./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_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_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/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_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/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_0c054e61-5abf-4c43-ae17-0726fec87870/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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:39:51,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:39:51,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 01:39:51,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:39:51,146 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:39:51,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:39:51,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:39:51,164 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:39:51,165 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:39:51,165 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:39:51,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:39:51,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:39:51,165 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:39:51,166 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:39:51,166 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:39:51,167 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:39:51,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:39:51,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:39:51,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:39:51,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:39:51,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:39:51,167 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:39:51,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:39:51,167 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_0c054e61-5abf-4c43-ae17-0726fec87870/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 -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2024-12-06 01:39:51,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:39:51,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:39:51,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:39:51,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:39:51,408 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:39:51,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-12-06 01:39:54,039 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/60a3c462c/ef27ae1f5c88427bb49d8b8878dc32ce/FLAG6934e1e1e [2024-12-06 01:39:54,348 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:39:54,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-12-06 01:39:54,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/60a3c462c/ef27ae1f5c88427bb49d8b8878dc32ce/FLAG6934e1e1e [2024-12-06 01:39:54,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/60a3c462c/ef27ae1f5c88427bb49d8b8878dc32ce [2024-12-06 01:39:54,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:39:54,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:39:54,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:39:54,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:39:54,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:39:54,591 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:39:54" (1/1) ... [2024-12-06 01:39:54,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277ef134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:54, skipping insertion in model container [2024-12-06 01:39:54,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:39:54" (1/1) ... [2024-12-06 01:39:54,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:39:55,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:39:55,225 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:39:55,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:39:55,400 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:39:55,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55 WrapperNode [2024-12-06 01:39:55,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:39:55,402 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:39:55,402 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:39:55,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:39:55,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,425 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,443 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-12-06 01:39:55,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:39:55,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:39:55,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:39:55,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:39:55,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,456 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,457 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:39:55,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:39:55,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:39:55,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:39:55,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:39:55,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:39:55,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:39:55,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:39:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:39:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:39:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:39:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 01:39:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:39:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:39:55,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:39:55,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:39:55,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 01:39:55,619 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:39:55,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:39:55,797 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-12-06 01:39:55,797 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:39:55,958 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:39:55,958 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:39:55,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:55 BoogieIcfgContainer [2024-12-06 01:39:55,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:39:55,960 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:39:55,960 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:39:55,969 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:39:55,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:55" (1/1) ... [2024-12-06 01:39:55,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:39:56,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:39:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:39:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:39:56,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:39:56,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:39:56,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:39:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:56,229 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:39:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:56,370 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:39:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:39:56,413 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:39:56,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:39:56 ImpRootNode [2024-12-06 01:39:56,435 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:39:56,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:39:56,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:39:56,436 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:39:56,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:39:55" (3/4) ... [2024-12-06 01:39:56,439 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:39:56,440 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:39:56,441 INFO L158 Benchmark]: Toolchain (without parser) took 1853.75ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 93.3MB in the end (delta: 20.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-12-06 01:39:56,441 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:56,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.67ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 104.7MB in the end (delta: 9.4MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2024-12-06 01:39:56,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.97ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:39:56,442 INFO L158 Benchmark]: Boogie Preprocessor took 17.17ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:56,443 INFO L158 Benchmark]: RCFGBuilder took 497.91ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 61.7MB in the end (delta: 39.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:39:56,443 INFO L158 Benchmark]: CodeCheck took 475.74ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 93.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:56,443 INFO L158 Benchmark]: Witness Printer took 4.01ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 93.3MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:39:56,445 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 - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --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 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.67ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 104.7MB in the end (delta: 9.4MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.97ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 101.9MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.17ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.91ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 61.7MB in the end (delta: 39.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 475.74ms. Allocated memory is still 142.6MB. Free memory was 61.7MB in the beginning and 93.3MB in the end (delta: -31.