./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:22,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:22,942 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:17:22,948 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:17:22,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:17:22,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:22,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:22,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:22,985 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:22,985 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:22,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:22,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:22,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:17:22,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:22,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:22,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:22,988 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:22,988 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:22,988 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:22,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:22,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:22,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:22,988 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:22,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:22,989 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:22,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:22,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:22,989 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:22,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:22,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:22,989 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:17:22,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:17:22,989 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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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 -> 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 [2024-11-13 20:17:23,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:23,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:23,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:23,368 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:23,369 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:23,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i Unable to find full path for "g++" [2024-11-13 20:17:25,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:25,935 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:25,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2024-11-13 20:17:25,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data/07b47b851/bcbdfbfb41cc4350b70b098112836489/FLAG736921457 [2024-11-13 20:17:25,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data/07b47b851/bcbdfbfb41cc4350b70b098112836489 [2024-11-13 20:17:25,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:25,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:25,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:25,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:25,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:25,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:25,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e7ed91b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:25, skipping insertion in model container [2024-11-13 20:17:25,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:25" (1/1) ... [2024-11-13 20:17:26,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:27,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:27,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:27,510 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:27,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27 WrapperNode [2024-11-13 20:17:27,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:27,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:27,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:27,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,559 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-11-13 20:17:27,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:27,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:27,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:27,567 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,585 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:27,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:27,586 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:27,586 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:27,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:27" (1/1) ... [2024-11-13 20:17:27,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:27,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:27,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:27,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:27,657 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:27,657 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:27,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:27,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:27,826 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:27,828 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:28,062 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:28,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:28,308 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:28,308 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:28,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28 BoogieIcfgContainer [2024-11-13 20:17:28,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:28,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:28,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:28,320 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:28,320 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28" (1/1) ... [2024-11-13 20:17:28,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:17:28,391 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:17:28,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:17:28,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:28,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:17:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:28,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:28,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:29,026 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:29,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:29 ImpRootNode [2024-11-13 20:17:29,063 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:29,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:29,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:29,064 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:29,066 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:28" (3/4) ... [2024-11-13 20:17:29,069 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:29,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:29,072 INFO L158 Benchmark]: Toolchain (without parser) took 3090.80ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 60.8MB in the end (delta: 28.9MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,073 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1528.36ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.7MB in the end (delta: 8.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,076 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.39ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,076 INFO L158 Benchmark]: Boogie Preprocessor took 25.04ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,078 INFO L158 Benchmark]: RCFGBuilder took 723.39ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 41.0MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:17:29,079 INFO L158 Benchmark]: CodeCheck took 753.71ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 60.8MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,079 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:29,082 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: 1575]: 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 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_sub_68_badData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=0, 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 [CWE191_Integer_Underflow__int_rand_sub_68_badData=0, 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_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_sub_68_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, 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 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1528.36ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.7MB in the end (delta: 8.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.39ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 79.2MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.04ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 723.39ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 41.0MB in the end (delta: 37.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 753.71ms. Allocated memory is still 117.4MB. Free memory was 41.0MB in the beginning and 60.8MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 60.8MB 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 20:17:29,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:17:31,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:17:32,090 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:17:32,138 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:17:32,139 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:17:32,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:17:32,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:17:32,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:17:32,140 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:17:32,140 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:17:32,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:17:32,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:17:32,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:17:32,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:17:32,143 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:17:32,143 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:17:32,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:17:32,143 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:17:32,144 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:17:32,144 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:17:32,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:17:32,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:17:32,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:17:32,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:17:32,144 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:17:32,145 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,145 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:17:32,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:17:32,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:32,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:17:32,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:17:32,145 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:17:32,145 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:17:32,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:32,146 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:17:32,146 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_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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 -> 84a8a515d3814cb792da9d29e3d5adcce3a7d65d54d2fa5d9195a3d10540b2e7 [2024-11-13 20:17:32,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:17:32,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:17:32,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:17:32,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:17:32,518 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:17:32,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i Unable to find full path for "g++" [2024-11-13 20:17:34,499 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:17:35,019 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:17:35,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_68_bad.i [2024-11-13 20:17:35,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data/8b8163ede/d8bd1b30b0bd4d249be1afd4cdfb0ed3/FLAG2128a6344 [2024-11-13 20:17:35,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/data/8b8163ede/d8bd1b30b0bd4d249be1afd4cdfb0ed3 [2024-11-13 20:17:35,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:17:35,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:17:35,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:35,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:17:35,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:17:35,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:35" (1/1) ... [2024-11-13 20:17:35,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2754bf99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:35, skipping insertion in model container [2024-11-13 20:17:35,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:17:35" (1/1) ... [2024-11-13 20:17:35,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:17:36,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:36,346 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:17:36,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:17:36,673 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:17:36,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36 WrapperNode [2024-11-13 20:17:36,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:17:36,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:36,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:17:36,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:17:36,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,733 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-13 20:17:36,735 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:17:36,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:17:36,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:17:36,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:17:36,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,772 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:17:36,773 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:17:36,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:17:36,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:17:36,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:17:36" (1/1) ... [2024-11-13 20:17:36,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:17:36,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:17:36,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:17:36,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:17:36,849 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:17:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:17:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:17:36,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:17:36,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:17:37,028 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:17:37,030 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:17:37,171 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 20:17:37,171 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:17:37,270 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:17:37,271 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:17:37,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37 BoogieIcfgContainer [2024-11-13 20:17:37,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:17:37,274 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:17:37,274 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:17:37,286 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:17:37,286 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37" (1/1) ... [2024-11-13 20:17:37,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:17:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:17:37,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:17:37,345 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:17:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:17:37,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:17:37,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:17:37,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:17:37,354 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:17:37,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:17:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:37,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:37,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:17:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:17:37,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:17:37,807 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:17:37,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:17:37 ImpRootNode [2024-11-13 20:17:37,842 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:17:37,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:17:37,844 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:17:37,844 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:17:37,845 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:17:37" (3/4) ... [2024-11-13 20:17:37,848 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:17:37,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:17:37,852 INFO L158 Benchmark]: Toolchain (without parser) took 2765.03ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 81.3MB in the end (delta: 10.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-11-13 20:17:37,852 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:37,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1587.04ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.8MB in the end (delta: 10.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 20:17:37,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.24ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:37,854 INFO L158 Benchmark]: Boogie Preprocessor took 36.25ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:37,855 INFO L158 Benchmark]: RCFGBuilder took 498.37ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 58.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:17:37,856 INFO L158 Benchmark]: CodeCheck took 567.45ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 81.9MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:37,857 INFO L158 Benchmark]: Witness Printer took 5.58ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.3MB in the end (delta: 604.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:17:37,859 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: 1575]: 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); [L1549] int CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_rand_sub_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, 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 [CWE191_Integer_Underflow__int_rand_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, 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_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE191_Integer_Underflow__int_rand_sub_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_rand_sub_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_rand_sub_68_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1575] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_68_goodG2BData=0, 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 0.48ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1587.04ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.8MB in the end (delta: 10.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.24ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 77.4MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.25ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 498.37ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 58.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 567.45ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 81.9MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.58ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.3MB in the end (delta: 604.0kB). 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 20:17:37,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f11dc12-5a14-4ae0-9e33-3e69d56df62d/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