./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/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_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/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_cc016dce-d40f-489d-9115-db068101e9f1/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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:50:00,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:50:00,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:50:00,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:50:00,413 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:50:00,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:50:00,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:50:00,454 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:50:00,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:50:00,455 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:50:00,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:50:00,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:50:00,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:50:00,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:50:00,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:50:00,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:50:00,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:50:00,460 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:50:00,461 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:50:00,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:50:00,461 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:50:00,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:50:00,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:50:00,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:50:00,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:50:00,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:50:00,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:50:00,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:50:00,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:50:00,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:50:00,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:50:00,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:50:00,470 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_cc016dce-d40f-489d-9115-db068101e9f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-11-08 19:50:00,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:50:00,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:50:00,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:50:00,823 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:50:00,823 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:50:00,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i Unable to find full path for "g++" [2024-11-08 19:50:02,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:50:03,321 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:50:03,322 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-08 19:50:03,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data/ff6920f50/f7cf8fb63603433bbb93dfd82cda11a9/FLAGee557dab8 [2024-11-08 19:50:03,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data/ff6920f50/f7cf8fb63603433bbb93dfd82cda11a9 [2024-11-08 19:50:03,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:50:03,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:50:03,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:50:03,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:50:03,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:50:03,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:50:03" (1/1) ... [2024-11-08 19:50:03,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a12475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:03, skipping insertion in model container [2024-11-08 19:50:03,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:50:03" (1/1) ... [2024-11-08 19:50:03,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:50:04,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:50:04,819 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:50:04,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:50:05,107 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:50:05,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05 WrapperNode [2024-11-08 19:50:05,109 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:50:05,110 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:50:05,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:50:05,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:50:05,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,153 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,187 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-08 19:50:05,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:50:05,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:50:05,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:50:05,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:50:05,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,207 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:50:05,216 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:50:05,216 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:50:05,216 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:50:05,217 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:05" (1/1) ... [2024-11-08 19:50:05,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:50:05,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:50:05,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:50:05,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:50:05,298 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:50:05,299 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:50:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:50:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:50:05,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:50:05,299 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-08 19:50:05,300 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-08 19:50:05,452 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:50:05,454 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:50:05,722 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-08 19:50:05,722 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:50:06,018 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:50:06,018 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:50:06,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:50:06 BoogieIcfgContainer [2024-11-08 19:50:06,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:50:06,020 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:50:06,020 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:50:06,031 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:50:06,031 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:50:06" (1/1) ... [2024-11-08 19:50:06,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:50:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:06,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 19:50:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 19:50:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 19:50:06,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:06,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:50:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:06,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:50:06,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:06,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:50:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:06,689 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:50:06,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:50:06 ImpRootNode [2024-11-08 19:50:06,730 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:50:06,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:50:06,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:50:06,732 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:50:06,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:50:06" (3/4) ... [2024-11-08 19:50:06,737 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:50:06,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:50:06,739 INFO L158 Benchmark]: Toolchain (without parser) took 3367.44ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 89.2MB in the end (delta: 44.9MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-08 19:50:06,740 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:50:06,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1733.86ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 116.3MB in the end (delta: 17.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-08 19:50:06,742 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.49ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 112.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:50:06,742 INFO L158 Benchmark]: Boogie Preprocessor took 26.83ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:50:06,743 INFO L158 Benchmark]: RCFGBuilder took 803.17ms. Allocated memory is still 176.2MB. Free memory was 111.6MB in the beginning and 130.2MB in the end (delta: -18.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-08 19:50:06,744 INFO L158 Benchmark]: CodeCheck took 709.98ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 89.2MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 19:50:06,744 INFO L158 Benchmark]: Witness Printer took 7.25ms. Allocated memory is still 176.2MB. Free memory was 89.2MB in the beginning and 89.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:50:06,751 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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 1575, overapproximation of bitwiseOr at line 1562. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [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 0.36ms. Allocated memory is still 104.9MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1733.86ms. Allocated memory is still 176.2MB. Free memory was 134.1MB in the beginning and 116.3MB in the end (delta: 17.9MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.49ms. Allocated memory is still 176.2MB. Free memory was 116.3MB in the beginning and 112.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.83ms. Allocated memory is still 176.2MB. Free memory was 112.9MB in the beginning and 111.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 803.17ms. Allocated memory is still 176.2MB. Free memory was 111.6MB in the beginning and 130.2MB in the end (delta: -18.7MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * CodeCheck took 709.98ms. Allocated memory is still 176.2MB. Free memory was 130.2MB in the beginning and 89.2MB in the end (delta: 41.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 7.25ms. Allocated memory is still 176.2MB. Free memory was 89.2MB in the beginning and 89.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:50:06,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/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_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/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_cc016dce-d40f-489d-9115-db068101e9f1/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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:50:09,389 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:50:09,452 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:50:09,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:50:09,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:50:09,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:50:09,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:50:09,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:50:09,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:50:09,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:50:09,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:50:09,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:50:09,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:50:09,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:50:09,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:50:09,493 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:50:09,495 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:50:09,496 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:50:09,496 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:50:09,499 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:50:09,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:50:09,500 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:50:09,500 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:50:09,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:50:09,501 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:50:09,501 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:50:09,502 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:50:09,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:50:09,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:50:09,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:50:09,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:50:09,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:50:09,507 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:50:09,508 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:50:09,508 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:50:09,511 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_cc016dce-d40f-489d-9115-db068101e9f1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-11-08 19:50:09,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:50:09,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:50:09,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:50:09,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:50:09,972 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:50:09,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i Unable to find full path for "g++" [2024-11-08 19:50:12,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:50:12,525 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:50:12,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-11-08 19:50:12,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data/0efdb6099/4c176fc4d2364e6ea7bf698a8fa2addb/FLAG4d49d02b1 [2024-11-08 19:50:12,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/data/0efdb6099/4c176fc4d2364e6ea7bf698a8fa2addb [2024-11-08 19:50:12,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:50:12,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:50:12,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:50:12,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:50:12,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:50:12,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:50:12" (1/1) ... [2024-11-08 19:50:12,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a9cec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:12, skipping insertion in model container [2024-11-08 19:50:12,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:50:12" (1/1) ... [2024-11-08 19:50:12,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:50:14,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:50:14,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:50:14,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:50:14,345 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:50:14,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14 WrapperNode [2024-11-08 19:50:14,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:50:14,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:50:14,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:50:14,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:50:14,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,436 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-08 19:50:14,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:50:14,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:50:14,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:50:14,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:50:14,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,483 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:50:14,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:50:14,496 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:50:14,496 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:50:14,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:50:14" (1/1) ... [2024-11-08 19:50:14,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:50:14,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:50:14,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:50:14,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:50:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:50:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:50:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:50:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:50:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:50:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-08 19:50:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-08 19:50:14,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:50:14,792 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:50:15,003 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 19:50:15,004 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:50:15,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:50:15,074 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:50:15,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:50:15 BoogieIcfgContainer [2024-11-08 19:50:15,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:50:15,076 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:50:15,076 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:50:15,086 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:50:15,086 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:50:15" (1/1) ... [2024-11-08 19:50:15,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:50:15,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:50:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-08 19:50:15,193 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-08 19:50:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:50:15,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:50:15,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:50:15,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:50:15,202 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:50:15,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:50:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:15,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:50:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:15,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:50:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:50:15,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:50:15,675 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:50:15,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:50:15 ImpRootNode [2024-11-08 19:50:15,709 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:50:15,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:50:15,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:50:15,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:50:15,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:50:15" (3/4) ... [2024-11-08 19:50:15,716 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:50:15,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:50:15,718 INFO L158 Benchmark]: Toolchain (without parser) took 3127.86ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 47.1MB in the beginning and 52.0MB in the end (delta: -5.0MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-11-08 19:50:15,719 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory is still 28.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:50:15,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1753.19ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 46.9MB in the beginning and 64.5MB in the end (delta: -17.6MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2024-11-08 19:50:15,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.48ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 61.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:50:15,721 INFO L158 Benchmark]: Boogie Preprocessor took 56.13ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:50:15,722 INFO L158 Benchmark]: RCFGBuilder took 579.28ms. Allocated memory is still 96.5MB. Free memory was 59.3MB in the beginning and 40.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:50:15,723 INFO L158 Benchmark]: CodeCheck took 633.19ms. Allocated memory is still 96.5MB. Free memory was 40.4MB in the beginning and 52.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:50:15,724 INFO L158 Benchmark]: Witness Printer took 7.89ms. Allocated memory is still 96.5MB. Free memory is still 52.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:50:15,730 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 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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 1575. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [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 0.29ms. Allocated memory is still 52.4MB. Free memory is still 28.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1753.19ms. Allocated memory was 75.5MB in the beginning and 96.5MB in the end (delta: 21.0MB). Free memory was 46.9MB in the beginning and 64.5MB in the end (delta: -17.6MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.48ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 61.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.13ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 59.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.28ms. Allocated memory is still 96.5MB. Free memory was 59.3MB in the beginning and 40.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 633.19ms. Allocated memory is still 96.5MB. Free memory was 40.4MB in the beginning and 52.6MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.89ms. Allocated memory is still 96.5MB. Free memory is still 52.0MB. 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 19:50:15,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc016dce-d40f-489d-9115-db068101e9f1/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