./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_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_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/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_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/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_c065627d-6c5b-4c34-bfe2-4e77218894cf/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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:37:51,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:37:51,620 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:37:51,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:37:51,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:37:51,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:37:51,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:37:51,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:37:51,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:37:51,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:37:51,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:37:51,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:37:51,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:37:51,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:37:51,651 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:37:51,651 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:37:51,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:37:51,652 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:37:51,652 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:37:51,652 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:37:51,652 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:37:51,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:37:51,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:37:51,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:37:51,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:37:51,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:37:51,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:51,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:37:51,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:37:51,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:37:51,655 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:37:51,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:37:51,655 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_c065627d-6c5b-4c34-bfe2-4e77218894cf/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 -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2024-11-13 22:37:51,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:37:51,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:37:51,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:37:52,001 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:37:52,002 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:37:52,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i Unable to find full path for "g++" [2024-11-13 22:37:54,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:37:54,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:37:54,635 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2024-11-13 22:37:54,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data/934180955/9d631dcc2f0e42b8b4d051ec42207c8f/FLAG176603f1d [2024-11-13 22:37:54,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data/934180955/9d631dcc2f0e42b8b4d051ec42207c8f [2024-11-13 22:37:54,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:37:54,684 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:37:54,686 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:54,686 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:37:54,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:37:54,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:54" (1/1) ... [2024-11-13 22:37:54,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bc70cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:54, skipping insertion in model container [2024-11-13 22:37:54,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:54" (1/1) ... [2024-11-13 22:37:54,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:37:55,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:55,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:37:55,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:55,895 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:37:55,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55 WrapperNode [2024-11-13 22:37:55,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:55,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:55,897 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:37:55,897 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:37:55,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:55,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:55,977 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 22:37:55,977 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:55,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:37:55,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:37:55,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:37:55,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:55,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:55,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:55,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:56,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:56,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:56,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:56,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:56,016 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:37:56,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:37:56,017 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:37:56,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:37:56,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:55" (1/1) ... [2024-11-13 22:37:56,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:56,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:37:56,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:37:56,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:37:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:37:56,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:37:56,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:37:56,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:37:56,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:37:56,263 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:37:56,265 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:37:56,471 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-13 22:37:56,472 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:37:56,861 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:37:56,862 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:37:56,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:56 BoogieIcfgContainer [2024-11-13 22:37:56,863 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:37:56,864 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:37:56,864 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:37:56,876 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:37:56,876 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:56" (1/1) ... [2024-11-13 22:37:56,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:37:56,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:37:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:37:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:37:56,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:37:56,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:37:56,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:37:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:57,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:37:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:57,538 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:37:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:57,605 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:37:57,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:37:57 ImpRootNode [2024-11-13 22:37:57,647 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:37:57,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:37:57,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:37:57,650 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:37:57,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:37:56" (3/4) ... [2024-11-13 22:37:57,654 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:37:57,655 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:37:57,657 INFO L158 Benchmark]: Toolchain (without parser) took 2972.42ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 101.3MB in the end (delta: 14.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-13 22:37:57,657 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:57,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.40ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.2MB in the end (delta: 60.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 22:37:57,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.10ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:37:57,659 INFO L158 Benchmark]: Boogie Preprocessor took 37.14ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:57,659 INFO L158 Benchmark]: RCFGBuilder took 846.71ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 78.5MB in the end (delta: -27.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-13 22:37:57,662 INFO L158 Benchmark]: CodeCheck took 783.15ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 101.3MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:57,665 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 101.3MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:57,669 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: 0.7s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.40ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 55.2MB in the end (delta: 60.6MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.10ms. Allocated memory is still 142.6MB. Free memory was 55.2MB in the beginning and 52.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.14ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 51.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 846.71ms. Allocated memory is still 142.6MB. Free memory was 51.4MB in the beginning and 78.5MB in the end (delta: -27.1MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * CodeCheck took 783.15ms. Allocated memory is still 142.6MB. Free memory was 78.5MB in the beginning and 101.3MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 101.3MB in the end (delta: 13.7kB). 