./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_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_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/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_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/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_935f467b-c592-4558-83aa-c2a46ff3d4b6/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 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:02,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:02,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:18:02,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:18:02,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:18:02,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:02,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:02,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:02,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:02,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:02,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:02,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:02,525 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:18:02,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:02,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:02,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:02,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:02,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:02,528 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:02,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:02,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:02,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:02,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:02,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:02,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:02,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:02,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:02,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:02,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:02,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:02,529 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:18:02,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:18:02,529 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_935f467b-c592-4558-83aa-c2a46ff3d4b6/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 -> 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 [2024-11-13 22:18:02,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:02,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:02,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:02,891 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:02,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:02,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i Unable to find full path for "g++" [2024-11-13 22:18:05,049 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:05,403 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:05,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-13 22:18:05,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data/cd350c6e3/e8cd53242c754273910bac08e27529c7/FLAG04b665b87 [2024-11-13 22:18:05,443 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data/cd350c6e3/e8cd53242c754273910bac08e27529c7 [2024-11-13 22:18:05,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:05,447 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:05,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:05,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:05,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:05,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:05" (1/1) ... [2024-11-13 22:18:05,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56347910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:05, skipping insertion in model container [2024-11-13 22:18:05,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:05" (1/1) ... [2024-11-13 22:18:05,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:06,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:06,495 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:06,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:06,719 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:06,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06 WrapperNode [2024-11-13 22:18:06,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:06,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:06,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:06,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:06,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,763 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 22:18:06,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:06,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:06,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:06,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:06,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,774 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,781 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,782 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:06,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:06,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:06,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:06,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:06" (1/1) ... [2024-11-13 22:18:06,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:06,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:06,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:06,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:06,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:06,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:07,069 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:07,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:07,196 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:07,196 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:07,264 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:07,264 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:18:07,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:07 BoogieIcfgContainer [2024-11-13 22:18:07,264 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:07,265 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:07,265 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:07,276 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:07,277 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:07" (1/1) ... [2024-11-13 22:18:07,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:07,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:07,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:18:07,355 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:18:07,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:18:07,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:07,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:07,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:07,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:07,642 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:07,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:07 ImpRootNode [2024-11-13 22:18:07,681 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:07,682 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:07,682 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:07,682 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:07,683 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:07" (3/4) ... [2024-11-13 22:18:07,687 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:07,688 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:07,689 INFO L158 Benchmark]: Toolchain (without parser) took 2242.29ms. Allocated memory is still 142.6MB. Free memory was 114.1MB in the beginning and 94.0MB in the end (delta: 20.0MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-13 22:18:07,692 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:07,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1271.88ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 54.6MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 22:18:07,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.60ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 52.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:07,693 INFO L158 Benchmark]: Boogie Preprocessor took 21.30ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 51.2MB in the end (delta: 866.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:07,695 INFO L158 Benchmark]: RCFGBuilder took 478.55ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 107.4MB in the end (delta: -56.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-13 22:18:07,696 INFO L158 Benchmark]: CodeCheck took 416.32ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 94.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:07,696 INFO L158 Benchmark]: Witness Printer took 6.23ms. Allocated memory is still 142.6MB. Free memory is still 94.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:07,698 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_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 - 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 1.55ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1271.88ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 54.6MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.60ms. Allocated memory is still 142.6MB. Free memory was 54.6MB in the beginning and 52.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.30ms. Allocated memory is still 142.6MB. Free memory was 52.1MB in the beginning and 51.2MB in the end (delta: 866.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.55ms. Allocated memory is still 142.6MB. Free memory was 51.2MB in the beginning and 107.4MB in the end (delta: -56.2MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * CodeCheck took 416.32ms. Allocated memory is still 142.6MB. Free memory was 107.4MB in the beginning and 94.0MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.23ms. Allocated memory is still 142.6MB. Free memory is still 94.0MB. 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 22:18:07,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/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_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/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_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/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_935f467b-c592-4558-83aa-c2a46ff3d4b6/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 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:18:10,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:18:10,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:18:10,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:18:10,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:18:10,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:18:10,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:18:10,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:18:10,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:18:10,935 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:18:10,936 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:18:10,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:18:10,937 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:18:10,937 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:18:10,937 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:18:10,937 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:18:10,937 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:18:10,937 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:18:10,937 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:10,938 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:18:10,938 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:18:10,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:10,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:18:10,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:18:10,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:18:10,938 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:18:10,939 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:10,939 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:18:10,939 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_935f467b-c592-4558-83aa-c2a46ff3d4b6/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 -> 408c4c5015fbe216820b33249ea8757673c3b33272002f56df36489c1631c6b2 [2024-11-13 22:18:11,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:18:11,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:18:11,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:18:11,324 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:18:11,325 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:18:11,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i Unable to find full path for "g++" [2024-11-13 22:18:13,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:18:13,905 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:18:13,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_09_bad.i [2024-11-13 22:18:13,946 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data/f926b84ad/178031f2d0d846749579303494bb9265/FLAG411f84b0e [2024-11-13 22:18:14,442 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/data/f926b84ad/178031f2d0d846749579303494bb9265 [2024-11-13 22:18:14,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:18:14,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:18:14,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:14,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:18:14,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:18:14,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:14" (1/1) ... [2024-11-13 22:18:14,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c42b749 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:14, skipping insertion in model container [2024-11-13 22:18:14,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:18:14" (1/1) ... [2024-11-13 22:18:14,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:18:15,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:15,605 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:18:15,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:18:15,938 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:18:15,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15 WrapperNode [2024-11-13 22:18:15,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:18:15,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:15,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:18:15,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:18:15,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:15,992 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 40 [2024-11-13 22:18:15,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:18:15,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:18:15,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:18:15,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:18:16,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:18:16,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:18:16,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:18:16,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:18:16,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:18:15" (1/1) ... [2024-11-13 22:18:16,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:18:16,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:18:16,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:18:16,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:18:16,098 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:18:16,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:18:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:18:16,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:18:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:18:16,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:18:16,272 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:18:16,424 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 22:18:16,425 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:18:16,489 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:18:16,489 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:18:16,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:16 BoogieIcfgContainer [2024-11-13 22:18:16,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:18:16,491 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:18:16,491 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:18:16,503 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:18:16,503 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:16" (1/1) ... [2024-11-13 22:18:16,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:18:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:18:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:18:16,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:18:16,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:16,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:18:16,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:18:16,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:18:16,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:18:16,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,908 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:18:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:18:16,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 22:18:16,950 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:18:16,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:18:16 ImpRootNode [2024-11-13 22:18:16,994 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:18:16,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:18:16,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:18:16,996 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:18:16,998 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:18:16" (3/4) ... [2024-11-13 22:18:17,001 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:18:17,002 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:18:17,006 INFO L158 Benchmark]: Toolchain (without parser) took 2557.88ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 49.1MB in the end (delta: 42.5MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2024-11-13 22:18:17,007 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:17,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.71ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.9MB in the end (delta: 10.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:17,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.24ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:17,008 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:17,009 INFO L158 Benchmark]: RCFGBuilder took 468.86ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 61.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:18:17,009 INFO L158 Benchmark]: CodeCheck took 503.33ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 49.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:18:17,009 INFO L158 Benchmark]: Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:18:17,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 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_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 - 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 0.57ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.71ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.9MB in the end (delta: 10.7MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.24ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 78.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.86ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 61.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 503.33ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 49.1MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 6.71ms. Allocated memory is still 117.4MB. Free memory is still 49.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:18:17,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_935f467b-c592-4558-83aa-c2a46ff3d4b6/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