./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_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_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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 cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:29:05,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:29:05,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:29:05,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:29:05,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:29:05,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:29:05,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:29:05,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:29:05,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:29:05,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:29:05,829 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:29:05,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:29:05,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:29:05,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:29:05,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:29:05,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:29:05,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:29:05,833 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:29:05,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:29:05,834 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:29:05,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:29:05,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:29:05,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:29:05,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:29:05,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:29:05,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:29:05,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:05,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:29:05,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:29:05,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:29:05,839 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:29:05,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:29:05,840 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_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 [2024-11-08 22:29:06,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:29:06,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:29:06,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:29:06,264 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:29:06,265 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:29:06,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i Unable to find full path for "g++" [2024-11-08 22:29:08,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:29:09,241 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:29:09,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2024-11-08 22:29:09,295 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data/f73d7e26a/5ae4526f0a2a4351bbb41c5578b6c9fc/FLAGa4b00e31d [2024-11-08 22:29:09,319 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data/f73d7e26a/5ae4526f0a2a4351bbb41c5578b6c9fc [2024-11-08 22:29:09,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:29:09,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:29:09,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:09,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:29:09,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:29:09,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:09" (1/1) ... [2024-11-08 22:29:09,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8ca751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:09, skipping insertion in model container [2024-11-08 22:29:09,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:09" (1/1) ... [2024-11-08 22:29:09,432 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:29:10,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:10,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:29:10,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:11,181 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:29:11,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11 WrapperNode [2024-11-08 22:29:11,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:11,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:11,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:29:11,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:29:11,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,260 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 137 [2024-11-08 22:29:11,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:11,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:29:11,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:29:11,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:29:11,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,283 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,293 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,297 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:29:11,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:29:11,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:29:11,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:29:11,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:11" (1/1) ... [2024-11-08 22:29:11,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:11,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:29:11,358 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:29:11,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:29:11,419 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:29:11,420 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:29:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:29:11,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:29:11,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:29:11,669 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:29:11,672 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:29:12,057 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-08 22:29:12,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:29:12,329 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:29:12,329 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:29:12,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:12 BoogieIcfgContainer [2024-11-08 22:29:12,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:29:12,331 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:29:12,331 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:29:12,344 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:29:12,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:12" (1/1) ... [2024-11-08 22:29:12,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:29:12,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:29:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:29:12,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:29:12,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:12,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:29:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:12,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:13,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:13,129 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:29:13,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:29:13 ImpRootNode [2024-11-08 22:29:13,180 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:29:13,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:29:13,184 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:29:13,184 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:29:13,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:12" (3/4) ... [2024-11-08 22:29:13,188 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:29:13,190 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:29:13,192 INFO L158 Benchmark]: Toolchain (without parser) took 3863.93ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 125.4MB in the end (delta: 8.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-08 22:29:13,194 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:13,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1852.27ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 133.7MB in the end (delta: 183.7kB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 22:29:13,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.89ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 130.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:29:13,198 INFO L158 Benchmark]: Boogie Preprocessor took 38.42ms. Allocated memory is still 180.4MB. Free memory was 130.3MB in the beginning and 129.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:13,198 INFO L158 Benchmark]: RCFGBuilder took 1029.16ms. Allocated memory is still 180.4MB. Free memory was 128.2MB in the beginning and 89.6MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 22:29:13,200 INFO L158 Benchmark]: CodeCheck took 848.70ms. Allocated memory is still 180.4MB. Free memory was 89.2MB in the beginning and 126.5MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:13,201 INFO L158 Benchmark]: Witness Printer took 10.25ms. Allocated memory is still 180.4MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:29:13,206 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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: 1566]: 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 1578, overapproximation of bitwiseOr at line 1555. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) 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] [L1563] case 7: 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] [L1566] data * 2 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 0.57ms. Allocated memory is still 134.2MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1852.27ms. Allocated memory is still 180.4MB. Free memory was 133.9MB in the beginning and 133.7MB in the end (delta: 183.7kB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.89ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 130.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.42ms. Allocated memory is still 180.4MB. Free memory was 130.3MB in the beginning and 129.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1029.16ms. Allocated memory is still 180.4MB. Free memory was 128.2MB in the beginning and 89.6MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 848.70ms. Allocated memory is still 180.4MB. Free memory was 89.2MB in the beginning and 126.5MB in the end (delta: -37.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.25ms. Allocated memory is still 180.4MB. Free memory was 126.5MB in the beginning and 125.4MB in the end (delta: 1.1MB). 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 22:29:13,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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 cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:29:16,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:29:16,355 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:29:16,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:29:16,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:29:16,399 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:29:16,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:29:16,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:29:16,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:29:16,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:29:16,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:29:16,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:29:16,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:29:16,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:29:16,405 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:29:16,405 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:29:16,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:29:16,407 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:29:16,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:29:16,408 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:29:16,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:29:16,409 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:29:16,410 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:29:16,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:29:16,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:29:16,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:16,412 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:29:16,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:29:16,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:16,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:29:16,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:29:16,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:29:16,415 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:29:16,416 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:16,416 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:29:16,416 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_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd252ccdd33cb28a72311bc5806e71daa7097df1d938c60a8b8ba00de5c4a768 [2024-11-08 22:29:16,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:29:16,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:29:16,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:29:17,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:29:17,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:29:17,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i Unable to find full path for "g++" [2024-11-08 22:29:19,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:29:19,942 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:29:19,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_15_bad.i [2024-11-08 22:29:19,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data/e1f9cb264/da50384a35d34374b8a049e4dc99c047/FLAG400f787ea [2024-11-08 22:29:20,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/data/e1f9cb264/da50384a35d34374b8a049e4dc99c047 [2024-11-08 22:29:20,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:29:20,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:29:20,026 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:20,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:29:20,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:29:20,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:20" (1/1) ... [2024-11-08 22:29:20,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ec07dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:20, skipping insertion in model container [2024-11-08 22:29:20,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:29:20" (1/1) ... [2024-11-08 22:29:20,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:29:21,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:21,440 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:29:21,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:29:21,904 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:29:21,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21 WrapperNode [2024-11-08 22:29:21,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:29:21,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:21,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:29:21,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:29:21,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:21,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,024 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93 [2024-11-08 22:29:22,027 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:29:22,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:29:22,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:29:22,029 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:29:22,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,072 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:29:22,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:29:22,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:29:22,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:29:22,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:29:21" (1/1) ... [2024-11-08 22:29:22,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:29:22,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:29:22,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:29:22,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:29:22,188 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:29:22,188 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:29:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:29:22,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:29:22,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:29:22,420 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:29:22,424 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:29:22,717 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-08 22:29:22,718 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:29:22,845 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:29:22,845 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:29:22,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:22 BoogieIcfgContainer [2024-11-08 22:29:22,846 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:29:22,847 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:29:22,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:29:22,861 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:29:22,861 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:22" (1/1) ... [2024-11-08 22:29:22,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:29:22,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:29:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2024-11-08 22:29:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-08 22:29:22,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:29:22,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:29:22,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:29:22,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:29:22,973 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:29:22,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:29:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:23,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:23,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:23,582 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:29:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:29:23,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:29:23,700 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:29:23,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:29:23 ImpRootNode [2024-11-08 22:29:23,746 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:29:23,747 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:29:23,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:29:23,748 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:29:23,750 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:29:22" (3/4) ... [2024-11-08 22:29:23,754 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:29:23,756 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:29:23,757 INFO L158 Benchmark]: Toolchain (without parser) took 3732.79ms. Allocated memory was 71.3MB in the beginning and 119.5MB in the end (delta: 48.2MB). Free memory was 43.5MB in the beginning and 79.8MB in the end (delta: -36.4MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-08 22:29:23,758 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:23,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1879.20ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 46.6MB in the end (delta: -3.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2024-11-08 22:29:23,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.97ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 43.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:29:23,761 INFO L158 Benchmark]: Boogie Preprocessor took 67.72ms. Allocated memory is still 90.2MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:29:23,761 INFO L158 Benchmark]: RCFGBuilder took 749.92ms. Allocated memory is still 90.2MB. Free memory was 41.5MB in the beginning and 44.7MB in the end (delta: -3.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-08 22:29:23,762 INFO L158 Benchmark]: CodeCheck took 899.08ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 44.7MB in the beginning and 80.5MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:23,764 INFO L158 Benchmark]: Witness Printer took 8.90ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 614.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:29:23,771 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 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: 1566]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_multiply_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] data * 2 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 71.3MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1879.20ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.3MB in the beginning and 46.6MB in the end (delta: -3.3MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.97ms. Allocated memory is still 90.2MB. Free memory was 46.6MB in the beginning and 43.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.72ms. Allocated memory is still 90.2MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.92ms. Allocated memory is still 90.2MB. Free memory was 41.5MB in the beginning and 44.7MB in the end (delta: -3.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * CodeCheck took 899.08ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 44.7MB in the beginning and 80.5MB in the end (delta: -35.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.90ms. Allocated memory is still 119.5MB. Free memory was 80.5MB in the beginning and 79.8MB in the end (delta: 614.9kB). 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 22:29:23,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd1fbc29-bc62-4176-8fe8-7f405c8e55ef/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