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 22:37:57,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/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_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/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_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/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_c065627d-6c5b-4c34-bfe2-4e77218894cf/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 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:38:00,536 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:38:00,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:38:00,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:38:00,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:38:00,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:38:00,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:38:00,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:38:00,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:38:00,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:38:00,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:38:00,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:38:00,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:38:00,735 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:38:00,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:00,736 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:38:00,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:38:00,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:38:00,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:38:00,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:38:00,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:38:00,738 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:38:00,738 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:00,739 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:38:00,739 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_c065627d-6c5b-4c34-bfe2-4e77218894cf/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 -> 3c5b13f3462c1dd603533bd6acd01b05b8e67e197df2d54bbd0b4c9776b5d765 [2024-11-13 22:38:01,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:38:01,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:38:01,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:38:01,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:38:01,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:38:01,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i Unable to find full path for "g++" [2024-11-13 22:38:03,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:38:03,594 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:38:03,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_09_bad.i [2024-11-13 22:38:03,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data/969439036/46df7ac081434192bab4771d5533bc2e/FLAGc1aa27630 [2024-11-13 22:38:03,645 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/data/969439036/46df7ac081434192bab4771d5533bc2e [2024-11-13 22:38:03,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:38:03,649 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:38:03,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:03,652 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:38:03,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:38:03,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:03" (1/1) ... [2024-11-13 22:38:03,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44688a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:03, skipping insertion in model container [2024-11-13 22:38:03,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:38:03" (1/1) ... [2024-11-13 22:38:03,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:38:04,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:04,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:38:05,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:38:05,236 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:38:05,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05 WrapperNode [2024-11-13 22:38:05,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:38:05,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:05,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:38:05,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:38:05,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,292 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 22:38:05,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:38:05,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:38:05,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:38:05,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:38:05,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,306 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,316 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,319 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,320 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:38:05,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:38:05,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:38:05,325 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:38:05,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:38:05,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:38:05,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:38:05,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:38:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:38:05,395 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:38:05,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:38:05,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:38:05,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:38:05,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:38:05,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:38:05,731 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 22:38:05,732 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:38:05,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:38:05,848 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:38:05,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:05 BoogieIcfgContainer [2024-11-13 22:38:05,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:38:05,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:38:05,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:38:05,862 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:38:05,862 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:05" (1/1) ... [2024-11-13 22:38:05,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:38:05,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:38:05,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 22:38:05,928 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 22:38:05,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:38:05,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:38:05,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:38:05,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:38:05,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:38:05,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:38:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:06,159 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:38:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:06,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:38:06,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:38:06,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:38:06,425 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:38:06,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:38:06 ImpRootNode [2024-11-13 22:38:06,465 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:38:06,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:38:06,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:38:06,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:38:06,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:38:05" (3/4) ... [2024-11-13 22:38:06,474 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:38:06,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:38:06,476 INFO L158 Benchmark]: Toolchain (without parser) took 2827.33ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 78.9MB in the end (delta: 12.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-13 22:38:06,477 INFO L158 Benchmark]: CDTParser took 0.32ms. 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 22:38:06,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1584.82ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.1MB in the end (delta: 11.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 22:38:06,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.41ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:06,481 INFO L158 Benchmark]: Boogie Preprocessor took 30.56ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:06,482 INFO L158 Benchmark]: RCFGBuilder took 524.42ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 57.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:38:06,482 INFO L158 Benchmark]: CodeCheck took 616.28ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 78.9MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:06,483 INFO L158 Benchmark]: Witness Printer took 6.69ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 78.9MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:38:06,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE191_Integer_Underflow__int_rand_postdec_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1584.82ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 80.1MB in the end (delta: 11.5MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.41ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 77.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.56ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 524.42ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 57.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 616.28ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 78.9MB in the end (delta: -21.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.69ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 78.9MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:38:06,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c065627d-6c5b-4c34-bfe2-4e77218894cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample