./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_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_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/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_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/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_52196002-e5ca-4a82-8686-a37e7aa9f980/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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:44,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:44,238 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:21:44,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:21:44,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:21:44,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:44,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:44,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:44,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:44,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:44,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:44,267 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:44,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:21:44,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:44,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:44,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:44,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:44,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:44,270 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:21:44,270 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:21:44,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:44,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:44,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:44,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:44,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:44,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:44,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:44,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:44,275 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:44,275 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:44,276 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:21:44,276 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:21:44,276 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_52196002-e5ca-4a82-8686-a37e7aa9f980/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2024-11-08 22:21:44,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:44,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:44,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:44,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:44,652 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:44,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i Unable to find full path for "g++" [2024-11-08 22:21:46,678 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:47,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:47,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-08 22:21:47,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data/baa0d52f7/d31618eab0874bcab33fe660d0f4fbfb/FLAGbf5a9f072 [2024-11-08 22:21:47,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data/baa0d52f7/d31618eab0874bcab33fe660d0f4fbfb [2024-11-08 22:21:47,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:47,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:47,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:47,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:47,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:47,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:47" (1/1) ... [2024-11-08 22:21:47,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38545751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:47, skipping insertion in model container [2024-11-08 22:21:47,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:47" (1/1) ... [2024-11-08 22:21:47,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:21:48,292 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:48,302 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:21:48,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:48,546 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:21:48,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48 WrapperNode [2024-11-08 22:21:48,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:48,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:48,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:21:48,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:21:48,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,628 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 106 [2024-11-08 22:21:48,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:48,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:21:48,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:21:48,631 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:21:48,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,647 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,654 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:21:48,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:21:48,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:21:48,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:21:48,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:48" (1/1) ... [2024-11-08 22:21:48,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:48,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:21:48,745 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:21:48,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:21:48,800 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:21:48,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:21:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:21:48,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:21:48,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:21:48,946 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:21:48,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:49,209 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:49,210 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:49,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:49,515 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:21:49,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:49 BoogieIcfgContainer [2024-11-08 22:21:49,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:49,517 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:49,517 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:49,528 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:49,529 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:49" (1/1) ... [2024-11-08 22:21:49,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:49,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:21:49,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:21:49,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:21:49,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:49,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:21:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:49,896 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:21:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:50,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:21:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:50,234 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:21:50,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:21:50 ImpRootNode [2024-11-08 22:21:50,273 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:21:50,275 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:21:50,276 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:21:50,276 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:21:50,279 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:49" (3/4) ... [2024-11-08 22:21:50,282 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:21:50,284 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:21:50,286 INFO L158 Benchmark]: Toolchain (without parser) took 3082.64ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 129.1MB in the beginning and 105.0MB in the end (delta: 24.1MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-08 22:21:50,287 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 165.7MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:21:50,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1342.50ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 62.7MB in the end (delta: 66.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-08 22:21:50,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.59ms. Allocated memory is still 165.7MB. Free memory was 62.7MB in the beginning and 59.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:21:50,291 INFO L158 Benchmark]: Boogie Preprocessor took 71.12ms. Allocated memory is still 165.7MB. Free memory was 59.2MB in the beginning and 133.6MB in the end (delta: -74.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-11-08 22:21:50,292 INFO L158 Benchmark]: RCFGBuilder took 814.72ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 133.5MB in the beginning and 149.0MB in the end (delta: -15.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-08 22:21:50,293 INFO L158 Benchmark]: CodeCheck took 756.64ms. Allocated memory is still 218.1MB. Free memory was 149.0MB in the beginning and 105.9MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:21:50,294 INFO L158 Benchmark]: Witness Printer took 9.29ms. Allocated memory is still 218.1MB. Free memory was 105.9MB in the beginning and 105.0MB in the end (delta: 914.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:21:50,300 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1555]: 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 1563, overapproximation of bitwiseOr at line 1570. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 165.7MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1342.50ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 62.7MB in the end (delta: 66.4MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.59ms. Allocated memory is still 165.7MB. Free memory was 62.7MB in the beginning and 59.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.12ms. Allocated memory is still 165.7MB. Free memory was 59.2MB in the beginning and 133.6MB in the end (delta: -74.4MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * RCFGBuilder took 814.72ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 133.5MB in the beginning and 149.0MB in the end (delta: -15.5MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * CodeCheck took 756.64ms. Allocated memory is still 218.1MB. Free memory was 149.0MB in the beginning and 105.9MB in the end (delta: 43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 9.29ms. Allocated memory is still 218.1MB. Free memory was 105.9MB in the beginning and 105.0MB in the end (delta: 914.8kB). 