./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk --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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:49:12,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:49:12,210 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:49:12,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:49:12,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:49:12,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:49:12,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:49:12,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:49:12,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:49:12,277 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:49:12,277 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:49:12,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:49:12,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:49:12,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:49:12,284 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:49:12,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:49:12,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:49:12,285 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:49:12,285 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:49:12,286 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:49:12,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:49:12,295 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:49:12,295 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:49:12,296 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:49:12,296 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:49:12,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:49:12,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:12,297 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:49:12,297 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:49:12,298 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:49:12,298 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:49:12,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:49:12,307 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-11-09 00:49:12,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:49:12,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:49:12,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:49:12,741 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:49:12,742 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:49:12,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i Unable to find full path for "g++" [2024-11-09 00:49:15,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:49:15,725 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:49:15,726 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-09 00:49:15,753 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data/04a99fa8c/da306458e80243789febd4e67e1239e4/FLAGf5034bdeb [2024-11-09 00:49:16,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data/04a99fa8c/da306458e80243789febd4e67e1239e4 [2024-11-09 00:49:16,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:49:16,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:49:16,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:16,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:49:16,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:49:16,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:16" (1/1) ... [2024-11-09 00:49:16,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174a2f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:16, skipping insertion in model container [2024-11-09 00:49:16,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:16" (1/1) ... [2024-11-09 00:49:16,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:49:17,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:17,666 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:49:17,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:18,062 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:49:18,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18 WrapperNode [2024-11-09 00:49:18,063 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:18,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:18,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:49:18,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:49:18,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,165 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 103 [2024-11-09 00:49:18,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:18,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:49:18,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:49:18,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:49:18,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,221 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:49:18,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:49:18,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:49:18,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:49:18,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:18" (1/1) ... [2024-11-09 00:49:18,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:18,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:49:18,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:49:18,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:49:18,331 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:49:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:49:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:49:18,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:49:18,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:49:18,549 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:49:18,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:49:18,923 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-09 00:49:18,924 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:49:19,226 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:49:19,226 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:49:19,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:19 BoogieIcfgContainer [2024-11-09 00:49:19,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:49:19,228 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:49:19,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:49:19,241 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:49:19,242 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:19" (1/1) ... [2024-11-09 00:49:19,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:49:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:49:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:49:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:49:19,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:19,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:19,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:19,935 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:20,033 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:49:20,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:49:20 ImpRootNode [2024-11-09 00:49:20,074 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:49:20,075 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:49:20,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:49:20,078 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:49:20,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:19" (3/4) ... [2024-11-09 00:49:20,083 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:49:20,084 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:49:20,087 INFO L158 Benchmark]: Toolchain (without parser) took 3829.96ms. Allocated memory is still 182.5MB. Free memory was 149.1MB in the beginning and 74.0MB in the end (delta: 75.1MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-09 00:49:20,088 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 123.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:20,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1803.25ms. Allocated memory is still 182.5MB. Free memory was 149.1MB in the beginning and 83.2MB in the end (delta: 65.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:20,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.05ms. Allocated memory is still 182.5MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:20,092 INFO L158 Benchmark]: Boogie Preprocessor took 54.93ms. Allocated memory is still 182.5MB. Free memory was 80.2MB in the beginning and 149.5MB in the end (delta: -69.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-09 00:49:20,094 INFO L158 Benchmark]: RCFGBuilder took 1000.87ms. Allocated memory is still 182.5MB. Free memory was 149.5MB in the beginning and 109.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-11-09 00:49:20,095 INFO L158 Benchmark]: CodeCheck took 846.48ms. Allocated memory is still 182.5MB. Free memory was 109.6MB in the beginning and 75.0MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:49:20,096 INFO L158 Benchmark]: Witness Printer took 10.20ms. Allocated memory is still 182.5MB. Free memory was 75.0MB in the beginning and 74.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:20,102 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: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559, 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_52_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_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_52c_badSink(data) [L1572] --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 0.42ms. Allocated memory is still 123.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1803.25ms. Allocated memory is still 182.5MB. Free memory was 149.1MB in the beginning and 83.2MB in the end (delta: 65.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.05ms. Allocated memory is still 182.5MB. Free memory was 83.2MB in the beginning and 80.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.93ms. Allocated memory is still 182.5MB. Free memory was 80.2MB in the beginning and 149.5MB in the end (delta: -69.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.87ms. Allocated memory is still 182.5MB. Free memory was 149.5MB in the beginning and 109.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 846.48ms. Allocated memory is still 182.5MB. Free memory was 109.6MB in the beginning and 75.0MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 10.20ms. Allocated memory is still 182.5MB. Free memory was 75.0MB in the beginning and 74.