./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_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_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/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_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/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_21197ec7-5e93-4952-80cc-a83c9d5f046f/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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:42,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:42,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:21:42,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:21:42,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:21:42,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:42,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:42,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:42,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:42,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:42,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:42,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:42,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:21:42,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:42,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:42,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:42,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:42,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:42,404 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:21:42,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:21:42,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:42,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:42,405 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:42,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:42,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:42,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:42,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:42,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:42,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:42,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:42,407 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:21:42,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:21:42,407 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_21197ec7-5e93-4952-80cc-a83c9d5f046f/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 -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2024-11-13 23:21:42,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:42,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:42,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:42,890 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:42,890 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:42,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 23:21:45,602 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:46,195 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:46,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-13 23:21:46,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data/e39942541/a9f84ae7ea934eedbd7d72a6dccd5081/FLAGa6e1387c3 [2024-11-13 23:21:46,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data/e39942541/a9f84ae7ea934eedbd7d72a6dccd5081 [2024-11-13 23:21:46,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:46,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:46,274 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:46,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:46,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:46,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:46" (1/1) ... [2024-11-13 23:21:46,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93f1998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:46, skipping insertion in model container [2024-11-13 23:21:46,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:46" (1/1) ... [2024-11-13 23:21:46,354 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:47,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:47,750 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:47,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:48,078 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:48,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48 WrapperNode [2024-11-13 23:21:48,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:48,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:48,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:48,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:48,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,140 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,185 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-13 23:21:48,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:48,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:48,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:48,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:48,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,222 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:48,223 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:48,223 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:48,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:48,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:48" (1/1) ... [2024-11-13 23:21:48,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:48,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:48,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:48,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:21:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:21:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:48,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:48,467 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:48,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:21:48,830 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-13 23:21:48,830 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:21:49,240 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:21:49,240 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:21:49,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49 BoogieIcfgContainer [2024-11-13 23:21:49,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:21:49,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:21:49,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:21:49,257 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:21:49,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49" (1/1) ... [2024-11-13 23:21:49,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:21:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:21:49,352 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:21:49,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:21:49,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:49,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:21:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:49,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:50,273 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:21:50,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:21:50 ImpRootNode [2024-11-13 23:21:50,322 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:21:50,323 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:21:50,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:21:50,325 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:21:50,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:49" (3/4) ... [2024-11-13 23:21:50,330 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:21:50,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:21:50,333 INFO L158 Benchmark]: Toolchain (without parser) took 4061.09ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 114.0MB in the end (delta: 8.5MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,336 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1805.82ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 62.4MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.73ms. Allocated memory is still 167.8MB. Free memory was 62.4MB in the beginning and 121.7MB in the end (delta: -59.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,338 INFO L158 Benchmark]: Boogie Preprocessor took 32.22ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,338 INFO L158 Benchmark]: RCFGBuilder took 1018.58ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 81.7MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 23:21:50,340 INFO L158 Benchmark]: CodeCheck took 1079.62ms. Allocated memory is still 167.8MB. Free memory was 81.7MB in the beginning and 114.1MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,341 INFO L158 Benchmark]: Witness Printer took 7.88ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 114.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:21:50,346 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: 1.0s, 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: 1555]: 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 1563, overapproximation of bitwiseOr at line 1570. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1805.82ms. Allocated memory is still 167.8MB. Free memory was 122.5MB in the beginning and 62.4MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.73ms. Allocated memory is still 167.8MB. Free memory was 62.4MB in the beginning and 121.7MB in the end (delta: -59.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.22ms. Allocated memory is still 167.8MB. Free memory was 121.7MB in the beginning and 120.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1018.58ms. Allocated memory is still 167.8MB. Free memory was 120.3MB in the beginning and 81.7MB in the end (delta: 38.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 1079.62ms. Allocated memory is still 167.8MB. Free memory was 81.7MB in the beginning and 114.1MB in the end (delta: -32.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.88ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 114.0MB in the end (delta: 21.0kB). 