./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_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_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/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_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/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_78569d73-8d86-48c6-bc72-ae6835700908/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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:36:35,695 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:36:35,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:36:35,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:36:35,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:36:35,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:36:35,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:36:35,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:36:35,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:36:35,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:36:35,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:36:35,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:36:35,828 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:36:35,828 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:36:35,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:36:35,829 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:36:35,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:36:35,830 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:36:35,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:36:35,830 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:36:35,831 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:36:35,831 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:36:35,832 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:36:35,832 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:36:35,832 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:36:35,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:36:35,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:35,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:36:35,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:36:35,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:36:35,837 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:36:35,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:36:35,838 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_78569d73-8d86-48c6-bc72-ae6835700908/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2024-11-08 19:36:36,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:36:36,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:36:36,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:36:36,198 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:36:36,199 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:36:36,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i Unable to find full path for "g++" [2024-11-08 19:36:38,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:36:38,615 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:36:38,617 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2024-11-08 19:36:38,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data/a395c626a/23c48fd8cd0e437ab7f9adf642694c6f/FLAG6e48a10c9 [2024-11-08 19:36:38,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data/a395c626a/23c48fd8cd0e437ab7f9adf642694c6f [2024-11-08 19:36:38,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:36:38,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:36:38,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:38,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:36:38,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:36:38,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:38" (1/1) ... [2024-11-08 19:36:38,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eef8cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:38, skipping insertion in model container [2024-11-08 19:36:38,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:38" (1/1) ... [2024-11-08 19:36:38,900 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:36:39,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:39,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:36:40,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:40,304 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:36:40,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40 WrapperNode [2024-11-08 19:36:40,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:40,307 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:40,307 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:36:40,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:36:40,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,380 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-08 19:36:40,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:40,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:36:40,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:36:40,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:36:40,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,399 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,406 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,409 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,410 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,414 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:36:40,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:36:40,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:36:40,416 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:36:40,417 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:40" (1/1) ... [2024-11-08 19:36:40,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:40,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:36:40,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:36:40,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:36:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:36:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:36:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:36:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:36:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:36:40,739 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:36:40,741 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:36:41,018 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-08 19:36:41,018 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:36:41,317 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:36:41,317 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:36:41,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:41 BoogieIcfgContainer [2024-11-08 19:36:41,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:36:41,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:36:41,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:36:41,331 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:36:41,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:41" (1/1) ... [2024-11-08 19:36:41,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:36:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:36:41,397 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:36:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:36:41,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:41,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:36:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:41,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:41,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:41,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:42,018 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:36:42,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:36:42 ImpRootNode [2024-11-08 19:36:42,052 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:36:42,054 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:36:42,054 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:36:42,055 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:36:42,055 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:41" (3/4) ... [2024-11-08 19:36:42,060 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:36:42,061 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:36:42,062 INFO L158 Benchmark]: Toolchain (without parser) took 3239.45ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 109.2MB in the beginning and 148.3MB in the end (delta: -39.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-08 19:36:42,063 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 122.4MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:42,064 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1481.81ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 108.6MB in the beginning and 156.9MB in the end (delta: -48.3MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2024-11-08 19:36:42,064 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.71ms. Allocated memory is still 199.2MB. Free memory was 156.9MB in the beginning and 153.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:36:42,065 INFO L158 Benchmark]: Boogie Preprocessor took 33.31ms. Allocated memory is still 199.2MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:36:42,068 INFO L158 Benchmark]: RCFGBuilder took 902.66ms. Allocated memory is still 199.2MB. Free memory was 151.6MB in the beginning and 113.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 19:36:42,069 INFO L158 Benchmark]: CodeCheck took 733.12ms. Allocated memory is still 199.2MB. Free memory was 112.8MB in the beginning and 148.3MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:42,070 INFO L158 Benchmark]: Witness Printer took 7.27ms. Allocated memory is still 199.2MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:42,075 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: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565, overapproximation of bitwiseOr at line 1552. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory was 122.6MB in the beginning and 122.4MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1481.81ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 108.6MB in the beginning and 156.9MB in the end (delta: -48.3MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.71ms. Allocated memory is still 199.2MB. Free memory was 156.9MB in the beginning and 153.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.31ms. Allocated memory is still 199.2MB. Free memory was 153.7MB in the beginning and 151.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.66ms. Allocated memory is still 199.2MB. Free memory was 151.6MB in the beginning and 113.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 733.12ms. Allocated memory is still 199.2MB. Free memory was 112.8MB in the beginning and 148.3MB in the end (delta: -35.