./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:15:56,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:15:56,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 23:15:56,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:15:56,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:15:56,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:15:56,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:15:56,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:15:56,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:15:56,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:15:56,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:15:56,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:15:56,853 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:15:56,853 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:15:56,853 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:15:56,853 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:15:56,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:15:56,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:15:56,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:15:56,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:15:56,853 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:15:56,854 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:15:56,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:15:56,854 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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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 -> 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d [2024-11-13 23:15:57,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:15:57,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:15:57,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:15:57,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:15:57,198 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:15:57,199 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 23:15:59,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:15:59,540 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:15:59,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2024-11-13 23:15:59,575 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data/52b2408b4/f1a77410bfef43d1b09da13ee67b9d38/FLAGf1c803252 [2024-11-13 23:15:59,603 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data/52b2408b4/f1a77410bfef43d1b09da13ee67b9d38 [2024-11-13 23:15:59,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:15:59,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:15:59,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:15:59,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:15:59,619 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:15:59,620 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:59" (1/1) ... [2024-11-13 23:15:59,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d495993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:59, skipping insertion in model container [2024-11-13 23:15:59,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:59" (1/1) ... [2024-11-13 23:15:59,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:16:00,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:00,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:16:00,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:00,866 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:16:00,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00 WrapperNode [2024-11-13 23:16:00,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:00,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:00,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:16:00,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:16:00,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,897 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,927 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-13 23:16:00,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:00,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:16:00,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:16:00,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:16:00,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:16:00,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:16:00,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:16:00,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:16:00,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:00" (1/1) ... [2024-11-13 23:16:00,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:00,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:16:01,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:16:01,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:16:01,041 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:16:01,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:16:01,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:16:01,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:16:01,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:16:01,244 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:16:01,246 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:16:01,531 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 23:16:01,531 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:16:01,826 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:16:01,827 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:16:01,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:01 BoogieIcfgContainer [2024-11-13 23:16:01,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:16:01,829 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:16:01,829 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:16:01,839 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:16:01,840 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:01" (1/1) ... [2024-11-13 23:16:01,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:16:01,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:01,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:16:01,914 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:16:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:16:01,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:16:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:02,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:02,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:02,495 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:16:02,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:16:02 ImpRootNode [2024-11-13 23:16:02,526 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:16:02,526 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:16:02,526 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:16:02,527 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:16:02,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:01" (3/4) ... [2024-11-13 23:16:02,531 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:16:02,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:16:02,533 INFO L158 Benchmark]: Toolchain (without parser) took 2923.53ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 81.9MB in the end (delta: 33.0MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-13 23:16:02,533 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:02,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1257.89ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 105.9MB in the end (delta: 8.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 23:16:02,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.42ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:16:02,537 INFO L158 Benchmark]: Boogie Preprocessor took 38.97ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:02,537 INFO L158 Benchmark]: RCFGBuilder took 860.50ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 60.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 23:16:02,537 INFO L158 Benchmark]: CodeCheck took 696.59ms. Allocated memory is still 142.6MB. Free memory was 60.1MB in the beginning and 82.0MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:02,538 INFO L158 Benchmark]: Witness Printer took 5.46ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 81.9MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:02,542 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: 0.6s, 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_predec_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) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data 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 0.42ms. Allocated memory is still 142.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1257.89ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 105.9MB in the end (delta: 8.8MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.42ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 103.3MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.97ms. Allocated memory is still 142.6MB. Free memory was 103.3MB in the beginning and 102.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 860.50ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 60.1MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 696.59ms. Allocated memory is still 142.6MB. Free memory was 60.1MB in the beginning and 82.0MB in the end (delta: -21.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.46ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 81.9MB 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 23:16:02,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:16:05,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:16:05,337 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 23:16:05,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:16:05,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:16:05,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:16:05,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:16:05,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:16:05,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:16:05,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:16:05,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:16:05,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:16:05,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:16:05,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:16:05,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:16:05,367 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:16:05,368 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:16:05,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:16:05,369 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:05,369 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:16:05,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:16:05,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:05,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:16:05,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:16:05,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:16:05,369 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:16:05,370 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:05,370 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:16:05,370 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_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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 -> 24f502f513783ce5a0195ebf41a7db9e851f5ce9cb655e743264341368add47d [2024-11-13 23:16:05,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:16:05,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:16:05,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:16:05,713 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:16:05,713 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:16:05,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i Unable to find full path for "g++" [2024-11-13 23:16:08,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:16:08,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:16:08,768 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_09_bad.i [2024-11-13 23:16:08,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data/f53bc1567/671f171b394440a4b2aeebedfcd26260/FLAG1a9f5629a [2024-11-13 23:16:08,837 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/data/f53bc1567/671f171b394440a4b2aeebedfcd26260 [2024-11-13 23:16:08,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:16:08,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:16:08,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:08,844 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:16:08,850 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:16:08,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:08" (1/1) ... [2024-11-13 23:16:08,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d1feee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:08, skipping insertion in model container [2024-11-13 23:16:08,852 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:16:08" (1/1) ... [2024-11-13 23:16:08,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:16:10,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:10,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:16:10,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:16:10,616 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:16:10,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10 WrapperNode [2024-11-13 23:16:10,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:16:10,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:10,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:16:10,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:16:10,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,705 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-13 23:16:10,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:16:10,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:16:10,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:16:10,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:16:10,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,727 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:16:10,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:16:10,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:16:10,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:16:10,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:16:10" (1/1) ... [2024-11-13 23:16:10,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:16:10,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:16:10,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:16:10,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:16:10,857 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 23:16:10,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 23:16:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:16:10,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:16:10,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:16:11,134 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:16:11,137 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:16:11,374 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 23:16:11,376 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:16:11,506 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:16:11,507 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 23:16:11,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:11 BoogieIcfgContainer [2024-11-13 23:16:11,508 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:16:11,509 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:16:11,509 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:16:11,528 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:16:11,528 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:11" (1/1) ... [2024-11-13 23:16:11,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:16:11,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:11,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 23:16:11,620 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 23:16:11,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 23:16:11,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:11,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:11,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:11,631 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:11,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:16:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:11,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:12,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:16:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:16:12,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 23:16:12,249 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 23:16:12,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:16:12 ImpRootNode [2024-11-13 23:16:12,298 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:16:12,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:16:12,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:16:12,302 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:16:12,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:16:11" (3/4) ... [2024-11-13 23:16:12,308 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 23:16:12,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:16:12,314 INFO L158 Benchmark]: Toolchain (without parser) took 3468.47ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.4MB in the end (delta: 10.0MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-11-13 23:16:12,314 INFO L158 Benchmark]: CDTParser took 3.17ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:12,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1774.59ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 78.8MB in the end (delta: 10.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 23:16:12,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.75ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:12,315 INFO L158 Benchmark]: Boogie Preprocessor took 49.21ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:12,316 INFO L158 Benchmark]: RCFGBuilder took 751.39ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 55.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:16:12,320 INFO L158 Benchmark]: CodeCheck took 790.09ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 79.4MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:12,321 INFO L158 Benchmark]: Witness Printer took 8.81ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.4MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:16:12,323 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. 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_predec_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) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.17ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1774.59ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 78.8MB in the end (delta: 10.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.75ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.7MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.21ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 74.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 751.39ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 55.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 790.09ms. Allocated memory is still 117.4MB. Free memory was 55.9MB in the beginning and 79.4MB in the end (delta: -23.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.81ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 79.4MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 23:16:12,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d9ea95-1f3f-4701-aaa9-c0c13e67e291/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