 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 23:19:42,417 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:19:42,701 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:19:42,701 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:19:42,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:42 BoogieIcfgContainer [2024-11-13 23:19:42,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:19:42,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:19:42,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:19:42,714 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:19:42,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:42" (1/1) ... [2024-11-13 23:19:42,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:19:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:42,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:19:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:19:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:19:42,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:42,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:19:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:43,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:19:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:43,404 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:19:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:43,463 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:19:43,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:19:43 ImpRootNode [2024-11-13 23:19:43,489 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:19:43,490 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:19:43,490 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:19:43,490 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:19:43,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:42" (3/4) ... [2024-11-13 23:19:43,493 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:19:43,494 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:19:43,495 INFO L158 Benchmark]: Toolchain (without parser) took 3151.65ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 67.0MB in the end (delta: 22.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-13 23:19:43,496 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:43,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1516.69ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.9MB in the end (delta: 7.5MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 23:19:43,496 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.39ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:19:43,497 INFO L158 Benchmark]: Boogie Preprocessor took 23.51ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:43,497 INFO L158 Benchmark]: RCFGBuilder took 768.39ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 41.8MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:19:43,498 INFO L158 Benchmark]: CodeCheck took 786.94ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 67.0MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:43,498 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:43,501 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561, overapproximation of bitwiseOr at line 1552. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 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 1.05ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1516.69ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.9MB in the end (delta: 7.5MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.39ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.0MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.51ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 768.39ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 41.8MB in the end (delta: 36.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 786.94ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 67.0MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 67.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:19:43,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:19:46,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:19:46,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:19:46,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:19:46,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:19:46,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:19:46,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:19:46,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:19:46,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:19:46,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:19:46,383 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:19:46,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:19:46,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:19:46,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:19:46,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:19:46,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:19:46,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:19:46,385 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:19:46,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:19:46,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:19:46,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:19:46,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:19:46,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:19:46,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:19:46,386 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:19:46,386 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:46,386 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:19:46,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:19:46,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:46,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:19:46,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:19:46,386 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:19:46,387 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:19:46,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:46,387 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:19:46,387 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_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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 -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2024-11-13 23:19:46,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:19:46,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:19:46,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:19:46,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:19:46,732 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:19:46,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i Unable to find full path for "g++" [2024-11-13 23:19:48,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:19:49,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:19:49,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-11-13 23:19:49,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data/5f1ea84fe/a2483e4a56af411babc7a41f87cf3261/FLAG431df6c8a [2024-11-13 23:19:49,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/data/5f1ea84fe/a2483e4a56af411babc7a41f87cf3261 [2024-11-13 23:19:49,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:19:49,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:19:49,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:49,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:19:49,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:19:49,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:49" (1/1) ... [2024-11-13 23:19:49,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1accee19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:49, skipping insertion in model container [2024-11-13 23:19:49,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:19:49" (1/1) ... [2024-11-13 23:19:49,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:19:50,490 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:50,503 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:19:50,601 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:19:50,751 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:19:50,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50 WrapperNode [2024-11-13 23:19:50,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:19:50,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:50,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:19:50,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:19:50,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,804 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-11-13 23:19:50,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:19:50,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:19:50,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:19:50,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:19:50,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:19:50,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:19:50,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:19:50,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:19:50,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:19:50" (1/1) ... [2024-11-13 23:19:50,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:19:50,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:19:50,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:19:50,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:19:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:19:50,898 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:19:50,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:19:50,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:19:50,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:19:51,101 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:19:51,105 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:19:51,269 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 23:19:51,269 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:19:51,350 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:19:51,350 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:19:51,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:51 BoogieIcfgContainer [2024-11-13 23:19:51,351 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:19:51,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:19:51,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:19:51,363 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:19:51,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:51" (1/1) ... [2024-11-13 23:19:51,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:19:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:51,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:19:51,419 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:19:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:19:51,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:51,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:51,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:51,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:51,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:19:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:51,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:19:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:51,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:19:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:19:51,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:19:51,889 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:19:51,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:19:51 ImpRootNode [2024-11-13 23:19:51,925 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:19:51,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:19:51,926 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:19:51,927 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:19:51,927 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:19:51" (3/4) ... [2024-11-13 23:19:51,930 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:19:51,931 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:19:51,935 INFO L158 Benchmark]: Toolchain (without parser) took 2622.22ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 83.7MB in the end (delta: 6.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-11-13 23:19:51,935 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:51,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1440.15ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 69.7MB in the end (delta: 20.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 23:19:51,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.32ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 67.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:51,936 INFO L158 Benchmark]: Boogie Preprocessor took 26.98ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:51,937 INFO L158 Benchmark]: RCFGBuilder took 518.80ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 48.1MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:19:51,937 INFO L158 Benchmark]: CodeCheck took 573.21ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 83.7MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:51,937 INFO L158 Benchmark]: Witness Printer took 6.06ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:19:51,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 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 0.43ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1440.15ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 69.7MB in the end (delta: 20.3MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.32ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 67.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.98ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 65.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 518.80ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 48.1MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 573.21ms. Allocated memory is still 117.4MB. Free memory was 47.6MB in the beginning and 83.7MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.06ms. Allocated memory is still 117.4MB. Free memory was 83.7MB in the beginning and 83.7MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:19:51,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aee8ef-979c-48ff-a33e-8c26c1c98b95/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