./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_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_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/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_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/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_ce9fb050-555d-495d-a90d-ed34cf80b95c/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 e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:03,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:03,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:55:03,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:55:03,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:55:03,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:03,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:03,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:03,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:03,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:03,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:03,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:03,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:55:03,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:03,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:03,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:03,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:03,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:03,391 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:03,391 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:03,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:03,391 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:03,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:03,392 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:03,392 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:03,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:03,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:03,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:03,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:03,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:03,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:55:03,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:55:03,393 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_ce9fb050-555d-495d-a90d-ed34cf80b95c/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 -> e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe [2024-11-13 20:55:03,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:03,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:03,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:03,774 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:03,774 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:03,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 20:55:06,045 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:06,676 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:06,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i [2024-11-13 20:55:06,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data/5f1787d21/260394d7dbcc423bb5e6074556fae4ab/FLAG382aa3105 [2024-11-13 20:55:06,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data/5f1787d21/260394d7dbcc423bb5e6074556fae4ab [2024-11-13 20:55:06,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:06,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:06,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:06,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:06,746 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:06,747 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:06" (1/1) ... [2024-11-13 20:55:06,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce1317f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:06, skipping insertion in model container [2024-11-13 20:55:06,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:06" (1/1) ... [2024-11-13 20:55:06,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:08,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:08,069 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:08,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:08,356 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:08,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08 WrapperNode [2024-11-13 20:55:08,357 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:08,358 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:08,358 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:08,359 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:08,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,421 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 20:55:08,422 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:08,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:08,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:08,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:08,431 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:08,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:08,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:08,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:08,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:08,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:08,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:08,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:08,721 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:08,723 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:08,825 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:08,825 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:08,876 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:08,877 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:08,877 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:08 BoogieIcfgContainer [2024-11-13 20:55:08,877 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:08,878 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:08,878 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:08,888 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:08,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:08" (1/1) ... [2024-11-13 20:55:08,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:55:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:55:08,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:55:08,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:09,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:09,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:09,220 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:09,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:09 ImpRootNode [2024-11-13 20:55:09,259 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:09,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:09,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:09,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:09,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:08" (3/4) ... [2024-11-13 20:55:09,264 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:09,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:09,266 INFO L158 Benchmark]: Toolchain (without parser) took 2529.04ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 93.7MB in the end (delta: 21.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,268 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:09,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1618.37ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 55.2MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.30ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 52.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,271 INFO L158 Benchmark]: Boogie Preprocessor took 32.38ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.7MB in the end (delta: 794.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:09,271 INFO L158 Benchmark]: RCFGBuilder took 421.51ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 107.7MB in the end (delta: -56.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,275 INFO L158 Benchmark]: CodeCheck took 381.63ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 93.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:09,275 INFO L158 Benchmark]: Witness Printer took 5.08ms. Allocated memory is still 142.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:09,278 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1618.37ms. Allocated memory is still 142.6MB. Free memory was 115.2MB in the beginning and 55.2MB in the end (delta: 60.0MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.30ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 52.5MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.38ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.7MB in the end (delta: 794.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.51ms. Allocated memory is still 142.6MB. Free memory was 51.7MB in the beginning and 107.7MB in the end (delta: -56.0MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * CodeCheck took 381.63ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 93.7MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.08ms. Allocated memory is still 142.6MB. Free memory is still 93.7MB. 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 20:55:09,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/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_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/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_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/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_ce9fb050-555d-495d-a90d-ed34cf80b95c/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 e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:55:12,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:55:12,413 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:55:12,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:55:12,473 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:55:12,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:55:12,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:55:12,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:55:12,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:55:12,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:55:12,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:55:12,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:55:12,478 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:55:12,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:55:12,478 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:55:12,478 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:55:12,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:55:12,479 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:55:12,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:55:12,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:55:12,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:55:12,479 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:55:12,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:55:12,480 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:55:12,480 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:55:12,480 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:12,480 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:55:12,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:55:12,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:12,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:55:12,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:55:12,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:55:12,481 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:55:12,481 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:12,481 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:55:12,481 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_ce9fb050-555d-495d-a90d-ed34cf80b95c/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 -> e09b606bc77f92e49a2679669f0801ee75081e50a88b5475f7399a6b6d3624fe [2024-11-13 20:55:12,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:55:12,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:55:12,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:55:12,906 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:55:12,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:55:12,909 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 20:55:15,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:55:16,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:55:16,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_09_bad.i [2024-11-13 20:55:16,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data/1ea240e56/5eeecaf6467a44bf8c43686c55325f30/FLAG3cc38b708 [2024-11-13 20:55:16,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/data/1ea240e56/5eeecaf6467a44bf8c43686c55325f30 [2024-11-13 20:55:16,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:55:16,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:55:16,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:16,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:55:16,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:55:16,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:16" (1/1) ... [2024-11-13 20:55:16,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1598e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:16, skipping insertion in model container [2024-11-13 20:55:16,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:55:16" (1/1) ... [2024-11-13 20:55:16,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:55:17,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:17,633 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:55:17,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:55:17,960 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:55:17,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17 WrapperNode [2024-11-13 20:55:17,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:55:17,961 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:17,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:55:17,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:55:17,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,051 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 20:55:18,052 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:55:18,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:55:18,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:55:18,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:55:18,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,093 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,099 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:55:18,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:55:18,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:55:18,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:55:18,114 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:55:17" (1/1) ... [2024-11-13 20:55:18,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:55:18,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:55:18,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:55:18,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:55:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:55:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:55:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:55:18,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:55:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:55:18,437 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:55:18,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:55:18,588 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 20:55:18,588 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:55:18,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:55:18,658 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:55:18,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:18 BoogieIcfgContainer [2024-11-13 20:55:18,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:55:18,663 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:55:18,663 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:55:18,680 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:55:18,681 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:18" (1/1) ... [2024-11-13 20:55:18,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:55:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:18,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:55:18,760 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:55:18,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:55:18,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:18,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:18,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:18,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:18,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:55:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:18,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:19,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:55:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:55:19,167 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 20:55:19,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:55:19,171 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:55:19,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:55:19 ImpRootNode [2024-11-13 20:55:19,252 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:55:19,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:55:19,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:55:19,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:55:19,255 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:55:18" (3/4) ... [2024-11-13 20:55:19,259 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:55:19,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:55:19,262 INFO L158 Benchmark]: Toolchain (without parser) took 2983.86ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 84.8MB in the end (delta: 7.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-13 20:55:19,262 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1681.01ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.0MB in the end (delta: 12.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 20:55:19,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.52ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,266 INFO L158 Benchmark]: Boogie Preprocessor took 58.58ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,267 INFO L158 Benchmark]: RCFGBuilder took 550.58ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 59.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:55:19,267 INFO L158 Benchmark]: CodeCheck took 589.07ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 84.8MB in the end (delta: -25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:55:19,267 INFO L158 Benchmark]: Witness Printer took 7.41ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 84.8MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:55:19,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1681.01ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 79.0MB in the end (delta: 12.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.52ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 76.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.58ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 550.58ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 59.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 589.07ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 84.8MB in the end (delta: -25.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.41ms. Allocated memory is still 117.4MB. Free memory was 84.8MB in the beginning and 84.8MB in the end (delta: 19.3kB). 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 20:55:19,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9fb050-555d-495d-a90d-ed34cf80b95c/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