./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_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_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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 bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:01:49,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:01:49,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:01:49,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:01:49,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:01:49,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:01:49,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:01:49,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:01:49,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:01:49,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:01:49,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:01:49,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:01:49,885 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:01:49,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:01:49,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:01:49,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:01:49,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:01:49,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:01:49,886 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:01:49,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:01:49,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:01:49,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:01:49,886 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:01:49,886 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:01:49,887 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:01:49,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:01:49,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:49,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:01:49,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:01:49,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:01:49,887 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:01:49,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:01:49,888 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_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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 -> bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece [2024-11-13 23:01:50,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:01:50,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:01:50,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:01:50,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:01:50,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:01:50,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i Unable to find full path for "g++" [2024-11-13 23:01:51,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:01:52,431 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:01:52,432 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2024-11-13 23:01:52,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data/cdb67e4bf/a77e70b09cbd4346bcf50e86eb089c64/FLAGbc87626d1 [2024-11-13 23:01:52,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data/cdb67e4bf/a77e70b09cbd4346bcf50e86eb089c64 [2024-11-13 23:01:52,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:01:52,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:01:52,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:52,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:01:52,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:01:52,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:52" (1/1) ... [2024-11-13 23:01:52,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e9405b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:52, skipping insertion in model container [2024-11-13 23:01:52,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:01:52" (1/1) ... [2024-11-13 23:01:52,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:01:53,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:53,507 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:01:53,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:01:53,765 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:01:53,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53 WrapperNode [2024-11-13 23:01:53,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:01:53,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:53,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:01:53,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:01:53,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,806 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,838 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 23:01:53,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:01:53,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:01:53,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:01:53,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:01:53,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:01:53,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:01:53,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:01:53,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:01:53,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:01:53" (1/1) ... [2024-11-13 23:01:53,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:53,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:01:53,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:01:53,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:01:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:01:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:01:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:01:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:01:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:01:54,126 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:01:54,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:01:54,214 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 23:01:54,215 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:01:54,257 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:01:54,257 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:01:54,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:54 BoogieIcfgContainer [2024-11-13 23:01:54,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:01:54,258 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:01:54,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:01:54,269 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:01:54,269 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:54" (1/1) ... [2024-11-13 23:01:54,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:01:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:01:54,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:01:54,329 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:01:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:01:54,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:01:54,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:01:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:54,436 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:01:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:54,529 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:01:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:01:54,564 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:01:54,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:01:54 ImpRootNode [2024-11-13 23:01:54,592 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:01:54,592 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:01:54,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:01:54,593 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:01:54,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:01:54" (3/4) ... [2024-11-13 23:01:54,597 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:01:54,598 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:01:54,599 INFO L158 Benchmark]: Toolchain (without parser) took 2108.77ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 93.8MB in the end (delta: 22.1MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:54,600 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:54,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1276.08ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 23:01:54,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.43ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:01:54,602 INFO L158 Benchmark]: Boogie Preprocessor took 35.01ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 52.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:54,602 INFO L158 Benchmark]: RCFGBuilder took 383.04ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 107.6MB in the end (delta: -55.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 23:01:54,603 INFO L158 Benchmark]: CodeCheck took 333.62ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 93.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:01:54,603 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:01:54,609 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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 globalFive==5 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 - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1276.08ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 56.0MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.43ms. Allocated memory is still 142.6MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.01ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 52.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.04ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 107.6MB in the end (delta: -55.2MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * CodeCheck took 333.62ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 93.8MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 142.6MB. Free memory is still 93.8MB. 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 23:01:54,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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 bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:01:57,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:01:57,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:01:57,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:01:57,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:01:57,475 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:01:57,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:01:57,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:01:57,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:01:57,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:01:57,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:01:57,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:01:57,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:01:57,481 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:01:57,481 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:01:57,481 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:01:57,481 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:01:57,481 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:01:57,482 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:57,482 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:01:57,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:01:57,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:01:57,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:01:57,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:01:57,483 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:01:57,483 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:01:57,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:01:57,483 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:01:57,483 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_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/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 -> bc1d8cf1f053a2cb9d7798e38ed9b95323387a9f6d87d01459f368e89006eece [2024-11-13 23:01:57,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:01:57,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:01:57,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:01:57,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:01:57,828 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:01:57,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i Unable to find full path for "g++" [2024-11-13 23:01:59,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:02:00,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:02:00,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_14_bad.i [2024-11-13 23:02:00,253 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data/1f85c720c/7446bfbfc24048b890a859a2b2570109/FLAG40e332be5 [2024-11-13 23:02:00,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/data/1f85c720c/7446bfbfc24048b890a859a2b2570109 [2024-11-13 23:02:00,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:02:00,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:02:00,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:02:00,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:02:00,296 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:02:00,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:02:00" (1/1) ... [2024-11-13 23:02:00,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@175a6b99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:00, skipping insertion in model container [2024-11-13 23:02:00,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:02:00" (1/1) ... [2024-11-13 23:02:00,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:02:01,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:02:01,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:02:01,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:02:01,630 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:02:01,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01 WrapperNode [2024-11-13 23:02:01,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:02:01,632 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:02:01,632 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:02:01,633 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:02:01,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,703 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 23:02:01,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:02:01,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:02:01,704 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:02:01,704 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:02:01,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:02:01,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:02:01,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:02:01,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:02:01,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:02:01" (1/1) ... [2024-11-13 23:02:01,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:02:01,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:02:01,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:02:01,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:02:01,824 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:02:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:02:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:02:01,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:02:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:02:02,016 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:02:02,018 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:02:02,145 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 23:02:02,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:02:02,190 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:02:02,191 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:02:02,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:02 BoogieIcfgContainer [2024-11-13 23:02:02,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:02:02,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:02:02,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:02:02,202 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:02:02,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:02" (1/1) ... [2024-11-13 23:02:02,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:02:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:02:02,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:02:02,257 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:02:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:02:02,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:02:02,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:02:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:02:02,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:02:02,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:02:02,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:02:02,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:02:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:02:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:02:02,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:02:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:02:02,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:02:02,673 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:02:02,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:02:02 ImpRootNode [2024-11-13 23:02:02,703 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:02:02,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:02:02,704 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:02:02,704 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:02:02,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:02:02" (3/4) ... [2024-11-13 23:02:02,707 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:02:02,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:02:02,708 INFO L158 Benchmark]: Toolchain (without parser) took 2420.61ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 89.0MB in the beginning and 243.4MB in the end (delta: -154.4MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,709 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:02,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1341.39ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.0MB in the end (delta: 21.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.97ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 63.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:02,710 INFO L158 Benchmark]: Boogie Preprocessor took 45.65ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:02,710 INFO L158 Benchmark]: RCFGBuilder took 441.38ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 47.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:02:02,711 INFO L158 Benchmark]: CodeCheck took 511.36ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 46.7MB in the beginning and 244.1MB in the end (delta: -197.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:02,711 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 276.8MB. Free memory was 244.1MB in the beginning and 243.4MB in the end (delta: 705.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:02:02,715 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_min_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [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 globalFive==5 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 - 1 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 0.36ms. Allocated memory is still 117.4MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1341.39ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 67.0MB in the end (delta: 21.8MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.97ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 63.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.65ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 62.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.38ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 47.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 511.36ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 46.7MB in the beginning and 244.1MB in the end (delta: -197.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 276.8MB. Free memory was 244.1MB in the beginning and 243.4MB in the end (delta: 705.2kB). 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 23:02:02,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b543b8cf-dc72-456d-90b0-9a00afb1d3ac/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample