./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk --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 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:40:21,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:40:21,862 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:40:21,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:40:21,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:40:21,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:40:21,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:40:21,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:40:21,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:40:21,906 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:40:21,907 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:40:21,907 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:40:21,907 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:40:21,908 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:40:21,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:40:21,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:40:21,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:40:21,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:40:21,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:40:21,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:40:21,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:40:21,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:40:21,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:40:21,916 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:40:21,917 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:40:21,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:40:21,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:21,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:40:21,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:40:21,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:40:21,918 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:40:21,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:40:21,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 [2024-11-08 22:40:22,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:40:22,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:40:22,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:40:22,258 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:40:22,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:40:22,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i Unable to find full path for "g++" [2024-11-08 22:40:24,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:40:24,679 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:40:24,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-11-08 22:40:24,703 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data/94c624dd3/2848561463ad4ad493536a3c2dd68363/FLAGefd0a8618 [2024-11-08 22:40:24,720 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data/94c624dd3/2848561463ad4ad493536a3c2dd68363 [2024-11-08 22:40:24,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:40:24,724 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:40:24,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:24,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:40:24,734 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:40:24,735 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:24" (1/1) ... [2024-11-08 22:40:24,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7271e66b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:24, skipping insertion in model container [2024-11-08 22:40:24,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:24" (1/1) ... [2024-11-08 22:40:24,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:40:26,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:26,088 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:40:26,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:26,418 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:40:26,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26 WrapperNode [2024-11-08 22:40:26,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:26,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:26,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:40:26,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:40:26,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,492 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 98 [2024-11-08 22:40:26,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:26,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:40:26,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:40:26,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:40:26,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,525 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,528 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:40:26,532 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:40:26,532 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:40:26,532 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:40:26,537 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:26" (1/1) ... [2024-11-08 22:40:26,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:26,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:40:26,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:40:26,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:40:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:40:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:40:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:40:26,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:40:26,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:40:26,795 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:40:26,798 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:40:27,129 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-08 22:40:27,129 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:40:27,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:40:27,339 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:40:27,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:27 BoogieIcfgContainer [2024-11-08 22:40:27,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:40:27,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:40:27,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:40:27,351 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:40:27,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:27" (1/1) ... [2024-11-08 22:40:27,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:40:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:40:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:40:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:40:27,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:27,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:27,875 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:28,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:28,141 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:40:28,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:40:28 ImpRootNode [2024-11-08 22:40:28,173 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:40:28,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:40:28,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:40:28,176 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:40:28,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:27" (3/4) ... [2024-11-08 22:40:28,180 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:40:28,181 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:40:28,183 INFO L158 Benchmark]: Toolchain (without parser) took 3459.10ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 82.9MB in the beginning and 81.9MB in the end (delta: 959.7kB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-08 22:40:28,184 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:28,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1694.12ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 82.9MB in the beginning and 109.8MB in the end (delta: -26.9MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2024-11-08 22:40:28,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.81ms. Allocated memory is still 172.0MB. Free memory was 109.8MB in the beginning and 106.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:40:28,188 INFO L158 Benchmark]: Boogie Preprocessor took 37.85ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:28,189 INFO L158 Benchmark]: RCFGBuilder took 807.57ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 131.2MB in the end (delta: -26.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 22:40:28,190 INFO L158 Benchmark]: CodeCheck took 833.03ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 81.9MB in the end (delta: 48.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:28,191 INFO L158 Benchmark]: Witness Printer took 8.19ms. Allocated memory is still 172.0MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:28,194 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_51b_badSink(data) [L1567] data - 1 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 0.23ms. Allocated memory is still 127.9MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1694.12ms. Allocated memory was 127.9MB in the beginning and 172.0MB in the end (delta: 44.0MB). Free memory was 82.9MB in the beginning and 109.8MB in the end (delta: -26.9MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.81ms. Allocated memory is still 172.0MB. Free memory was 109.8MB in the beginning and 106.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.85ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 807.57ms. Allocated memory is still 172.0MB. Free memory was 104.5MB in the beginning and 131.2MB in the end (delta: -26.