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:49:20,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk --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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:49:22,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:49:22,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:49:22,865 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:49:22,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:49:22,866 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:49:22,867 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:49:22,868 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:49:22,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:49:22,869 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:49:22,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:49:22,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:49:22,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:49:22,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:49:22,871 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:49:22,871 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:49:22,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:49:22,872 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:49:22,872 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:49:22,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:49:22,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:49:22,877 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:49:22,877 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:49:22,878 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:49:22,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:49:22,882 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:22,883 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:49:22,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:49:22,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:22,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:49:22,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:49:22,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:49:22,885 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:49:22,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:22,885 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:49:22,886 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-11-09 00:49:23,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:49:23,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:49:23,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:49:23,325 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:49:23,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:49:23,329 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i Unable to find full path for "g++" [2024-11-09 00:49:25,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:49:26,145 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:49:26,145 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-09 00:49:26,180 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data/8c588303b/43f88d5589854e7ea57a86c8a427f50e/FLAG7d07eb2b4 [2024-11-09 00:49:26,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/data/8c588303b/43f88d5589854e7ea57a86c8a427f50e [2024-11-09 00:49:26,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:49:26,199 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:49:26,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:26,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:49:26,205 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:49:26,206 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:26" (1/1) ... [2024-11-09 00:49:26,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@589bdeb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:26, skipping insertion in model container [2024-11-09 00:49:26,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:26" (1/1) ... [2024-11-09 00:49:26,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:49:27,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:27,731 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:49:27,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:28,088 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:49:28,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28 WrapperNode [2024-11-09 00:49:28,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:28,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:28,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:49:28,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:49:28,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,189 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-11-09 00:49:28,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:28,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:49:28,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:49:28,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:49:28,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,209 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:49:28,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:49:28,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:49:28,235 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:49:28,236 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:49:28,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:49:28,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:49:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:49:28,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:49:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:49:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:49:28,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:49:28,590 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:49:28,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:49:28,826 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-09 00:49:28,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:49:28,916 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:49:28,917 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:49:28,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:28 BoogieIcfgContainer [2024-11-09 00:49:28,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:49:28,919 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:49:28,919 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:49:28,934 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:49:28,934 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:49:29,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:29,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:49:29,058 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:49:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:49:29,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:29,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:29,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:29,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:29,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:49:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:29,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:29,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:29,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:49:29,594 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:49:29,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:49:29 ImpRootNode [2024-11-09 00:49:29,638 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:49:29,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:49:29,641 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:49:29,642 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:49:29,643 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:28" (3/4) ... [2024-11-09 00:49:29,647 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:49:29,648 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:49:29,650 INFO L158 Benchmark]: Toolchain (without parser) took 3450.00ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 43.6MB in the beginning and 59.0MB in the end (delta: -15.4MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-09 00:49:29,650 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 91.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:29,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1888.97ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 43.5MB in the beginning and 43.0MB in the end (delta: 432.5kB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-11-09 00:49:29,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.11ms. Allocated memory is still 96.5MB. Free memory was 43.0MB in the beginning and 67.1MB in the end (delta: -24.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-11-09 00:49:29,654 INFO L158 Benchmark]: Boogie Preprocessor took 42.95ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:29,655 INFO L158 Benchmark]: RCFGBuilder took 683.51ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 46.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:49:29,657 INFO L158 Benchmark]: CodeCheck took 720.12ms. Allocated memory is still 96.5MB. Free memory was 46.2MB in the beginning and 59.6MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:29,658 INFO L158 Benchmark]: Witness Printer took 7.48ms. Allocated memory is still 96.5MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:29,665 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. 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_52_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_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_52c_badSink(data) [L1572] --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 0.52ms. Allocated memory is still 71.3MB. Free memory was 47.0MB in the beginning and 46.9MB in the end (delta: 91.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1888.97ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 43.5MB in the beginning and 43.0MB in the end (delta: 432.5kB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.11ms. Allocated memory is still 96.5MB. Free memory was 43.0MB in the beginning and 67.1MB in the end (delta: -24.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.95ms. Allocated memory is still 96.5MB. Free memory was 67.1MB in the beginning and 65.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.51ms. Allocated memory is still 96.5MB. Free memory was 65.1MB in the beginning and 46.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 720.12ms. Allocated memory is still 96.5MB. Free memory was 46.2MB in the beginning and 59.6MB in the end (delta: -13.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.48ms. Allocated memory is still 96.5MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:49:29,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_588a3f5d-3c0b-4fdf-9c9f-767fba4daacd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample