./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3 --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 a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:48:05,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:48:05,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:48:05,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:48:05,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:48:05,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:48:05,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:48:05,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:48:05,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:48:05,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:48:05,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:48:05,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:48:05,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:48:05,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:48:05,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:48:05,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:48:05,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:48:05,421 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:48:05,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:48:05,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:48:05,422 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:48:05,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:48:05,422 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:48:05,422 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:48:05,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:48:05,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:48:05,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:05,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:48:05,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:48:05,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:48:05,423 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:48:05,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:48:05,423 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_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3 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 -> a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda [2024-11-25 04:48:05,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:48:05,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:48:05,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:48:05,793 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:48:05,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:48:05,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-11-25 04:48:08,910 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/b6e9b1c54/43dda0546b0148a0b335cb18f301d63c/FLAGa0bc99bac [2024-11-25 04:48:09,297 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:48:09,298 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-11-25 04:48:09,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/b6e9b1c54/43dda0546b0148a0b335cb18f301d63c/FLAGa0bc99bac [2024-11-25 04:48:09,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/b6e9b1c54/43dda0546b0148a0b335cb18f301d63c [2024-11-25 04:48:09,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:48:09,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:48:09,359 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:09,360 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:48:09,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:48:09,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:09" (1/1) ... [2024-11-25 04:48:09,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54e7bfb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:09, skipping insertion in model container [2024-11-25 04:48:09,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:09" (1/1) ... [2024-11-25 04:48:09,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:48:10,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:10,393 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:48:10,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:10,680 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:48:10,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10 WrapperNode [2024-11-25 04:48:10,680 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:10,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:10,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:48:10,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:48:10,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,755 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 98 [2024-11-25 04:48:10,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:10,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:48:10,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:48:10,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:48:10,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,788 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,796 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:48:10,801 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:48:10,801 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:48:10,801 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:48:10,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:10" (1/1) ... [2024-11-25 04:48:10,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:10,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:48:10,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:48:10,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:48:10,901 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:48:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:48:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:48:10,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:48:10,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:48:11,062 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:48:11,064 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:48:11,308 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-25 04:48:11,308 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:48:11,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:48:11,618 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:48:11,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:11 BoogieIcfgContainer [2024-11-25 04:48:11,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:48:11,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:48:11,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:48:11,634 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:48:11,634 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:11" (1/1) ... [2024-11-25 04:48:11,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:48:11,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:11,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:48:11,706 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:48:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:48:11,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:11,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:48:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:11,980 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:48:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:12,283 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:48:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:12,345 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:48:12,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:48:12 ImpRootNode [2024-11-25 04:48:12,380 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:48:12,384 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:48:12,384 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:48:12,384 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:48:12,385 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:11" (3/4) ... [2024-11-25 04:48:12,389 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:48:12,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:48:12,392 INFO L158 Benchmark]: Toolchain (without parser) took 3035.26ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 108.8MB in the end (delta: 4.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-25 04:48:12,392 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:12,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1322.24ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 52.9MB in the end (delta: 60.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-25 04:48:12,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.65ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 50.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:12,395 INFO L158 Benchmark]: Boogie Preprocessor took 45.15ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 48.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:12,395 INFO L158 Benchmark]: RCFGBuilder took 817.18ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 81.1MB in the end (delta: -32.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-25 04:48:12,396 INFO L158 Benchmark]: CodeCheck took 764.55ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 108.9MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:12,396 INFO L158 Benchmark]: Witness Printer took 6.64ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 108.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:12,400 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, 0.1s 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1560. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1560] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL funcPtr(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1322.24ms. Allocated memory is still 142.6MB. Free memory was 113.1MB in the beginning and 52.9MB in the end (delta: 60.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.65ms. Allocated memory is still 142.6MB. Free memory was 52.9MB in the beginning and 50.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.15ms. Allocated memory is still 142.6MB. Free memory was 50.0MB in the beginning and 48.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 817.18ms. Allocated memory is still 142.6MB. Free memory was 48.8MB in the beginning and 81.1MB in the end (delta: -32.