./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_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_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/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_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/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_28d53b6b-8398-450d-bbab-60986dc546c2/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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:37:59,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:37:59,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:37:59,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:37:59,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:37:59,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:37:59,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:37:59,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:37:59,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:37:59,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:37:59,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:37:59,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:37:59,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:37:59,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:37:59,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:37:59,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:37:59,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:37:59,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:37:59,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:37:59,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:37:59,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:37:59,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:37:59,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:37:59,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:37:59,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:37:59,997 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_28d53b6b-8398-450d-bbab-60986dc546c2/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 -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2024-12-05 22:38:00,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:38:00,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:38:00,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:38:00,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:38:00,246 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:38:00,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2024-12-05 22:38:02,877 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/fe82120a8/d781a863635347d9afd085745ddeddf4/FLAG523f786a6 [2024-12-05 22:38:03,215 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:38:03,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2024-12-05 22:38:03,238 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/fe82120a8/d781a863635347d9afd085745ddeddf4/FLAG523f786a6 [2024-12-05 22:38:03,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/fe82120a8/d781a863635347d9afd085745ddeddf4 [2024-12-05 22:38:03,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:38:03,468 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:38:03,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:38:03,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:38:03,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:38:03,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:38:03" (1/1) ... [2024-12-05 22:38:03,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500dd799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:03, skipping insertion in model container [2024-12-05 22:38:03,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:38:03" (1/1) ... [2024-12-05 22:38:03,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:38:04,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:38:04,116 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:38:04,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:38:04,297 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:38:04,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04 WrapperNode [2024-12-05 22:38:04,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:38:04,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:38:04,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:38:04,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:38:04,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,341 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-12-05 22:38:04,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:38:04,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:38:04,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:38:04,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:38:04,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,355 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:38:04,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:38:04,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:38:04,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:38:04,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:38:04,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:38:04,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:38:04,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:38:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:38:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:38:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:38:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:38:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:38:04,504 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:38:04,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:38:04,680 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-12-05 22:38:04,680 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:38:04,842 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:38:04,842 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:38:04,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:38:04 BoogieIcfgContainer [2024-12-05 22:38:04,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:38:04,843 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:38:04,843 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:38:04,852 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:38:04,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:38:04" (1/1) ... [2024-12-05 22:38:04,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:38:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:38:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:38:04,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:38:04,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:04,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:38:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:05,083 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:38:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:05,235 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:38:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:05,278 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:38:05,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:38:05 ImpRootNode [2024-12-05 22:38:05,305 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:38:05,305 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:38:05,305 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:38:05,306 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:38:05,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:38:04" (3/4) ... [2024-12-05 22:38:05,308 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:38:05,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:38:05,310 INFO L158 Benchmark]: Toolchain (without parser) took 1842.09ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 98.4MB in the end (delta: 16.0MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-12-05 22:38:05,311 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:05,311 INFO L158 Benchmark]: CACSL2BoogieTranslator took 828.78ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 54.8MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:38:05,312 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.35ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 112.8MB in the end (delta: -58.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-12-05 22:38:05,312 INFO L158 Benchmark]: Boogie Preprocessor took 17.91ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:05,313 INFO L158 Benchmark]: RCFGBuilder took 482.59ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 74.2MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:38:05,313 INFO L158 Benchmark]: CodeCheck took 461.85ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 98.4MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:05,313 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 98.4MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:05,316 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, 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 142.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 828.78ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 54.8MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.35ms. Allocated memory is still 142.6MB. Free memory was 54.8MB in the beginning and 112.8MB in the end (delta: -58.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.91ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 111.