./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/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_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/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_422307fb-5919-461b-9bc7-206c4cd7e0fe/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 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:37,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:37,247 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:36:37,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:36:37,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:36:37,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:37,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:37,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:37,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:37,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:37,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:37,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:37,306 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:36:37,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:37,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:37,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:37,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:37,309 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:37,309 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:36:37,309 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:36:37,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:37,310 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:37,311 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:37,311 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:37,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:37,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:37,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:37,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:37,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:37,314 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:37,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:36:37,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:36:37,315 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_422307fb-5919-461b-9bc7-206c4cd7e0fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de [2024-11-08 22:36:37,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:37,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:37,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:37,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:37,726 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:37,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i Unable to find full path for "g++" [2024-11-08 22:36:39,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:40,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:40,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i [2024-11-08 22:36:40,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data/a6ec32e4f/064d5156bc07491fae92cfb492cc775b/FLAG75da5ad1b [2024-11-08 22:36:40,559 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data/a6ec32e4f/064d5156bc07491fae92cfb492cc775b [2024-11-08 22:36:40,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:40,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:40,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:40,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:40,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:40,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a2324e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:40, skipping insertion in model container [2024-11-08 22:36:40,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:40" (1/1) ... [2024-11-08 22:36:40,659 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:41,864 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:41,875 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:42,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:42,289 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:42,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42 WrapperNode [2024-11-08 22:36:42,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:42,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:42,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:42,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:42,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,385 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 22:36:42,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:42,387 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:42,387 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:42,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:42,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:42,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:42,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:42,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:42,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:42,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:42,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:42,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:42,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:42,543 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:36:42,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:36:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:42,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:42,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:42,769 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:42,882 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:42,883 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:42,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:42,981 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:36:42,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:42 BoogieIcfgContainer [2024-11-08 22:36:42,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:42,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:42,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:42,999 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:43,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:42" (1/1) ... [2024-11-08 22:36:43,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:43,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:36:43,084 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:36:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:36:43,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:36:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:43,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:43,345 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:43,377 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:36:43,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:43 ImpRootNode [2024-11-08 22:36:43,408 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:43,409 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:43,409 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:43,410 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:43,410 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:42" (3/4) ... [2024-11-08 22:36:43,414 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:36:43,415 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:36:43,416 INFO L158 Benchmark]: Toolchain (without parser) took 2852.23ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 87.6MB in the end (delta: 44.5MB). Peak memory consumption was 46.5MB. Max. memory is 16.1GB. [2024-11-08 22:36:43,417 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 115.3MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:43,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1724.76ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 119.8MB in the end (delta: 12.3MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-11-08 22:36:43,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.92ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 116.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:36:43,419 INFO L158 Benchmark]: Boogie Preprocessor took 44.15ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 115.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:43,420 INFO L158 Benchmark]: RCFGBuilder took 550.40ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 102.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:43,421 INFO L158 Benchmark]: CodeCheck took 424.98ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 87.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:36:43,422 INFO L158 Benchmark]: Witness Printer took 6.55ms. Allocated memory is still 165.7MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:43,427 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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_min_postdec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) 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 0.39ms. Allocated memory is still 115.3MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1724.76ms. Allocated memory is still 165.7MB. Free memory was 132.1MB in the beginning and 119.8MB in the end (delta: 12.3MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.92ms. Allocated memory is still 165.7MB. Free memory was 119.8MB in the beginning and 116.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.15ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 115.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.40ms. Allocated memory is still 165.7MB. Free memory was 115.7MB in the beginning and 102.3MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 424.98ms. Allocated memory is still 165.7MB. Free memory was 102.3MB in the beginning and 87.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.55ms. Allocated memory is still 165.7MB. Free memory is still 87.6MB. 