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * CodeCheck took 764.55ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 108.9MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.64ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 108.8MB 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 [2024-11-25 04:48:12,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/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_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3 --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 a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:48:15,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:48:15,312 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:48:15,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:48:15,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:48:15,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:48:15,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:48:15,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:48:15,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:48:15,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:48:15,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:48:15,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:48:15,359 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:48:15,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:48:15,359 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:48:15,359 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:48:15,359 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:48:15,359 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:48:15,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:48:15,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:48:15,360 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:48:15,360 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:48:15,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:48:15,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:48:15,360 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:48:15,360 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:15,360 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:48:15,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:48:15,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:15,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:48:15,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:48:15,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:48:15,362 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:48:15,362 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:15,362 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:48:15,362 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_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3 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 -> a1b665e81b209ec1deb7c6e73a8211a3a042d9bef010adb8f6cd4b8cff4a8cda [2024-11-25 04:48:15,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:48:15,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:48:15,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:48:15,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:48:15,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:48:15,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-11-25 04:48:18,823 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/e6b8a37c5/7acdcb2d87e845518f4c04a7b6b6573d/FLAG6ca4def9a [2024-11-25 04:48:19,280 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:48:19,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_44_bad.i [2024-11-25 04:48:19,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/e6b8a37c5/7acdcb2d87e845518f4c04a7b6b6573d/FLAG6ca4def9a [2024-11-25 04:48:19,326 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/data/e6b8a37c5/7acdcb2d87e845518f4c04a7b6b6573d [2024-11-25 04:48:19,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:48:19,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:48:19,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:19,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:48:19,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:48:19,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:19" (1/1) ... [2024-11-25 04:48:19,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b9f19cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:19, skipping insertion in model container [2024-11-25 04:48:19,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:48:19" (1/1) ... [2024-11-25 04:48:19,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:48:20,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:20,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:48:20,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:48:20,727 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:48:20,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20 WrapperNode [2024-11-25 04:48:20,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:48:20,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:20,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:48:20,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:48:20,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,789 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2024-11-25 04:48:20,789 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:48:20,790 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:48:20,790 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:48:20,790 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:48:20,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,799 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,806 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:48:20,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:48:20,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:48:20,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:48:20,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:48:20" (1/1) ... [2024-11-25 04:48:20,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:48:20,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:48:20,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:48:20,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:48:20,881 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:48:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:48:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:48:20,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:48:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:48:21,064 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:48:21,066 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:48:21,227 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-25 04:48:21,227 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:48:21,367 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:48:21,367 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:48:21,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:21 BoogieIcfgContainer [2024-11-25 04:48:21,368 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:48:21,369 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:48:21,369 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:48:21,380 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:48:21,380 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:21" (1/1) ... [2024-11-25 04:48:21,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:48:21,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:48:21,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:48:21,447 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:48:21,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:48:21,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:48:21,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:48:21,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:48:21,456 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:48:21,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:48:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:21,654 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:48:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:21,775 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:48:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:48:21,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:48:21,813 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:48:21,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:48:21 ImpRootNode [2024-11-25 04:48:21,843 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:48:21,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:48:21,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:48:21,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:48:21,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:48:21" (3/4) ... [2024-11-25 04:48:21,848 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:48:21,898 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 04:48:21,940 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:48:21,940 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:48:21,941 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:48:21,941 INFO L158 Benchmark]: Toolchain (without parser) took 2609.67ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 66.5MB in the end (delta: 23.5MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-11-25 04:48:21,942 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:21,942 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1394.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.7MB in the end (delta: 22.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-25 04:48:21,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.53ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:48:21,943 INFO L158 Benchmark]: Boogie Preprocessor took 25.44ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:48:21,943 INFO L158 Benchmark]: RCFGBuilder took 552.10ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 84.5MB in the end (delta: -21.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-25 04:48:21,944 INFO L158 Benchmark]: CodeCheck took 474.85ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 71.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:48:21,944 INFO L158 Benchmark]: Witness Printer took 95.89ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 66.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:48:21,946 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: 0.4s, 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1551]: integer overflow possible integer overflow possible We found a 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1560] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1561] CALL funcPtr(data) [L1551] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1394.99ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 67.7MB in the end (delta: 22.0MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.53ms. Allocated memory is still 117.4MB. Free memory was 67.7MB in the beginning and 65.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.44ms. Allocated memory is still 117.4MB. Free memory was 65.0MB in the beginning and 63.2MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 552.10ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 84.5MB in the end (delta: -21.2MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * CodeCheck took 474.85ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 71.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 95.89ms. Allocated memory is still 117.4MB. Free memory was 71.3MB in the beginning and 66.5MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:48:21,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f5a1ffe-cca6-4c83-a605-77af3098e487/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)