./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/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_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/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_95423e33-be71-444a-82b7-da9f5be4868f/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 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:26:53,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:26:53,958 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:26:53,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:26:53,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:26:54,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:26:54,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:26:54,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:26:54,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:26:54,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:26:54,006 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:26:54,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:26:54,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:26:54,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:26:54,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:26:54,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:26:54,008 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:26:54,008 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:26:54,008 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:26:54,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:26:54,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:26:54,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:26:54,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:26:54,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:26:54,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:26:54,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:26:54,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:26:54,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:26:54,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:26:54,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:26:54,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:26:54,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:26:54,019 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_95423e33-be71-444a-82b7-da9f5be4868f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2024-11-09 00:26:54,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:26:54,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:26:54,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:26:54,365 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:26:54,366 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:26:54,367 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i Unable to find full path for "g++" [2024-11-09 00:26:56,356 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:26:56,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:26:56,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2024-11-09 00:26:56,725 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data/7ae498386/f7ee10fabb4949529dc15239e662c9e0/FLAG5f561e65a [2024-11-09 00:26:56,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data/7ae498386/f7ee10fabb4949529dc15239e662c9e0 [2024-11-09 00:26:56,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:26:56,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:26:56,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:26:56,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:26:56,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:26:56,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:26:56" (1/1) ... [2024-11-09 00:26:56,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e9914e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:56, skipping insertion in model container [2024-11-09 00:26:56,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:26:56" (1/1) ... [2024-11-09 00:26:57,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:26:58,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:26:58,107 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:26:58,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:26:58,358 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:26:58,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58 WrapperNode [2024-11-09 00:26:58,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:26:58,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:26:58,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:26:58,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:26:58,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,394 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,420 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-09 00:26:58,420 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:26:58,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:26:58,421 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:26:58,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:26:58,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,444 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:26:58,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:26:58,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:26:58,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:26:58,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:26:58" (1/1) ... [2024-11-09 00:26:58,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:26:58,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:26:58,490 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:26:58,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:26:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:26:58,541 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:26:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:26:58,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:26:58,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:26:58,752 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:26:58,754 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:26:59,031 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-09 00:26:59,031 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:26:59,321 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:26:59,321 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:26:59,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:59 BoogieIcfgContainer [2024-11-09 00:26:59,321 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:26:59,324 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:26:59,324 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:26:59,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:26:59,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:59" (1/1) ... [2024-11-09 00:26:59,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:26:59,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:26:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:26:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:26:59,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:59,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:26:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:26:59,752 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:26:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:26:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:26:59,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:26:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:00,010 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:27:00,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:27:00 ImpRootNode [2024-11-09 00:27:00,045 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:27:00,046 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:27:00,046 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:27:00,046 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:27:00,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:26:59" (3/4) ... [2024-11-09 00:27:00,051 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:27:00,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:27:00,053 INFO L158 Benchmark]: Toolchain (without parser) took 3115.51ms. Allocated memory is still 144.7MB. Free memory was 105.4MB in the beginning and 74.3MB in the end (delta: 31.1MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2024-11-09 00:27:00,054 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 144.7MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:00,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1420.66ms. Allocated memory is still 144.7MB. Free memory was 105.4MB in the beginning and 103.0MB in the end (delta: 2.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-09 00:27:00,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.73ms. Allocated memory is still 144.7MB. Free memory was 103.0MB in the beginning and 99.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:27:00,057 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 144.7MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:27:00,058 INFO L158 Benchmark]: RCFGBuilder took 875.42ms. Allocated memory is still 144.7MB. Free memory was 98.2MB in the beginning and 55.6MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-09 00:27:00,060 INFO L158 Benchmark]: CodeCheck took 720.72ms. Allocated memory is still 144.7MB. Free memory was 55.6MB in the beginning and 75.2MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:00,060 INFO L158 Benchmark]: Witness Printer took 6.61ms. Allocated memory is still 144.7MB. Free memory was 75.2MB in the beginning and 74.3MB in the end (delta: 945.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:00,065 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: 0.6s, 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, 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 - UnprovableResult [Line: 1559]: 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 1568, 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --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 1.02ms. Allocated memory is still 144.7MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1420.66ms. Allocated memory is still 144.7MB. Free memory was 105.4MB in the beginning and 103.0MB in the end (delta: 2.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.73ms. Allocated memory is still 144.7MB. Free memory was 103.0MB in the beginning and 99.6MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 144.7MB. Free memory was 99.6MB in the beginning and 98.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 875.42ms. Allocated memory is still 144.7MB. Free memory was 98.2MB in the beginning and 55.6MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 720.72ms. Allocated memory is still 144.7MB. Free memory was 55.6MB in the beginning and 75.2MB in the end (delta: -19.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.61ms. Allocated memory is still 144.7MB. Free memory was 75.2MB in the beginning and 74.3MB in the end (delta: 945.4kB). 