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.01ms. Allocated memory is still 142.6MB. Free memory was 93.3MB in the beginning and 93.3MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:39:56,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/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_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/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_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/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_0c054e61-5abf-4c43-ae17-0726fec87870/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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:39:58,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:39:58,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 01:39:58,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:39:58,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:39:58,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:39:58,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:39:58,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:39:58,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:39:58,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:39:58,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:39:58,444 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:39:58,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:39:58,445 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:39:58,445 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:39:58,445 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:39:58,445 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:58,445 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:39:58,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:39:58,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:39:58,446 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:39:58,446 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:39:58,446 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:39:58,446 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:39:58,446 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:39:58,446 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:39:58,446 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_0c054e61-5abf-4c43-ae17-0726fec87870/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 -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2024-12-06 01:39:58,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:39:58,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:39:58,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:39:58,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:39:58,670 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:39:58,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-12-06 01:40:01,348 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/82b7c8214/a75d84e614fe45869f6f9286b97164b4/FLAG82e4ea1f4 [2024-12-06 01:40:01,651 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:40:01,652 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-12-06 01:40:01,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/82b7c8214/a75d84e614fe45869f6f9286b97164b4/FLAG82e4ea1f4 [2024-12-06 01:40:01,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/data/82b7c8214/a75d84e614fe45869f6f9286b97164b4 [2024-12-06 01:40:01,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:40:01,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:40:01,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:40:01,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:40:01,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:40:01,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:40:01" (1/1) ... [2024-12-06 01:40:01,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d2d523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:01, skipping insertion in model container [2024-12-06 01:40:01,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:40:01" (1/1) ... [2024-12-06 01:40:01,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:40:02,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:40:02,608 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:40:02,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:40:02,837 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:40:02,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02 WrapperNode [2024-12-06 01:40:02,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:40:02,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:40:02,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:40:02,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:40:02,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,878 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-12-06 01:40:02,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:40:02,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:40:02,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:40:02,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:40:02,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,896 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:40:02,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:40:02,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:40:02,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:40:02,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:40:02" (1/1) ... [2024-12-06 01:40:02,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:40:02,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:40:02,934 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:40:02,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:40:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 01:40:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 01:40:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:40:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:40:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:40:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:40:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:40:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:40:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 01:40:03,086 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:40:03,088 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:40:03,205 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-06 01:40:03,205 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:40:03,259 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:40:03,259 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:40:03,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:40:03 BoogieIcfgContainer [2024-12-06 01:40:03,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:40:03,260 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:40:03,260 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:40:03,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:40:03,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:40:03" (1/1) ... [2024-12-06 01:40:03,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:40:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:40:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-06 01:40:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-06 01:40:03,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 01:40:03,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:40:03,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:40:03,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:40:03,312 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:40:03,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:40:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:40:03,479 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:40:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:40:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:40:03,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:40:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:40:03,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:40:03,664 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:40:03,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:40:03 ImpRootNode [2024-12-06 01:40:03,686 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:40:03,686 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:40:03,686 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:40:03,686 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:40:03,687 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:40:03" (3/4) ... [2024-12-06 01:40:03,688 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 01:40:03,719 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-12-06 01:40:03,752 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:40:03,752 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:40:03,752 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:40:03,753 INFO L158 Benchmark]: Toolchain (without parser) took 1818.74ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 48.2MB in the end (delta: 18.6MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2024-12-06 01:40:03,753 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:40:03,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.75ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 62.1MB in the end (delta: 4.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-12-06 01:40:03,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.40ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:40:03,754 INFO L158 Benchmark]: Boogie Preprocessor took 26.71ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:40:03,754 INFO L158 Benchmark]: RCFGBuilder took 353.48ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 39.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:40:03,755 INFO L158 Benchmark]: CodeCheck took 425.32ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 53.0MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:40:03,755 INFO L158 Benchmark]: Witness Printer took 66.09ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 48.2MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:40:03,757 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: 1568]: 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_63_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --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 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.75ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 62.1MB in the end (delta: 4.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.40ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.71ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.48ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 39.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 425.32ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 53.0MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.09ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 48.2MB 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! [2024-12-06 01:40:03,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c054e61-5abf-4c43-ae17-0726fec87870/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)