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.27ms. Allocated memory is still 199.2MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:36:42,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/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_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/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_78569d73-8d86-48c6-bc72-ae6835700908/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 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:36:44,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:36:44,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:36:44,775 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:36:44,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:36:44,776 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:36:44,777 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:36:44,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:36:44,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:36:44,778 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:36:44,779 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:36:44,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:36:44,780 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:36:44,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:36:44,785 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:36:44,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:36:44,786 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:36:44,786 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:36:44,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:36:44,787 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:36:44,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:36:44,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:36:44,789 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:36:44,790 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:36:44,790 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:36:44,792 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:44,792 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:36:44,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:36:44,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:44,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:36:44,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:36:44,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:36:44,795 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:36:44,795 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:44,796 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:36:44,797 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_78569d73-8d86-48c6-bc72-ae6835700908/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9afc5780e8a4b9f0ff37d4e977f12ee8b12977c04701e0eedbb9c1647d0234 [2024-11-08 19:36:45,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:36:45,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:36:45,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:36:45,270 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:36:45,271 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:36:45,272 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i Unable to find full path for "g++" [2024-11-08 19:36:47,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:36:47,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:36:47,870 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_31_bad.i [2024-11-08 19:36:47,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data/e24b8ff77/77162b9b60a74444ab000763b3a71620/FLAGc1f7ad281 [2024-11-08 19:36:47,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/data/e24b8ff77/77162b9b60a74444ab000763b3a71620 [2024-11-08 19:36:47,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:36:47,927 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:36:47,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:47,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:36:47,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:36:47,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:47" (1/1) ... [2024-11-08 19:36:47,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be41674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:47, skipping insertion in model container [2024-11-08 19:36:47,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:36:47" (1/1) ... [2024-11-08 19:36:48,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:36:49,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:49,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:36:49,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:36:49,547 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:36:49,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49 WrapperNode [2024-11-08 19:36:49,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:36:49,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:49,552 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:36:49,553 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:36:49,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,658 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-08 19:36:49,659 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:36:49,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:36:49,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:36:49,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:36:49,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,675 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:36:49,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:36:49,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:36:49,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:36:49,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:36:49" (1/1) ... [2024-11-08 19:36:49,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:36:49,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:36:49,752 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:36:49,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:36:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:36:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:36:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:36:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:36:49,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:36:49,962 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:36:49,964 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:36:50,127 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-08 19:36:50,127 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:36:50,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:36:50,197 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:36:50,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:50 BoogieIcfgContainer [2024-11-08 19:36:50,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:36:50,199 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:36:50,199 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:36:50,210 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:36:50,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:50" (1/1) ... [2024-11-08 19:36:50,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:36:50,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:36:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:36:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:36:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:36:50,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:36:50,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:36:50,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:36:50,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:36:50,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:36:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:50,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:50,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:36:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:36:50,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:36:50,737 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:36:50,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:36:50 ImpRootNode [2024-11-08 19:36:50,798 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:36:50,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:36:50,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:36:50,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:36:50,801 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:36:50" (3/4) ... [2024-11-08 19:36:50,804 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:36:50,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:36:50,807 INFO L158 Benchmark]: Toolchain (without parser) took 2879.42ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 58.6MB in the beginning and 83.0MB in the end (delta: -24.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-11-08 19:36:50,809 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:50,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1618.61ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 58.4MB in the beginning and 57.7MB in the end (delta: 664.2kB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 19:36:50,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.11ms. Allocated memory is still 113.2MB. Free memory was 57.7MB in the beginning and 84.5MB in the end (delta: -26.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-08 19:36:50,811 INFO L158 Benchmark]: Boogie Preprocessor took 49.19ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:36:50,812 INFO L158 Benchmark]: RCFGBuilder took 487.31ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 64.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:36:50,813 INFO L158 Benchmark]: CodeCheck took 599.08ms. Allocated memory is still 113.2MB. Free memory was 64.2MB in the beginning and 83.0MB in the end (delta: -18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 19:36:50,814 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 83.0MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:36:50,818 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1557]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1565. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_rand_sub_31_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [L1557] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1618.61ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 58.4MB in the beginning and 57.7MB in the end (delta: 664.2kB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.11ms. Allocated memory is still 113.2MB. Free memory was 57.7MB in the beginning and 84.5MB in the end (delta: -26.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.19ms. Allocated memory is still 113.2MB. Free memory was 84.5MB in the beginning and 82.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.31ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 64.2MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 599.08ms. Allocated memory is still 113.2MB. Free memory was 64.2MB in the beginning and 83.0MB in the end (delta: -18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 113.2MB. Free memory was 83.0MB in the beginning and 83.0MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:36:50,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78569d73-8d86-48c6-bc72-ae6835700908/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