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 00:27:00,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/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_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/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_95423e33-be71-444a-82b7-da9f5be4868f/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 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:27:02,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:27:02,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:27:02,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:27:02,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:27:02,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:27:02,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:27:02,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:27:02,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:27:02,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:27:02,593 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:27:02,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:27:02,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:27:02,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:27:02,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:27:02,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:27:02,602 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:27:02,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:27:02,602 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:27:02,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:27:02,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:27:02,612 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:27:02,613 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:27:02,613 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:27:02,613 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:27:02,613 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:02,614 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:27:02,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:27:02,614 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:02,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:27:02,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:27:02,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:27:02,620 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:27:02,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:02,620 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:27:02,621 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_95423e33-be71-444a-82b7-da9f5be4868f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d2a5b81ae1e36d2509be28e0377a91f23408f92f2bcc20167ca32c16fd094b2 [2024-11-09 00:27:03,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:27:03,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:27:03,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:27:03,106 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:27:03,107 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:27:03,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i Unable to find full path for "g++" [2024-11-09 00:27:05,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:27:05,672 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:27:05,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_14_bad.i [2024-11-09 00:27:05,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data/c1c256638/2fb21eb0f9214608be7719cac3b1a7fb/FLAGa418f18b2 [2024-11-09 00:27:05,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/data/c1c256638/2fb21eb0f9214608be7719cac3b1a7fb [2024-11-09 00:27:05,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:27:05,809 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:27:05,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:05,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:27:05,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:27:05,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:05" (1/1) ... [2024-11-09 00:27:05,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28be98fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:05, skipping insertion in model container [2024-11-09 00:27:05,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:27:05" (1/1) ... [2024-11-09 00:27:05,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:27:07,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:07,163 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:27:07,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:27:07,438 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:27:07,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07 WrapperNode [2024-11-09 00:27:07,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:27:07,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:07,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:27:07,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:27:07,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,508 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-09 00:27:07,508 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:27:07,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:27:07,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:27:07,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:27:07,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:27:07,558 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:27:07,558 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:27:07,558 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:27:07,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:27:07" (1/1) ... [2024-11-09 00:27:07,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:27:07,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:27:07,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:27:07,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:27:07,630 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:27:07,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:27:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:27:07,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:27:07,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:27:07,835 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:27:07,837 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:27:08,052 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 00:27:08,053 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:27:08,178 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:27:08,178 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:27:08,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:08 BoogieIcfgContainer [2024-11-09 00:27:08,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:27:08,181 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:27:08,181 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:27:08,192 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:27:08,192 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:08" (1/1) ... [2024-11-09 00:27:08,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:27:08,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:08,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:27:08,277 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:27:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:27:08,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:08,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:08,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:08,288 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:08,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:27:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:08,512 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:27:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:08,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:27:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:27:08,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:27:08,709 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:27:08,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:27:08 ImpRootNode [2024-11-09 00:27:08,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:27:08,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:27:08,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:27:08,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:27:08,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:27:08" (3/4) ... [2024-11-09 00:27:08,752 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:27:08,753 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:27:08,754 INFO L158 Benchmark]: Toolchain (without parser) took 2944.58ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 57.8MB in the beginning and 60.4MB in the end (delta: -2.6MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-11-09 00:27:08,754 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:08,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1628.98ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 49.3MB in the end (delta: 8.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-09 00:27:08,756 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.25ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 45.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:27:08,756 INFO L158 Benchmark]: Boogie Preprocessor took 44.10ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 43.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:27:08,758 INFO L158 Benchmark]: RCFGBuilder took 622.47ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 43.9MB in the beginning and 75.7MB in the end (delta: -31.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-09 00:27:08,759 INFO L158 Benchmark]: CodeCheck took 564.26ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 60.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:27:08,760 INFO L158 Benchmark]: Witness Printer took 6.38ms. Allocated memory is still 115.3MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:27:08,765 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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 - UnprovableResult [Line: 1559]: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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)) [L1556] COND TRUE globalFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory was 39.2MB in the beginning and 39.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1628.98ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 49.3MB in the end (delta: 8.3MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.25ms. Allocated memory is still 86.0MB. Free memory was 49.3MB in the beginning and 45.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.10ms. Allocated memory is still 86.0MB. Free memory was 45.9MB in the beginning and 43.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.47ms. Allocated memory was 86.0MB in the beginning and 115.3MB in the end (delta: 29.4MB). Free memory was 43.9MB in the beginning and 75.7MB in the end (delta: -31.7MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 564.26ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 60.4MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.38ms. Allocated memory is still 115.3MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:27:08,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95423e33-be71-444a-82b7-da9f5be4868f/bin/ukojak-verify-ImItNfHLgk/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 Result: UNKNOWN: Overapproximated counterexample