./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_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_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:59,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:59,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:48:59,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:48:59,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:48:59,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:59,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:59,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:59,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:59,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:59,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:59,795 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:59,796 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:48:59,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:59,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:59,796 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:59,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:59,796 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:59,797 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:48:59,797 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:48:59,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:59,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:59,797 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:59,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:59,798 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:59,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:59,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:59,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:59,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:59,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:59,799 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:48:59,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:48:59,799 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_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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 -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2024-11-13 20:49:00,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:00,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:00,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:00,164 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:00,164 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:00,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i Unable to find full path for "g++" [2024-11-13 20:49:02,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:02,536 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:02,536 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2024-11-13 20:49:02,576 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data/924b8537b/a0008ad6707c4f83a2d2272a9b42ca4a/FLAG0658547a5 [2024-11-13 20:49:02,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data/924b8537b/a0008ad6707c4f83a2d2272a9b42ca4a [2024-11-13 20:49:02,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:02,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:02,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:02,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:02,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:02,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:02" (1/1) ... [2024-11-13 20:49:02,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24859a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:02, skipping insertion in model container [2024-11-13 20:49:02,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:02" (1/1) ... [2024-11-13 20:49:02,765 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:03,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:03,696 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:03,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:03,958 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:03,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03 WrapperNode [2024-11-13 20:49:03,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:03,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:03,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:03,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:03,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:03,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,018 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-11-13 20:49:04,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:04,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:04,022 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:04,022 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:04,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:04,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:04,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:04,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:04,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:03" (1/1) ... [2024-11-13 20:49:04,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:04,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:04,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:04,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:49:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:49:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:04,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:04,338 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:04,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:49:04,620 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-13 20:49:04,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:49:04,852 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:49:04,853 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:49:04,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:04 BoogieIcfgContainer [2024-11-13 20:49:04,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:49:04,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:49:04,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:49:04,865 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:49:04,865 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:04" (1/1) ... [2024-11-13 20:49:04,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:49:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:49:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:49:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:49:04,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:04,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:05,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:05,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:05,552 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:49:05,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:49:05 ImpRootNode [2024-11-13 20:49:05,582 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:49:05,583 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:49:05,583 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:49:05,583 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:49:05,584 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:04" (3/4) ... [2024-11-13 20:49:05,586 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:49:05,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:49:05,588 INFO L158 Benchmark]: Toolchain (without parser) took 2910.22ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 63.7MB in the end (delta: 26.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-13 20:49:05,588 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:05,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.46ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 80.6MB in the end (delta: 9.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 20:49:05,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:05,589 INFO L158 Benchmark]: Boogie Preprocessor took 44.65ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:05,590 INFO L158 Benchmark]: RCFGBuilder took 786.64ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 39.6MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:49:05,590 INFO L158 Benchmark]: CodeCheck took 727.80ms. Allocated memory is still 117.4MB. Free memory was 39.6MB in the beginning and 64.5MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:05,591 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 63.7MB in the end (delta: 776.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:05,593 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: 1572]: 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 1561, 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [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)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, 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 0.29ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.46ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 80.6MB in the end (delta: 9.2MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 77.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.65ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 786.64ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 39.6MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 727.80ms. Allocated memory is still 117.4MB. Free memory was 39.6MB in the beginning and 64.5MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 63.7MB in the end (delta: 776.