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 22:21:50,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/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_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/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_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/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_52196002-e5ca-4a82-8686-a37e7aa9f980/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 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:53,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:53,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:21:53,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:53,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:53,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:53,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:53,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:53,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:53,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:53,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:53,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:53,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:53,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:53,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:21:53,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:21:53,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:53,149 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:21:53,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:21:53,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:21:53,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:53,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:53,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:53,151 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:53,152 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:53,152 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:53,152 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:21:53,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:53,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:53,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:53,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:53,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:53,155 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:21:53,155 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:53,155 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:21:53,156 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_52196002-e5ca-4a82-8686-a37e7aa9f980/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf48e6f43cdcb1ddba628e3d3c208d4f7410fc9f0e3593c1621578e046c16a6 [2024-11-08 22:21:53,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:53,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:53,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:53,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:53,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:53,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i Unable to find full path for "g++" [2024-11-08 22:21:55,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:56,318 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:56,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_61_bad.i [2024-11-08 22:21:56,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data/b35705a99/f26607b1510541a0af0886c432c98793/FLAG4f91d4d4f [2024-11-08 22:21:56,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/data/b35705a99/f26607b1510541a0af0886c432c98793 [2024-11-08 22:21:56,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:56,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:56,370 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:56,370 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:56,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:56,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:56" (1/1) ... [2024-11-08 22:21:56,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677af49b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:56, skipping insertion in model container [2024-11-08 22:21:56,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:56" (1/1) ... [2024-11-08 22:21:56,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:21:57,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:57,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:21:57,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:57,951 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:21:57,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57 WrapperNode [2024-11-08 22:21:57,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:57,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:57,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:21:57,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:21:57,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:57,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,022 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-08 22:21:58,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:58,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:21:58,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:21:58,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:21:58,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,053 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:21:58,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:21:58,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:21:58,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:21:58,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:57" (1/1) ... [2024-11-08 22:21:58,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:58,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:21:58,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:21:58,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:21:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:21:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:21:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:21:58,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:21:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:21:58,358 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:21:58,360 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:58,577 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:58,580 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:58,711 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:58,711 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:21:58,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:58 BoogieIcfgContainer [2024-11-08 22:21:58,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:58,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:58,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:58,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:58,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:58" (1/1) ... [2024-11-08 22:21:58,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:21:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:21:58,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:21:58,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:58,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:58,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:58,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:58,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:21:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:59,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:21:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:59,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:21:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:59,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:21:59,311 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:21:59,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:21:59 ImpRootNode [2024-11-08 22:21:59,353 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:21:59,354 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:21:59,354 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:21:59,354 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:21:59,357 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:58" (3/4) ... [2024-11-08 22:21:59,360 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:21:59,361 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:21:59,362 INFO L158 Benchmark]: Toolchain (without parser) took 2995.63ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 41.2MB in the beginning and 54.0MB in the end (delta: -12.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-11-08 22:21:59,362 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:21:59,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1582.06ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.9MB in the beginning and 36.8MB in the end (delta: 4.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-08 22:21:59,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.93ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 54.7MB in the end (delta: -17.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:21:59,364 INFO L158 Benchmark]: Boogie Preprocessor took 33.64ms. Allocated memory is still 83.9MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:21:59,366 INFO L158 Benchmark]: RCFGBuilder took 655.94ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.6MB in the beginning and 69.7MB in the end (delta: -17.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-11-08 22:21:59,367 INFO L158 Benchmark]: CodeCheck took 638.64ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 54.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:21:59,368 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.0MB in the end (delta: 501.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:21:59,373 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: 0.6s, 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, 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: 1555]: 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 1563. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_predec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_predec_61b_badSource(data) [L1555] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1582.06ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.9MB in the beginning and 36.8MB in the end (delta: 4.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.93ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 54.7MB in the end (delta: -17.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.64ms. Allocated memory is still 83.9MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.94ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.6MB in the beginning and 69.7MB in the end (delta: -17.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * CodeCheck took 638.64ms. Allocated memory is still 100.7MB. Free memory was 69.7MB in the beginning and 54.5MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 100.7MB. Free memory was 54.5MB in the beginning and 54.0MB in the end (delta: 501.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:21:59,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52196002-e5ca-4a82-8686-a37e7aa9f980/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