./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_61_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_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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 5a6a91d6085ddef17e153f1f235baa7fc30387626441558b9394334d0beb5bb0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:13,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:13,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:40:13,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:40:13,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:40:13,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:13,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:13,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:13,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:13,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:13,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:13,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:13,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:40:13,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:13,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:13,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:13,752 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:13,752 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:13,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:40:13,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:13,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:13,752 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:13,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:13,753 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:13,753 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:13,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:13,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:13,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:13,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:13,754 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:13,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:40:13,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:40:13,754 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_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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 -> 5a6a91d6085ddef17e153f1f235baa7fc30387626441558b9394334d0beb5bb0 [2024-11-13 16:40:14,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:14,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:14,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:14,168 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:14,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:14,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 16:40:16,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:16,887 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:16,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_61_bad.i [2024-11-13 16:40:16,924 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data/661359c82/ac1fa56b873b478594cee7fad5ea5a46/FLAG37fd43f9c [2024-11-13 16:40:17,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data/661359c82/ac1fa56b873b478594cee7fad5ea5a46 [2024-11-13 16:40:17,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:17,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:17,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:17,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:17,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:17,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:17" (1/1) ... [2024-11-13 16:40:17,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a7ef84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:17, skipping insertion in model container [2024-11-13 16:40:17,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:17" (1/1) ... [2024-11-13 16:40:17,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:18,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:18,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:18,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:18,535 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:18,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18 WrapperNode [2024-11-13 16:40:18,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:18,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:18,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:18,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:18,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,605 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-13 16:40:18,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:18,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:18,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:18,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:18,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,618 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:18,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:18,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:18,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:18,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:18" (1/1) ... [2024-11-13 16:40:18,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:18,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:18,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:18,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:40:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:40:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:18,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:18,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:18,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:18,928 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:19,072 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:19,072 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:19,129 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:19,130 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:40:19,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:19 BoogieIcfgContainer [2024-11-13 16:40:19,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:19,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:19,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:19,142 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:19,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:19" (1/1) ... [2024-11-13 16:40:19,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:19,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:19,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:40:19,227 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:40:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:40:19,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:19,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:19,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:19,486 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:19,524 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:40:19,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:19 ImpRootNode [2024-11-13 16:40:19,563 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:19,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:19,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:19,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:19,569 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:19" (3/4) ... [2024-11-13 16:40:19,573 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:19,574 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:19,575 INFO L158 Benchmark]: Toolchain (without parser) took 2559.44ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 49.5MB in the end (delta: 40.2MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 16:40:19,576 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:19,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1519.07ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.6MB in the end (delta: 8.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:19,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.91ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:19,579 INFO L158 Benchmark]: Boogie Preprocessor took 25.80ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 77.1MB in the end (delta: 576.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:19,584 INFO L158 Benchmark]: RCFGBuilder took 497.58ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 63.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:19,585 INFO L158 Benchmark]: CodeCheck took 432.60ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:19,585 INFO L158 Benchmark]: Witness Printer took 10.07ms. Allocated memory is still 117.4MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:19,587 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: 0.4s, 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, 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: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_min_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_min_predec_61b_badSource(data) [L1570] data = (-0x7fffffff - 1) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_min_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_min_predec_61b_badSource(data) [L1555] --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 0.38ms. Allocated memory is still 117.4MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1519.07ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.6MB in the end (delta: 8.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.91ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.3MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.80ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 77.1MB in the end (delta: 576.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 497.58ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 63.8MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 432.60ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 49.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 10.07ms. Allocated memory is still 117.4MB. Free memory is still 49.5MB. 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 16:40:19,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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 5a6a91d6085ddef17e153f1f235baa7fc30387626441558b9394334d0beb5bb0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:22,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:22,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:40:22,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:22,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:22,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:22,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:22,957 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:22,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:22,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:22,958 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:22,959 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:22,959 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:22,960 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:22,960 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:40:22,960 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:40:22,960 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:22,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:40:22,961 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:40:22,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:22,961 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:22,961 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:22,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:22,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:22,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:22,962 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:22,962 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:40:22,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:22,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:22,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:22,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:22,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:22,963 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:40:22,964 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:22,964 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:40:22,965 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_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/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 -> 5a6a91d6085ddef17e153f1f235baa7fc30387626441558b9394334d0beb5bb0 [2024-11-13 16:40:23,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:23,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:23,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:23,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:23,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:23,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_61_bad.i Unable to find full path for "g++" [2024-11-13 16:40:25,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:26,289 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:26,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_61_bad.i [2024-11-13 16:40:26,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data/5670265d9/182825a0c6394369831fe7e74ca34567/FLAGcb75067e9 [2024-11-13 16:40:26,357 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/data/5670265d9/182825a0c6394369831fe7e74ca34567 [2024-11-13 16:40:26,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:26,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:26,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:26,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:26,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:26,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:26" (1/1) ... [2024-11-13 16:40:26,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5c950c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:26, skipping insertion in model container [2024-11-13 16:40:26,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:26" (1/1) ... [2024-11-13 16:40:26,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:27,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:27,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:27,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:27,926 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:27,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27 WrapperNode [2024-11-13 16:40:27,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:27,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:27,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:27,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:27,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:27,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,020 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-13 16:40:28,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:28,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:28,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:28,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:28,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,041 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,067 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:28,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:28,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:28,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:28,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:27" (1/1) ... [2024-11-13 16:40:28,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:28,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:28,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:28,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:28,168 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:40:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:40:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:28,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:28,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:28,364 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:28,368 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:28,569 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:28,569 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:28,654 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:28,655 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:40:28,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:28 BoogieIcfgContainer [2024-11-13 16:40:28,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:28,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:28,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:28,674 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:28,674 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:28" (1/1) ... [2024-11-13 16:40:28,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:28,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:28,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 16:40:28,749 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 16:40:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:40:28,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:28,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:28,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:28,759 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:28,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:40:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:28,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:29,078 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:29,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:40:29,134 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:40:29,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:29 ImpRootNode [2024-11-13 16:40:29,177 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:29,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:29,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:29,179 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:29,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:28" (3/4) ... [2024-11-13 16:40:29,183 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:29,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:29,186 INFO L158 Benchmark]: Toolchain (without parser) took 2822.67ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 42.3MB in the end (delta: 14.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-11-13 16:40:29,186 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:29,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1562.08ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 16:40:29,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.86ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:29,191 INFO L158 Benchmark]: Boogie Preprocessor took 53.14ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:29,192 INFO L158 Benchmark]: RCFGBuilder took 581.48ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 31.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:29,192 INFO L158 Benchmark]: CodeCheck took 519.52ms. Allocated memory is still 83.9MB. Free memory was 31.2MB in the beginning and 42.7MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:29,192 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 42.3MB in the end (delta: 424.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:29,195 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: 0.4s, 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, 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: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_min_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_min_predec_61b_badSource(data) [L1570] data = (-0x7fffffff - 1) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_min_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_min_predec_61b_badSource(data) [L1555] --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 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1562.08ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 50.7MB in the end (delta: 6.2MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.86ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.14ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 581.48ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 31.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 519.52ms. Allocated memory is still 83.9MB. Free memory was 31.2MB in the beginning and 42.7MB in the end (delta: -11.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 42.3MB in the end (delta: 424.1kB). 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 16:40:29,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc5c9ccc-c4b3-4b5d-8ddd-e9e03cc79015/bin/ukojak-verify-EEHR8qb7sm/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