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 23:21:50,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/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_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/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_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/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_21197ec7-5e93-4952-80cc-a83c9d5f046f/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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:21:53,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:21:54,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:21:54,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:21:54,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:21:54,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:21:54,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:21:54,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:21:54,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:21:54,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:21:54,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:21:54,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:21:54,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:21:54,094 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:21:54,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:21:54,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:21:54,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:21:54,094 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:21:54,094 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:21:54,094 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:21:54,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:21:54,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:21:54,095 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:21:54,095 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:21:54,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:21:54,095 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:54,095 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:21:54,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:21:54,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:54,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:21:54,096 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:21:54,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:21:54,096 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:21:54,098 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:54,099 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:21:54,099 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_21197ec7-5e93-4952-80cc-a83c9d5f046f/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 -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2024-11-13 23:21:54,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:21:54,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:21:54,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:21:54,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:21:54,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:21:54,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 23:21:56,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:21:57,269 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:21:57,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-13 23:21:57,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data/9844c37f8/ee7e09f94a7f45eeb887fdf4f82777e0/FLAGb4e944730 [2024-11-13 23:21:57,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/data/9844c37f8/ee7e09f94a7f45eeb887fdf4f82777e0 [2024-11-13 23:21:57,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:21:57,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:21:57,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:57,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:21:57,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:21:57,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:57" (1/1) ... [2024-11-13 23:21:57,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c00b094 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:57, skipping insertion in model container [2024-11-13 23:21:57,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:21:57" (1/1) ... [2024-11-13 23:21:57,414 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:21:58,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:58,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:21:58,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:21:58,660 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:21:58,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58 WrapperNode [2024-11-13 23:21:58,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:21:58,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:58,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:21:58,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:21:58,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,742 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-13 23:21:58,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:21:58,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:21:58,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:21:58,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:21:58,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,772 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:21:58,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:21:58,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:21:58,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:21:58,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:21:58" (1/1) ... [2024-11-13 23:21:58,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:21:58,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:21:58,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:21:58,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:21:58,857 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:21:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:21:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:21:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:21:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:21:59,118 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:21:59,120 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:21:59,279 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-13 23:21:59,280 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:21:59,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:21:59,387 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:21:59,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:59 BoogieIcfgContainer [2024-11-13 23:21:59,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:21:59,389 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:21:59,389 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:21:59,406 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:21:59,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:59" (1/1) ... [2024-11-13 23:21:59,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:21:59,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:59,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 23:21:59,476 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 23:21:59,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 23:21:59,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:59,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:59,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:59,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:59,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:21:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:59,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:21:59,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:21:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:22:00,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:22:00,016 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:22:00,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:22:00 ImpRootNode [2024-11-13 23:22:00,047 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:22:00,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:22:00,050 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:22:00,050 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:22:00,051 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:21:59" (3/4) ... [2024-11-13 23:22:00,055 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:22:00,056 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:22:00,057 INFO L158 Benchmark]: Toolchain (without parser) took 2709.34ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.4MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:22:00,057 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:00,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.18ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.7MB in the end (delta: 22.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-13 23:22:00,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.33ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 64.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:00,061 INFO L158 Benchmark]: Boogie Preprocessor took 37.62ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 62.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:00,063 INFO L158 Benchmark]: RCFGBuilder took 605.79ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 44.5MB in the end (delta: 17.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:22:00,064 INFO L158 Benchmark]: CodeCheck took 658.79ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 79.5MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:00,064 INFO L158 Benchmark]: Witness Printer took 7.88ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.4MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:22:00,070 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.18ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 66.7MB in the end (delta: 22.1MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.33ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 64.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.62ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 62.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 605.79ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 44.5MB in the end (delta: 17.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 658.79ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 79.5MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.88ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 79.4MB in the end (delta: 42.6kB). 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 23:22:00,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21197ec7-5e93-4952-80cc-a83c9d5f046f/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