./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:16,459 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:16,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:05:16,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:05:16,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:05:16,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:16,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:16,608 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:16,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:16,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:16,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:16,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:16,610 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:16,611 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:16,611 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:16,612 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:16,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:16,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:16,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:16,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:16,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:16,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:05:16,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:05:16,614 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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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 -> 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d [2024-11-13 22:05:16,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:16,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:16,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:16,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:16,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:16,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i Unable to find full path for "g++" [2024-11-13 22:05:18,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:19,397 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:19,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2024-11-13 22:05:19,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data/baa2878fc/a6420a9a8b8a4b52a0c237f5d1fa9c6a/FLAG5aa28384d [2024-11-13 22:05:19,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data/baa2878fc/a6420a9a8b8a4b52a0c237f5d1fa9c6a [2024-11-13 22:05:19,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:19,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:19,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:19,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:19,480 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:19,481 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:19" (1/1) ... [2024-11-13 22:05:19,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6922af3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:19, skipping insertion in model container [2024-11-13 22:05:19,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:19" (1/1) ... [2024-11-13 22:05:19,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:20,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:20,522 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:20,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:20,776 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:20,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20 WrapperNode [2024-11-13 22:05:20,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:20,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:20,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:20,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:20,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,830 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2024-11-13 22:05:20,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:20,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:20,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:20,835 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:20,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,849 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,862 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:20,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:20,866 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:20,866 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:20,867 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:20" (1/1) ... [2024-11-13 22:05:20,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:20,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:20,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:20,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:05:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:05:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:05:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:05:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:05:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:05:21,104 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:21,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:21,405 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:21,405 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:21,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:21,710 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:21,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:21 BoogieIcfgContainer [2024-11-13 22:05:21,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:21,711 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:21,711 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:21,721 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:21,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:21" (1/1) ... [2024-11-13 22:05:21,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:05:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:05:21,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:05:21,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:21,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:05:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:22,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:22,429 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:22,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:22,490 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:22,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:22 ImpRootNode [2024-11-13 22:05:22,525 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:22,527 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:22,527 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:22,528 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:22,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:21" (3/4) ... [2024-11-13 22:05:22,531 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:05:22,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:22,535 INFO L158 Benchmark]: Toolchain (without parser) took 3069.26ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 82.7MB in the end (delta: 32.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-13 22:05:22,536 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:22,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1311.34ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 106.8MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:05:22,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.78ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 103.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:22,539 INFO L158 Benchmark]: Boogie Preprocessor took 29.61ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:22,539 INFO L158 Benchmark]: RCFGBuilder took 845.12ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 63.9MB in the end (delta: 38.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:05:22,540 INFO L158 Benchmark]: CodeCheck took 813.64ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 82.7MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:22,540 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:22,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: 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 1565, overapproximation of bitwiseOr at line 1558. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_predec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] --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 0.90ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1311.34ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 106.8MB in the end (delta: 7.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.78ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 103.4MB in the end (delta: 3.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.61ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 845.12ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 63.9MB in the end (delta: 38.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 813.64ms. Allocated memory is still 142.6MB. Free memory was 63.9MB in the beginning and 82.7MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:05:22,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:05:25,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:05:25,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:05:25,335 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:05:25,336 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:05:25,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:05:25,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:05:25,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:05:25,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:05:25,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:05:25,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:05:25,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:05:25,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:05:25,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:05:25,341 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:05:25,341 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:05:25,341 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:05:25,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:05:25,342 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:05:25,343 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:05:25,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:05:25,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:05:25,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:05:25,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:05:25,343 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:05:25,343 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:25,343 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:05:25,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:05:25,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:25,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:05:25,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:05:25,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:05:25,344 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:05:25,344 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:25,345 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:05:25,345 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_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/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 -> 071d7d9f741deeeb2a13eba247971b53a7b68bf854765ddbfdaa91b6a618e28d [2024-11-13 22:05:25,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:05:25,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:05:25,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:05:25,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:05:25,703 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:05:25,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i Unable to find full path for "g++" [2024-11-13 22:05:27,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:05:28,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:05:28,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_67_bad.i [2024-11-13 22:05:28,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data/c13a15f2c/495c73ab33114efd9839c274b9b204db/FLAGe0adb8c09 [2024-11-13 22:05:28,179 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/data/c13a15f2c/495c73ab33114efd9839c274b9b204db [2024-11-13 22:05:28,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:05:28,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:05:28,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:28,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:05:28,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:05:28,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:28" (1/1) ... [2024-11-13 22:05:28,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72069e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:28, skipping insertion in model container [2024-11-13 22:05:28,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:05:28" (1/1) ... [2024-11-13 22:05:28,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:05:29,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:29,324 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:05:29,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:05:29,682 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:05:29,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29 WrapperNode [2024-11-13 22:05:29,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:05:29,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:29,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:05:29,685 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:05:29,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,754 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-13 22:05:29,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:05:29,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:05:29,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:05:29,755 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:05:29,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,778 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:05:29,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:05:29,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:05:29,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:05:29,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:05:29" (1/1) ... [2024-11-13 22:05:29,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:05:29,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:05:29,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:05:29,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:05:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:05:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:05:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:05:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:05:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:05:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:05:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:05:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:05:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:05:30,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:05:30,047 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:05:30,274 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 22:05:30,274 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:05:30,378 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:05:30,378 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:05:30,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:30 BoogieIcfgContainer [2024-11-13 22:05:30,379 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:05:30,379 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:05:30,380 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:05:30,395 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:05:30,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:30" (1/1) ... [2024-11-13 22:05:30,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:05:30,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:05:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 22:05:30,468 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 22:05:30,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:05:30,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:05:30,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:05:30,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:05:30,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:05:30,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:05:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:30,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:31,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:05:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:05:31,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:05:31,232 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 22:05:31,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:05:31 ImpRootNode [2024-11-13 22:05:31,273 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:05:31,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:05:31,275 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:05:31,275 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:05:31,276 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:05:30" (3/4) ... [2024-11-13 22:05:31,279 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:05:31,280 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:05:31,282 INFO L158 Benchmark]: Toolchain (without parser) took 3095.79ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 33.6MB in the end (delta: 23.5MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:31,282 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:31,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1493.86ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.0MB in the end (delta: 4.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 22:05:31,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.22ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:31,286 INFO L158 Benchmark]: Boogie Preprocessor took 27.13ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:31,286 INFO L158 Benchmark]: RCFGBuilder took 596.46ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 51.7MB in the end (delta: -4.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-13 22:05:31,287 INFO L158 Benchmark]: CodeCheck took 894.20ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 33.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:05:31,287 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 83.9MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:05:31,294 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_predec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_predec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] --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 0.45ms. Allocated memory is still 83.9MB. Free memory was 65.3MB in the beginning and 65.2MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1493.86ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.0MB in the end (delta: 4.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.22ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.13ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 596.46ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 51.7MB in the end (delta: -4.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * CodeCheck took 894.20ms. Allocated memory is still 83.9MB. Free memory was 51.7MB in the beginning and 33.6MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 83.9MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:05:31,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_870d5a52-f8a5-46b0-bdb3-0c5888d0faaf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample