./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm --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 89629be9a9936a1df2e3e17b9608f712c12323a2ca961cefbaf5f581510d7966 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:37:07,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:37:07,309 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:37:07,315 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:37:07,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:37:07,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:37:07,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:37:07,349 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:37:07,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:37:07,349 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:37:07,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:37:07,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:37:07,350 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:37:07,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:37:07,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:37:07,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:37:07,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:37:07,354 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:37:07,355 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:37:07,355 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:37:07,355 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:37:07,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:37:07,355 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:37:07,355 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:37:07,355 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:37:07,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:37:07,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:07,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:37:07,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:37:07,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:37:07,356 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:37:07,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:37:07,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm 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 -> 89629be9a9936a1df2e3e17b9608f712c12323a2ca961cefbaf5f581510d7966 [2024-11-13 20:37:07,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:37:07,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:37:07,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:37:07,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:37:07,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:37:07,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_31_bad.i Unable to find full path for "g++" [2024-11-13 20:37:09,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:37:10,394 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:37:10,395 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_31_bad.i [2024-11-13 20:37:10,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data/12c8a6b39/d7b168c764fe4d178f4963a7771c84ba/FLAG8d890a18e [2024-11-13 20:37:10,455 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data/12c8a6b39/d7b168c764fe4d178f4963a7771c84ba [2024-11-13 20:37:10,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:37:10,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:37:10,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:10,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:37:10,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:37:10,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:10" (1/1) ... [2024-11-13 20:37:10,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4719fbcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:10, skipping insertion in model container [2024-11-13 20:37:10,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:10" (1/1) ... [2024-11-13 20:37:10,554 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:37:12,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:12,017 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:37:12,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:12,352 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:37:12,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12 WrapperNode [2024-11-13 20:37:12,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:12,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:12,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:37:12,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:37:12,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,446 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 20:37:12,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:12,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:37:12,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:37:12,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:37:12,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,477 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:37:12,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:37:12,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:37:12,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:37:12,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:12,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:37:12,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:37:12,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:37:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:37:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:37:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:37:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:37:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:37:12,778 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:37:12,780 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:37:12,888 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:37:12,888 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:37:12,950 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:37:12,950 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:37:12,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:12 BoogieIcfgContainer [2024-11-13 20:37:12,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:37:12,952 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:37:12,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:37:12,965 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:37:12,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:12" (1/1) ... [2024-11-13 20:37:12,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:37:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:13,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:37:13,044 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:37:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:37:13,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:13,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:37:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:13,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:37:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:13,281 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:37:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:13,314 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:37:13,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:37:13 ImpRootNode [2024-11-13 20:37:13,343 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:37:13,344 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:37:13,344 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:37:13,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:37:13,345 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:12" (3/4) ... [2024-11-13 20:37:13,349 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:37:13,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:37:13,352 INFO L158 Benchmark]: Toolchain (without parser) took 2892.80ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 51.1MB in the end (delta: 38.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2024-11-13 20:37:13,353 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:13,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1890.60ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.5MB in the end (delta: 8.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 20:37:13,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.28ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:37:13,357 INFO L158 Benchmark]: Boogie Preprocessor took 49.09ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:13,357 INFO L158 Benchmark]: RCFGBuilder took 453.93ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 64.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:37:13,361 INFO L158 Benchmark]: CodeCheck took 391.24ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 51.1MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:37:13,362 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:13,365 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] --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 0.41ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1890.60ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.5MB in the end (delta: 8.5MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.28ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 78.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.09ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 77.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.93ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 64.