./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/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_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/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_5a863917-92df-4042-85a1-5492c8bed86f/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 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:16,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:16,733 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:24:16,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:24:16,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:24:16,778 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:16,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:16,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:16,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:16,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:16,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:16,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:16,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:24:16,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:16,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:16,784 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:16,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:16,785 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:16,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:24:16,786 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:24:16,786 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:16,786 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:16,786 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:16,786 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:16,786 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:16,787 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:16,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:16,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:16,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:16,787 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:16,787 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:24:16,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:24:16,787 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_5a863917-92df-4042-85a1-5492c8bed86f/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 -> 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 [2024-11-13 21:24:17,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:17,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:17,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:17,182 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:17,182 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:17,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i Unable to find full path for "g++" [2024-11-13 21:24:19,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:19,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:19,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i [2024-11-13 21:24:19,667 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data/0f807baa1/8964ee6f8e1d4bcdb0f7b3bcf58b3ae5/FLAG779f2a8c8 [2024-11-13 21:24:19,684 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data/0f807baa1/8964ee6f8e1d4bcdb0f7b3bcf58b3ae5 [2024-11-13 21:24:19,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:19,688 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:19,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:19,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:19,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:19,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:19" (1/1) ... [2024-11-13 21:24:19,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e198f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:19, skipping insertion in model container [2024-11-13 21:24:19,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:19" (1/1) ... [2024-11-13 21:24:19,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:20,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:21,000 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:21,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:21,294 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:21,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21 WrapperNode [2024-11-13 21:24:21,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:21,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:21,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:21,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:21,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,347 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-11-13 21:24:21,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:21,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:21,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:21,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:21,356 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,359 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,359 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:21,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:21,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:21,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:21,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:21" (1/1) ... [2024-11-13 21:24:21,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:21,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:21,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:21,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:24:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:24:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:21,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:21,589 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:21,591 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:21,865 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:21,865 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:22,145 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:22,146 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:24:22,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:22 BoogieIcfgContainer [2024-11-13 21:24:22,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:22,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:22,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:22,158 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:22,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:22" (1/1) ... [2024-11-13 21:24:22,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:22,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:24:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:24:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:24:22,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:22,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:22,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:22,898 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:24:22,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:24:22 ImpRootNode [2024-11-13 21:24:22,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:24:22,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:24:22,937 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:24:22,937 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:24:22,938 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:22" (3/4) ... [2024-11-13 21:24:22,941 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:24:22,942 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:24:22,943 INFO L158 Benchmark]: Toolchain (without parser) took 3254.78ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 53.2MB in the end (delta: 36.3MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-13 21:24:22,945 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:22,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1605.76ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.2MB in the end (delta: 8.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:24:22,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.07ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:24:22,946 INFO L158 Benchmark]: Boogie Preprocessor took 23.68ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:22,946 INFO L158 Benchmark]: RCFGBuilder took 774.22ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 40.6MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:24:22,946 INFO L158 Benchmark]: CodeCheck took 789.52ms. Allocated memory is still 117.4MB. Free memory was 40.6MB in the beginning and 53.8MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:22,947 INFO L158 Benchmark]: Witness Printer took 5.21ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 53.2MB in the end (delta: 651.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:22,952 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566, overapproximation of bitwiseOr at line 1552. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1605.76ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.2MB in the end (delta: 8.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.07ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.4MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.68ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 77.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 774.22ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 40.6MB in the end (delta: 36.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 789.52ms. Allocated memory is still 117.4MB. Free memory was 40.6MB in the beginning and 53.8MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.21ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 53.2MB in the end (delta: 651.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:24:22,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/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_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/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_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/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_5a863917-92df-4042-85a1-5492c8bed86f/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 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:24:26,009 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:24:26,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:24:26,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:24:26,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:24:26,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:24:26,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:24:26,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:24:26,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:24:26,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:24:26,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:24:26,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:24:26,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:24:26,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:24:26,183 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:24:26,183 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:24:26,183 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:24:26,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:24:26,185 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:24:26,186 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:24:26,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:24:26,186 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:24:26,186 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:24:26,186 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:24:26,186 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:24:26,186 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:26,186 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:24:26,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:24:26,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:26,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:24:26,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:24:26,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:24:26,187 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:24:26,187 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:26,188 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:24:26,188 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_5a863917-92df-4042-85a1-5492c8bed86f/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 -> 2649b1239dfd4d32a381247ed4f3ea4d3759b9bf4f4dfb0870461a76ea95d255 [2024-11-13 21:24:26,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:24:26,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:24:26,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:24:26,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:24:26,632 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:24:26,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i Unable to find full path for "g++" [2024-11-13 21:24:28,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:24:29,226 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:24:29,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_31_bad.i [2024-11-13 21:24:29,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data/47cfa2fc9/89af07c4311c4f0580ede57d752f0a37/FLAG41704210d [2024-11-13 21:24:29,291 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/data/47cfa2fc9/89af07c4311c4f0580ede57d752f0a37 [2024-11-13 21:24:29,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:24:29,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:24:29,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:29,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:24:29,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:24:29,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:29,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e53cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:29, skipping insertion in model container [2024-11-13 21:24:29,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:24:29" (1/1) ... [2024-11-13 21:24:29,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:24:30,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:30,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:24:30,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:24:30,640 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:24:30,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30 WrapperNode [2024-11-13 21:24:30,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:24:30,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:30,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:24:30,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:24:30,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,699 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-13 21:24:30,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:24:30,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:24:30,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:24:30,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:24:30,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,719 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:24:30,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:24:30,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:24:30,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:24:30,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:24:30" (1/1) ... [2024-11-13 21:24:30,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:24:30,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:24:30,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:24:30,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:24:30,794 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:24:30,794 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:24:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:24:30,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:24:30,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:24:30,950 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:24:30,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:24:31,073 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:24:31,073 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:24:31,129 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:24:31,129 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:24:31,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:31 BoogieIcfgContainer [2024-11-13 21:24:31,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:24:31,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:24:31,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:24:31,149 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:24:31,149 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:31" (1/1) ... [2024-11-13 21:24:31,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:24:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:24:31,211 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:24:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:24:31,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:31,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:24:31,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:24:31,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:24:31,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:24:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:31,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:31,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:24:31,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:24:31,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:24:31,622 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 21:24:31,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:24:31 ImpRootNode [2024-11-13 21:24:31,650 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:24:31,651 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:24:31,651 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:24:31,651 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:24:31,652 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:24:31" (3/4) ... [2024-11-13 21:24:31,654 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:24:31,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:24:31,656 INFO L158 Benchmark]: Toolchain (without parser) took 2360.22ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 39.4MB in the end (delta: 17.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-13 21:24:31,656 INFO L158 Benchmark]: CDTParser took 3.99ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:31,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.75ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 21:24:31,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.14ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:31,657 INFO L158 Benchmark]: Boogie Preprocessor took 27.33ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:31,658 INFO L158 Benchmark]: RCFGBuilder took 401.56ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 29.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:24:31,658 INFO L158 Benchmark]: CodeCheck took 519.41ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 39.4MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:31,659 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:24:31,661 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.99ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.75ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.8MB in the end (delta: 6.2MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.14ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.33ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 401.56ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 29.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 519.41ms. Allocated memory is still 83.9MB. Free memory was 29.3MB in the beginning and 39.4MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 83.9MB. Free memory is still 39.4MB. 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 21:24:31,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a863917-92df-4042-85a1-5492c8bed86f/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