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 482.59ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 74.2MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 461.85ms. Allocated memory is still 142.6MB. Free memory was 74.2MB in the beginning and 98.4MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 98.4MB 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 [2024-12-05 22:38:05,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/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_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/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_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/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_28d53b6b-8398-450d-bbab-60986dc546c2/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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:38:07,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:38:07,344 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:38:07,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:38:07,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:38:07,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:38:07,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:38:07,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:38:07,373 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:38:07,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:38:07,374 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:07,374 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:38:07,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:38:07,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:38:07,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:38:07,375 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:38:07,375 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:38:07,375 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:38:07,375 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:07,375 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:38:07,375 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_28d53b6b-8398-450d-bbab-60986dc546c2/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 -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2024-12-05 22:38:07,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:38:07,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:38:07,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:38:07,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:38:07,646 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:38:07,647 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2024-12-05 22:38:10,268 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/a97e49b6d/5729800984004c68a3340144061eca9c/FLAGa43e2d216 [2024-12-05 22:38:10,594 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:38:10,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2024-12-05 22:38:10,615 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/a97e49b6d/5729800984004c68a3340144061eca9c/FLAGa43e2d216 [2024-12-05 22:38:10,627 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/data/a97e49b6d/5729800984004c68a3340144061eca9c [2024-12-05 22:38:10,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:38:10,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:38:10,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:38:10,632 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:38:10,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:38:10,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:38:10" (1/1) ... [2024-12-05 22:38:10,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5477f554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:10, skipping insertion in model container [2024-12-05 22:38:10,637 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:38:10" (1/1) ... [2024-12-05 22:38:10,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:38:11,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:38:11,303 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:38:11,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:38:11,507 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:38:11,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11 WrapperNode [2024-12-05 22:38:11,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:38:11,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:38:11,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:38:11,509 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:38:11,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,547 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2024-12-05 22:38:11,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:38:11,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:38:11,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:38:11,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:38:11,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,564 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,567 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:38:11,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:38:11,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:38:11,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:38:11,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:38:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:38:11,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:38:11,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:38:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:38:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:38:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:38:11,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:38:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:38:11,741 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:38:11,742 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:38:11,844 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-05 22:38:11,844 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:38:11,899 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:38:11,899 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:38:11,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:38:11 BoogieIcfgContainer [2024-12-05 22:38:11,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:38:11,900 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:38:11,900 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:38:11,907 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:38:11,907 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:38:11" (1/1) ... [2024-12-05 22:38:11,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:38:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:38:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:38:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:38:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:38:11,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:38:11,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:38:11,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:38:11,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:38:11,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:38:12,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:12,087 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:38:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:12,195 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:38:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:38:12,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:38:12,227 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:38:12,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:38:12 ImpRootNode [2024-12-05 22:38:12,249 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:38:12,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:38:12,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:38:12,250 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:38:12,251 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:38:11" (3/4) ... [2024-12-05 22:38:12,252 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:38:12,286 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 22:38:12,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:38:12,324 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:38:12,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:38:12,325 INFO L158 Benchmark]: Toolchain (without parser) took 1694.52ms. Allocated memory is still 92.3MB. Free memory was 65.8MB in the beginning and 51.9MB in the end (delta: 13.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-12-05 22:38:12,325 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:12,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 876.94ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.0MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-12-05 22:38:12,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.43ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:12,326 INFO L158 Benchmark]: Boogie Preprocessor took 24.79ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:12,326 INFO L158 Benchmark]: RCFGBuilder took 326.03ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 40.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:38:12,326 INFO L158 Benchmark]: CodeCheck took 349.40ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 57.0MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:12,327 INFO L158 Benchmark]: Witness Printer took 73.96ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 51.9MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:38:12,329 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, 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 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 876.94ms. Allocated memory is still 92.3MB. Free memory was 65.6MB in the beginning and 62.0MB in the end (delta: 3.6MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.43ms. Allocated memory is still 92.3MB. Free memory was 62.0MB in the beginning and 59.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.79ms. Allocated memory is still 92.3MB. Free memory was 59.3MB in the beginning and 57.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.03ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 40.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 349.40ms. Allocated memory is still 92.3MB. Free memory was 40.7MB in the beginning and 57.0MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.96ms. Allocated memory is still 92.3MB. Free memory was 57.0MB in the beginning and 51.9MB 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 22:38:12,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28d53b6b-8398-450d-bbab-60986dc546c2/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)