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 22:36:43,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/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_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/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_422307fb-5919-461b-9bc7-206c4cd7e0fe/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 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:36:46,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:36:46,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:36:46,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:36:46,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:36:46,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:36:46,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:36:46,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:36:46,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:36:46,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:36:46,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:36:46,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:36:46,459 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:36:46,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:36:46,463 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:36:46,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:36:46,464 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:36:46,464 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:36:46,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:36:46,465 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:36:46,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:36:46,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:36:46,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:36:46,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:36:46,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:36:46,471 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:46,472 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:36:46,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:36:46,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:46,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:36:46,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:36:46,474 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:36:46,475 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:36:46,476 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:46,476 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:36:46,477 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_422307fb-5919-461b-9bc7-206c4cd7e0fe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3eb1f72ebfe109a13964b603b6c7b4cc32afb2e1de5f767360c8e51423ea75de [2024-11-08 22:36:46,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:36:47,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:36:47,034 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:36:47,036 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:36:47,036 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:36:47,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i Unable to find full path for "g++" [2024-11-08 22:36:49,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:36:49,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:36:49,893 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_03_bad.i [2024-11-08 22:36:49,938 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data/3ba0dd8ed/269da23745ab4fe891e74916137435f1/FLAGf79f8b8ad [2024-11-08 22:36:49,961 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/data/3ba0dd8ed/269da23745ab4fe891e74916137435f1 [2024-11-08 22:36:49,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:36:49,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:36:49,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:49,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:36:49,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:36:49,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:49" (1/1) ... [2024-11-08 22:36:49,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72934c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:49, skipping insertion in model container [2024-11-08 22:36:49,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:36:49" (1/1) ... [2024-11-08 22:36:50,077 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:36:51,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:51,244 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:36:51,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:36:51,657 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:36:51,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51 WrapperNode [2024-11-08 22:36:51,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:36:51,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:51,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:36:51,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:36:51,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,760 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-08 22:36:51,760 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:36:51,761 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:36:51,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:36:51,762 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:36:51,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,782 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,820 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:36:51,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:36:51,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:36:51,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:36:51,826 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:36:51" (1/1) ... [2024-11-08 22:36:51,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:36:51,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:36:51,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:36:51,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:36:51,917 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:36:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:36:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:36:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:36:51,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:36:52,115 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:36:52,118 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:36:52,295 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:36:52,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:36:52,408 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:36:52,408 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:36:52,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:52 BoogieIcfgContainer [2024-11-08 22:36:52,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:36:52,409 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:36:52,409 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:36:52,423 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:36:52,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:52" (1/1) ... [2024-11-08 22:36:52,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:36:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:36:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:36:52,507 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:36:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:36:52,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:36:52,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:36:52,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:36:52,518 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:36:52,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:36:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:52,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:52,806 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:36:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:36:52,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:36:52,851 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:36:52,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:36:52 ImpRootNode [2024-11-08 22:36:52,889 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:36:52,890 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:36:52,890 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:36:52,890 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:36:52,891 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:36:52" (3/4) ... [2024-11-08 22:36:52,897 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:36:52,898 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:36:52,900 INFO L158 Benchmark]: Toolchain (without parser) took 2933.26ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.5MB in the beginning and 47.9MB in the end (delta: -417.3kB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-08 22:36:52,901 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:36:52,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1688.28ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.3MB in the beginning and 59.1MB in the end (delta: -11.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-08 22:36:52,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.27ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 56.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:52,905 INFO L158 Benchmark]: Boogie Preprocessor took 59.01ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:52,906 INFO L158 Benchmark]: RCFGBuilder took 587.81ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 62.0MB in the end (delta: -7.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-08 22:36:52,907 INFO L158 Benchmark]: CodeCheck took 479.53ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 48.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:36:52,908 INFO L158 Benchmark]: Witness Printer took 9.12ms. Allocated memory is still 92.3MB. Free memory was 48.4MB in the beginning and 47.9MB in the end (delta: 485.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:36:52,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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_min_postdec_03_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) 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 0.28ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1688.28ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.3MB in the beginning and 59.1MB in the end (delta: -11.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.27ms. Allocated memory is still 92.3MB. Free memory was 59.1MB in the beginning and 56.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.01ms. Allocated memory is still 92.3MB. Free memory was 56.2MB in the beginning and 54.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.81ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 62.0MB in the end (delta: -7.9MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * CodeCheck took 479.53ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 48.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 9.12ms. Allocated memory is still 92.3MB. Free memory was 48.4MB in the beginning and 47.9MB in the end (delta: 485.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:36:52,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_422307fb-5919-461b-9bc7-206c4cd7e0fe/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