./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_41_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_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b --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 3545234169ce295ad9883e9c7d5c45a5c782796d824d643db0a0f97f96952fbb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:22:29,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:22:29,269 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:22:29,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:22:29,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:22:29,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:22:29,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:22:29,292 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:22:29,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:22:29,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:22:29,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:22:29,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:22:29,293 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:22:29,294 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:22:29,294 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:22:29,295 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:22:29,295 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:22:29,295 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:22:29,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:22:29,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:22:29,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:22:29,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:22:29,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:22:29,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:22:29,295 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_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b 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 -> 3545234169ce295ad9883e9c7d5c45a5c782796d824d643db0a0f97f96952fbb [2024-12-05 22:22:29,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:22:29,517 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:22:29,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:22:29,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:22:29,521 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:22:29,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_41_bad.i [2024-12-05 22:22:32,258 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/9bf7180f2/2b2bc11a607d4e6db9d7cd75cc5f5530/FLAGa687ab55d [2024-12-05 22:22:32,533 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:22:32,533 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_41_bad.i [2024-12-05 22:22:32,552 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/9bf7180f2/2b2bc11a607d4e6db9d7cd75cc5f5530/FLAGa687ab55d [2024-12-05 22:22:32,567 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/9bf7180f2/2b2bc11a607d4e6db9d7cd75cc5f5530 [2024-12-05 22:22:32,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:22:32,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:22:32,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:22:32,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:22:32,574 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:22:32,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:22:32" (1/1) ... [2024-12-05 22:22:32,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ae055b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:32, skipping insertion in model container [2024-12-05 22:22:32,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:22:32" (1/1) ... [2024-12-05 22:22:32,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:22:33,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:22:33,233 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:22:33,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:22:33,425 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:22:33,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33 WrapperNode [2024-12-05 22:22:33,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:22:33,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:22:33,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:22:33,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:22:33,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,465 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-12-05 22:22:33,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:22:33,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:22:33,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:22:33,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:22:33,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,479 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:22:33,489 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:22:33,489 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:22:33,489 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:22:33,490 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:33" (1/1) ... [2024-12-05 22:22:33,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:22:33,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:22:33,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:22:33,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:22:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:22:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:22:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:22:33,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:22:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:22:33,665 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:22:33,667 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:22:33,847 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-05 22:22:33,848 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:22:34,015 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:22:34,015 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:22:34,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:22:34 BoogieIcfgContainer [2024-12-05 22:22:34,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:22:34,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:22:34,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:22:34,027 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:22:34,027 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:22:34" (1/1) ... [2024-12-05 22:22:34,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:22:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 22:22:34,086 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 22:22:34,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:22:34,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:34,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:22:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:34,332 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:22:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:34,475 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:22:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:34,515 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:22:34,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:22:34 ImpRootNode [2024-12-05 22:22:34,538 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:22:34,539 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:22:34,539 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:22:34,539 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:22:34,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:22:34" (3/4) ... [2024-12-05 22:22:34,542 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:22:34,543 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:22:34,544 INFO L158 Benchmark]: Toolchain (without parser) took 1974.24ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 89.2MB in the beginning and 122.6MB in the end (delta: -33.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-12-05 22:22:34,544 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:34,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.42ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 78.1MB in the end (delta: 10.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-12-05 22:22:34,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.79ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 75.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:34,546 INFO L158 Benchmark]: Boogie Preprocessor took 22.33ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:34,546 INFO L158 Benchmark]: RCFGBuilder took 527.25ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 37.7MB in the end (delta: 36.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-05 22:22:34,546 INFO L158 Benchmark]: CodeCheck took 521.43ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 37.2MB in the beginning and 122.6MB in the end (delta: -85.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:34,547 INFO L158 Benchmark]: Witness Printer took 4.44ms. Allocated memory is still 184.5MB. Free memory was 122.6MB in the beginning and 122.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:34,549 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, 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_postdec_41_bad() [L1558] int data; [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 badSink(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 855.42ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 78.1MB in the end (delta: 10.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.79ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 75.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.33ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 527.25ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 37.7MB in the end (delta: 36.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 521.43ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 37.2MB in the beginning and 122.6MB in the end (delta: -85.