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * CodeCheck took 833.03ms. Allocated memory is still 172.0MB. Free memory was 130.2MB in the beginning and 81.9MB in the end (delta: 48.2MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 8.19ms. Allocated memory is still 172.0MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:40:28,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk --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 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:40:30,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:40:30,695 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:40:30,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:40:30,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:40:30,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:40:30,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:40:30,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:40:30,734 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:40:30,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:40:30,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:40:30,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:40:30,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:40:30,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:40:30,736 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:40:30,737 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:40:30,737 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:40:30,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:40:30,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:40:30,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:40:30,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:40:30,739 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:40:30,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:40:30,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:40:30,741 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:40:30,741 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:30,741 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:40:30,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:40:30,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:30,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:40:30,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:40:30,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:40:30,744 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:40:30,744 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:30,745 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:40:30,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b39b574f6abd68ad053f289dea3fd159ac18d0030418650be0618220b29edd9 [2024-11-08 22:40:31,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:40:31,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:40:31,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:40:31,165 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:40:31,166 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:40:31,167 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i Unable to find full path for "g++" [2024-11-08 22:40:33,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:40:33,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:40:33,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_51_bad.i [2024-11-08 22:40:33,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data/c41745cd9/b9f5daf9d91e4349bb69c5b43c07a713/FLAGd73ba934b [2024-11-08 22:40:33,618 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/data/c41745cd9/b9f5daf9d91e4349bb69c5b43c07a713 [2024-11-08 22:40:33,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:40:33,622 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:40:33,624 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:33,624 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:40:33,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:40:33,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:33" (1/1) ... [2024-11-08 22:40:33,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd21e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:33, skipping insertion in model container [2024-11-08 22:40:33,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:33" (1/1) ... [2024-11-08 22:40:33,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:40:34,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:34,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:40:34,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:35,043 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:40:35,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35 WrapperNode [2024-11-08 22:40:35,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:35,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:35,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:40:35,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:40:35,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,112 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-08 22:40:35,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:35,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:40:35,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:40:35,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:40:35,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:40:35,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:40:35,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:40:35,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:40:35,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:35,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:40:35,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:40:35,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:40:35,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:40:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:40:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:40:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:40:35,432 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:40:35,434 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:40:35,609 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 22:40:35,609 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:40:35,698 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:40:35,698 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:40:35,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:35 BoogieIcfgContainer [2024-11-08 22:40:35,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:40:35,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:40:35,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:40:35,713 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:40:35,713 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:35" (1/1) ... [2024-11-08 22:40:35,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:40:35,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:40:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:40:35,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:40:35,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:35,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:35,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:35,775 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:35,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:40:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:35,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:36,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:36,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:40:36,202 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:40:36,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:40:36 ImpRootNode [2024-11-08 22:40:36,233 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:40:36,234 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:40:36,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:40:36,235 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:40:36,237 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:35" (3/4) ... [2024-11-08 22:40:36,240 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:40:36,241 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:40:36,242 INFO L158 Benchmark]: Toolchain (without parser) took 2619.41ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 37.2MB in the beginning and 36.8MB in the end (delta: 370.2kB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:36,242 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:36,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1420.77ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 37.0MB in the beginning and 49.8MB in the end (delta: -12.7MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-08 22:40:36,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.39ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 46.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:36,244 INFO L158 Benchmark]: Boogie Preprocessor took 56.98ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 44.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:36,245 INFO L158 Benchmark]: RCFGBuilder took 527.97ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 51.5MB in the end (delta: -6.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:40:36,246 INFO L158 Benchmark]: CodeCheck took 534.28ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 36.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:40:36,247 INFO L158 Benchmark]: Witness Printer took 6.80ms. Allocated memory is still 83.9MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:36,253 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_sub_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_sub_51b_badSink(data) [L1567] data - 1 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 0.53ms. Allocated memory is still 65.0MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1420.77ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 37.0MB in the beginning and 49.8MB in the end (delta: -12.7MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.39ms. Allocated memory is still 83.9MB. Free memory was 49.8MB in the beginning and 46.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.98ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 44.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.97ms. Allocated memory is still 83.9MB. Free memory was 44.7MB in the beginning and 51.5MB in the end (delta: -6.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 534.28ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 36.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.80ms. Allocated memory is still 83.9MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:40:36,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4d877-d89b-4d5d-a4f0-b27ffca454dd/bin/ukojak-verify-ImItNfHLgk/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