./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_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_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/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_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/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_9560d768-1997-47ad-bc07-495b7f3c95ad/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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:23,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:23,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:27:23,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:27:23,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:27:23,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:23,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:23,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:23,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:23,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:23,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:23,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:23,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:27:23,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:23,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:23,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:23,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:23,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:23,312 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:27:23,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:27:23,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:23,317 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:23,318 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:23,318 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:23,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:23,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:23,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:23,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:23,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:23,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:23,321 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:27:23,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:27:23,322 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_9560d768-1997-47ad-bc07-495b7f3c95ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2024-11-08 19:27:23,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:23,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:23,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:23,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:23,702 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:23,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i Unable to find full path for "g++" [2024-11-08 19:27:25,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:26,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:26,130 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-08 19:27:26,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data/23444c2ba/dc01aeb1fa234be0a1c505b5b14a3ca1/FLAG46c8c9823 [2024-11-08 19:27:26,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data/23444c2ba/dc01aeb1fa234be0a1c505b5b14a3ca1 [2024-11-08 19:27:26,194 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:26,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:26,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:26,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:26,204 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:26,205 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:26" (1/1) ... [2024-11-08 19:27:26,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e61d8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:26, skipping insertion in model container [2024-11-08 19:27:26,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:26" (1/1) ... [2024-11-08 19:27:26,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:27,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:27,658 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:27:27,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:28,064 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:27:28,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28 WrapperNode [2024-11-08 19:27:28,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:28,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:28,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:27:28,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:27:28,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,147 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-08 19:27:28,147 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:28,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:27:28,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:27:28,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:27:28,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:27:28,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:27:28,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:27:28,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:27:28,197 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:28" (1/1) ... [2024-11-08 19:27:28,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:28,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:27:28,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:27:28,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:27:28,283 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:27:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:27:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:27:28,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:27:28,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:27:28,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:27:28,530 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:27:28,788 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 19:27:28,789 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:27:29,122 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:27:29,123 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:27:29,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:29 BoogieIcfgContainer [2024-11-08 19:27:29,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:27:29,124 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:27:29,125 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:27:29,136 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:27:29,136 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:29" (1/1) ... [2024-11-08 19:27:29,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:29,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:29,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 19:27:29,200 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 19:27:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:27:29,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:29,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:27:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:29,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:29,887 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:29,972 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:27:30,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:30 ImpRootNode [2024-11-08 19:27:30,017 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:30,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:30,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:30,020 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:30,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:29" (3/4) ... [2024-11-08 19:27:30,026 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:27:30,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:30,032 INFO L158 Benchmark]: Toolchain (without parser) took 3835.33ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 85.0MB in the beginning and 126.9MB in the end (delta: -41.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-11-08 19:27:30,034 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:30,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1867.19ms. Allocated memory is still 127.9MB. Free memory was 84.7MB in the beginning and 61.4MB in the end (delta: 23.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-08 19:27:30,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.88ms. Allocated memory is still 127.9MB. Free memory was 61.4MB in the beginning and 58.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:30,037 INFO L158 Benchmark]: Boogie Preprocessor took 42.79ms. Allocated memory is still 127.9MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:27:30,038 INFO L158 Benchmark]: RCFGBuilder took 931.65ms. Allocated memory is still 127.9MB. Free memory was 56.6MB in the beginning and 60.7MB in the end (delta: -4.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-11-08 19:27:30,039 INFO L158 Benchmark]: CodeCheck took 892.97ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 60.7MB in the beginning and 126.9MB in the end (delta: -66.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:30,040 INFO L158 Benchmark]: Witness Printer took 10.82ms. Allocated memory is still 188.7MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:30,045 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, 13 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: 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_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [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 0.28ms. Allocated memory is still 127.9MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1867.19ms. Allocated memory is still 127.9MB. Free memory was 84.7MB in the beginning and 61.4MB in the end (delta: 23.4MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.88ms. Allocated memory is still 127.9MB. Free memory was 61.4MB in the beginning and 58.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.79ms. Allocated memory is still 127.9MB. Free memory was 58.3MB in the beginning and 56.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 931.65ms. Allocated memory is still 127.9MB. Free memory was 56.6MB in the beginning and 60.7MB in the end (delta: -4.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 892.97ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 60.7MB in the beginning and 126.9MB in the end (delta: -66.