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:49:05,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:49:08,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:49:08,445 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:49:08,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:49:08,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:49:08,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:49:08,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:49:08,475 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:49:08,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:49:08,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:49:08,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:49:08,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:49:08,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:49:08,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:49:08,476 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:49:08,476 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:49:08,476 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:49:08,476 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:49:08,476 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:49:08,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:49:08,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:49:08,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:49:08,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:49:08,477 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:49:08,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:49:08,477 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:08,477 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:49:08,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:49:08,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:08,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:49:08,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:49:08,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:49:08,478 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:49:08,478 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:08,479 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:49:08,479 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_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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 -> 288ffc54f81d5a767b98309c1402bdf567c8623bb567d92aa37a9379325562e7 [2024-11-13 20:49:08,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:49:08,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:49:08,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:49:08,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:49:08,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:49:08,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i Unable to find full path for "g++" [2024-11-13 20:49:10,735 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:49:11,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:49:11,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_22_bad.i [2024-11-13 20:49:11,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data/d5eefc4b3/9b9a4c2cc70c46dea76286b157ef3419/FLAGe2c2140b8 [2024-11-13 20:49:11,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/data/d5eefc4b3/9b9a4c2cc70c46dea76286b157ef3419 [2024-11-13 20:49:11,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:49:11,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:49:11,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:11,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:49:11,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:49:11,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:11" (1/1) ... [2024-11-13 20:49:11,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78804c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:11, skipping insertion in model container [2024-11-13 20:49:11,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:49:11" (1/1) ... [2024-11-13 20:49:11,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:49:12,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:12,472 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:49:12,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:49:12,817 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:49:12,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12 WrapperNode [2024-11-13 20:49:12,818 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:49:12,819 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:12,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:49:12,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:49:12,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,883 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-13 20:49:12,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:49:12,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:49:12,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:49:12,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:49:12,889 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,897 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:49:12,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:49:12,920 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:49:12,920 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:49:12,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:49:12" (1/1) ... [2024-11-13 20:49:12,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:49:12,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:49:12,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:49:12,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:49:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:49:12,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:49:12,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:49:12,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:49:12,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:49:13,135 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:49:13,138 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:49:13,280 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 20:49:13,281 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:49:13,345 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:49:13,345 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:49:13,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:13 BoogieIcfgContainer [2024-11-13 20:49:13,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:49:13,360 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:49:13,360 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:49:13,371 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:49:13,371 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:13" (1/1) ... [2024-11-13 20:49:13,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:49:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 20:49:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 20:49:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:49:13,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:13,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:13,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:13,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:13,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:49:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:13,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:13,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:49:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:49:13,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:49:13,881 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:49:13,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:49:13 ImpRootNode [2024-11-13 20:49:13,915 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:49:13,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:49:13,916 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:49:13,917 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:49:13,917 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:49:13" (3/4) ... [2024-11-13 20:49:13,920 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:49:13,921 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:49:13,922 INFO L158 Benchmark]: Toolchain (without parser) took 2635.19ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 38.0MB in the end (delta: 19.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-11-13 20:49:13,922 INFO L158 Benchmark]: CDTParser took 2.83ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:13,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1529.35ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 50.8MB in the end (delta: 6.5MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-11-13 20:49:13,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.37ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:13,926 INFO L158 Benchmark]: Boogie Preprocessor took 35.09ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:13,926 INFO L158 Benchmark]: RCFGBuilder took 426.78ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 28.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:49:13,926 INFO L158 Benchmark]: CodeCheck took 554.69ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 38.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:49:13,928 INFO L158 Benchmark]: Witness Printer took 5.87ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 38.0MB in the end (delta: 424.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:49:13,930 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_rand_postdec_22_bad() [L1552] int data; [L1553] data = 0 [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)) [L1555] CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_rand_postdec_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal) [L1572] data-- VAL [CWE191_Integer_Underflow__int_rand_postdec_22_badGlobal=1, 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 2.83ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1529.35ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 50.8MB in the end (delta: 6.5MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.37ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.09ms. Allocated memory is still 83.9MB. Free memory was 48.1MB in the beginning and 46.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.78ms. Allocated memory is still 83.9MB. Free memory was 46.2MB in the beginning and 28.9MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 554.69ms. Allocated memory is still 83.9MB. Free memory was 52.4MB in the beginning and 38.4MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.87ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 38.0MB in the end (delta: 424.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:49:13,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c42e8908-5ba8-4d25-b768-6d2bffac39f4/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