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.44ms. Allocated memory is still 184.5MB. Free memory was 122.6MB in the beginning and 122.6MB 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 [2024-12-05 22:22:34,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/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_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b --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 3545234169ce295ad9883e9c7d5c45a5c782796d824d643db0a0f97f96952fbb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:22:36,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:22:36,659 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:22:36,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:22:36,687 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:22:36,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:22:36,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:22:36,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:22:36,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:22:36,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:22:36,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:22:36,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:22:36,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:22:36,690 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:22:36,690 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:22:36,690 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:22:36,690 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:36,690 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:22:36,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:22:36,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:22:36,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:22:36,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:22:36,690 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:22:36,691 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:22:36,691 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:36,691 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:22:36,691 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_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b 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 -> 3545234169ce295ad9883e9c7d5c45a5c782796d824d643db0a0f97f96952fbb [2024-12-05 22:22:36,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:22:36,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:22:36,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:22:36,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:22:36,961 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:22:36,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_41_bad.i [2024-12-05 22:22:39,659 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/834cf194e/ef869c47d5094346b33584206f361679/FLAGe76d13d81 [2024-12-05 22:22:39,919 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:22:39,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_41_bad.i [2024-12-05 22:22:39,940 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/834cf194e/ef869c47d5094346b33584206f361679/FLAGe76d13d81 [2024-12-05 22:22:40,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/data/834cf194e/ef869c47d5094346b33584206f361679 [2024-12-05 22:22:40,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:22:40,213 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:22:40,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:22:40,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:22:40,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:22:40,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:22:40" (1/1) ... [2024-12-05 22:22:40,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45368424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:40, skipping insertion in model container [2024-12-05 22:22:40,218 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:22:40" (1/1) ... [2024-12-05 22:22:40,250 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:22:40,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:22:40,884 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:22:40,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:22:41,098 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:22:41,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41 WrapperNode [2024-12-05 22:22:41,099 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:22:41,100 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:22:41,100 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:22:41,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:22:41,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,126 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,144 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-12-05 22:22:41,145 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:22:41,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:22:41,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:22:41,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:22:41,153 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,153 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:22:41,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:22:41,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:22:41,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:22:41,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:22:41,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:22:41,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:22:41,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:22:41,233 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:22:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:22:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:22:41,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:22:41,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:22:41,354 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:22:41,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:22:41,464 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-05 22:22:41,464 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:22:41,522 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:22:41,522 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:22:41,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:22:41 BoogieIcfgContainer [2024-12-05 22:22:41,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:22:41,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:22:41,523 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:22:41,530 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:22:41,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:22:41" (1/1) ... [2024-12-05 22:22:41,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:22:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:41,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 22:22:41,577 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 22:22:41,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:22:41,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:41,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:41,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:41,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:22:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:41,731 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:22:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:41,808 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:22:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:22:41,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:22:41,844 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:22:41,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:22:41 ImpRootNode [2024-12-05 22:22:41,866 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:22:41,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:22:41,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:22:41,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:22:41,868 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:22:41" (3/4) ... [2024-12-05 22:22:41,869 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:22:41,904 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-05 22:22:41,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:22:41,939 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:22:41,939 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:22:41,940 INFO L158 Benchmark]: Toolchain (without parser) took 1726.62ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 53.2MB in the end (delta: 13.3MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-12-05 22:22:41,940 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:41,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 885.27ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.8MB in the end (delta: 3.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2024-12-05 22:22:41,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.03ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:41,942 INFO L158 Benchmark]: Boogie Preprocessor took 27.51ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 58.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:41,942 INFO L158 Benchmark]: RCFGBuilder took 348.98ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 41.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:22:41,942 INFO L158 Benchmark]: CodeCheck took 343.32ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 58.2MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:41,943 INFO L158 Benchmark]: Witness Printer took 72.09ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 53.2MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:41,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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_postdec_41_bad() [L1558] int data; [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 badSink(data) [L1551] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 885.27ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 62.8MB in the end (delta: 3.4MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.03ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 60.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.51ms. Allocated memory is still 92.3MB. Free memory was 60.2MB in the beginning and 58.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.98ms. Allocated memory is still 92.3MB. Free memory was 58.4MB in the beginning and 41.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 343.32ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 58.2MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 72.09ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 53.2MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:22:41,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d6cdea-7367-4df8-9c83-a06a48ec7c84/bin/ukojak-verify-CZk0znPC7b/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)