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.82ms. Allocated memory is still 188.7MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:27:30,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/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 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_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/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_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/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_9560d768-1997-47ad-bc07-495b7f3c95ad/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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:27:32,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:27:32,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:27:32,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:27:33,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:27:33,001 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:27:33,002 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:27:33,002 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:27:33,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:27:33,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:27:33,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:27:33,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:27:33,007 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:27:33,007 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:27:33,008 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:27:33,010 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:27:33,011 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:27:33,011 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:27:33,012 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:27:33,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:27:33,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:27:33,013 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:27:33,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:27:33,014 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:27:33,015 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:27:33,015 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:33,016 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:27:33,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:27:33,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:33,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:27:33,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:27:33,022 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:27:33,022 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:27:33,022 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:33,023 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:27:33,023 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_9560d768-1997-47ad-bc07-495b7f3c95ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2024-11-08 19:27:33,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:27:33,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:27:33,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:27:33,512 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:27:33,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:27:33,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i Unable to find full path for "g++" [2024-11-08 19:27:35,855 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:27:36,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:27:36,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-08 19:27:36,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data/275b4fa8d/2113a5c8b41544b7992f4717a6967a74/FLAG518388c61 [2024-11-08 19:27:36,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/data/275b4fa8d/2113a5c8b41544b7992f4717a6967a74 [2024-11-08 19:27:36,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:27:36,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:27:36,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:36,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:27:36,469 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:27:36,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:36" (1/1) ... [2024-11-08 19:27:36,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6db7db27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:36, skipping insertion in model container [2024-11-08 19:27:36,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:27:36" (1/1) ... [2024-11-08 19:27:36,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:27:37,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:37,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:27:38,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:27:38,182 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:27:38,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38 WrapperNode [2024-11-08 19:27:38,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:27:38,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:38,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:27:38,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:27:38,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,273 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-08 19:27:38,274 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:27:38,275 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:27:38,275 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:27:38,275 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:27:38,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:27:38,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:27:38,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:27:38,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:27:38,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:27:38,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:27:38,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:27:38,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:27:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:27:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:27:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:27:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:27:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:27:38,556 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:27:38,559 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:27:38,729 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 19:27:38,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:27:38,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:27:38,850 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:27:38,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:38 BoogieIcfgContainer [2024-11-08 19:27:38,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:27:38,851 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:27:38,851 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:27:38,863 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:27:38,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:38" (1/1) ... [2024-11-08 19:27:38,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:27:38,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-08 19:27:38,952 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-08 19:27:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:27:38,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:27:38,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:27:38,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:27:38,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:27:38,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:27:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:39,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:39,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:27:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:27:39,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:27:39,386 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:27:39,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:39 ImpRootNode [2024-11-08 19:27:39,423 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:39,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:39,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:39,426 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:39,426 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:27:38" (3/4) ... [2024-11-08 19:27:39,430 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:27:39,431 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:39,432 INFO L158 Benchmark]: Toolchain (without parser) took 2973.53ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 50.0MB in the beginning and 66.2MB in the end (delta: -16.2MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2024-11-08 19:27:39,434 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:39,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1721.12ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 47.5MB in the end (delta: 2.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-11-08 19:27:39,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.60ms. Allocated memory is still 102.8MB. Free memory was 47.5MB in the beginning and 72.7MB in the end (delta: -25.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:39,436 INFO L158 Benchmark]: Boogie Preprocessor took 32.77ms. Allocated memory is still 102.8MB. Free memory was 72.7MB in the beginning and 71.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:39,437 INFO L158 Benchmark]: RCFGBuilder took 542.15ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 52.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:39,438 INFO L158 Benchmark]: CodeCheck took 572.31ms. Allocated memory is still 102.8MB. Free memory was 52.3MB in the beginning and 66.8MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:39,439 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 66.2MB in the end (delta: 661.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:39,443 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [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 0.26ms. Allocated memory is still 77.6MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1721.12ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 49.7MB in the beginning and 47.5MB in the end (delta: 2.3MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.60ms. Allocated memory is still 102.8MB. Free memory was 47.5MB in the beginning and 72.7MB in the end (delta: -25.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.77ms. Allocated memory is still 102.8MB. Free memory was 72.7MB in the beginning and 71.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.15ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 52.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 572.31ms. Allocated memory is still 102.8MB. Free memory was 52.3MB in the beginning and 66.8MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 102.8MB. Free memory was 66.8MB in the beginning and 66.2MB in the end (delta: 661.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:27:39,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9560d768-1997-47ad-bc07-495b7f3c95ad/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