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 391.24ms. Allocated memory is still 117.4MB. Free memory was 64.6MB in the beginning and 51.1MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 117.4MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:37:13,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm --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 89629be9a9936a1df2e3e17b9608f712c12323a2ca961cefbaf5f581510d7966 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:37:16,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:37:16,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:37:16,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:37:16,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:37:16,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:37:16,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:37:16,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:37:16,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:37:16,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:37:16,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:37:16,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:37:16,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:37:16,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:37:16,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:37:16,685 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:37:16,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:37:16,685 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:37:16,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:37:16,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:37:16,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:37:16,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:37:16,686 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:37:16,686 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:37:16,686 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:37:16,686 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:16,686 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:37:16,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:37:16,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:16,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:37:16,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:37:16,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:37:16,687 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:37:16,687 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:16,687 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:37:16,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm 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 -> 89629be9a9936a1df2e3e17b9608f712c12323a2ca961cefbaf5f581510d7966 [2024-11-13 20:37:17,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:37:17,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:37:17,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:37:17,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:37:17,076 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:37:17,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_31_bad.i Unable to find full path for "g++" [2024-11-13 20:37:19,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:37:20,254 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:37:20,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_31_bad.i [2024-11-13 20:37:20,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data/78834f62e/6e4460ed82c844dc89d593d9822241c7/FLAG12cc15db6 [2024-11-13 20:37:20,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/data/78834f62e/6e4460ed82c844dc89d593d9822241c7 [2024-11-13 20:37:20,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:37:20,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:37:20,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:20,828 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:37:20,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:37:20,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:20" (1/1) ... [2024-11-13 20:37:20,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc48e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:20, skipping insertion in model container [2024-11-13 20:37:20,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:37:20" (1/1) ... [2024-11-13 20:37:20,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:37:22,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:22,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:37:22,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:37:22,557 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:37:22,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22 WrapperNode [2024-11-13 20:37:22,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:37:22,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:22,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:37:22,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:37:22,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,623 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-13 20:37:22,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:37:22,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:37:22,624 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:37:22,624 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:37:22,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:37:22,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:37:22,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:37:22,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:37:22,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:37:22" (1/1) ... [2024-11-13 20:37:22,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:37:22,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:37:22,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:37:22,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:37:22,742 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:37:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:37:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:37:22,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:37:22,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:37:22,925 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:37:22,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:37:23,122 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 20:37:23,122 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:37:23,213 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:37:23,216 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:37:23,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:23 BoogieIcfgContainer [2024-11-13 20:37:23,217 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:37:23,218 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:37:23,218 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:37:23,230 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:37:23,231 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:23" (1/1) ... [2024-11-13 20:37:23,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:37:23,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:37:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:37:23,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:37:23,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:23,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:23,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:23,344 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:23,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:37:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:23,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:37:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:23,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:37:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:37:23,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 20:37:23,786 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:37:23,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:37:23 ImpRootNode [2024-11-13 20:37:23,833 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:37:23,834 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:37:23,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:37:23,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:37:23,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:23" (3/4) ... [2024-11-13 20:37:23,840 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:37:23,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:37:23,846 INFO L158 Benchmark]: Toolchain (without parser) took 3020.54ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 44.5MB in the end (delta: 12.9MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-11-13 20:37:23,847 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:23,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1732.36ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 20:37:23,849 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.54ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:23,849 INFO L158 Benchmark]: Boogie Preprocessor took 39.92ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:23,853 INFO L158 Benchmark]: RCFGBuilder took 552.16ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 33.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:37:23,853 INFO L158 Benchmark]: CodeCheck took 615.15ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 44.8MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:37:23,854 INFO L158 Benchmark]: Witness Printer took 8.11ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 6.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:37:23,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_min_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] data = (-0x7fffffff - 1) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] --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 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1732.36ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.54ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 49.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.92ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 48.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.16ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 33.6MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 615.15ms. Allocated memory is still 83.9MB. Free memory was 33.6MB in the beginning and 44.8MB in the end (delta: -11.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.11ms. Allocated memory is still 83.9MB. Free memory was 44.5MB in the beginning and 44.5MB in the end (delta: 6.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:37:23,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a9501c1-b618-46e9-9a7c-e999a01f84f7/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample