./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL --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 f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:31,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:31,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:01:31,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:31,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:31,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:31,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:31,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:31,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:31,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:31,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:31,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:31,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:31,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:31,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:31,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:31,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:31,665 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:31,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:31,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:31,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:31,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:31,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:31,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:31,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:31,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:31,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:31,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:31,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:31,671 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:31,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:31,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:31,672 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_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 [2023-11-19 04:01:31,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:31,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:31,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:31,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:31,981 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:31,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2023-11-19 04:01:35,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:35,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:35,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2023-11-19 04:01:35,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data/408b9c653/5373bfd859284998805501ac9ccc86f6/FLAGce72eec28 [2023-11-19 04:01:35,644 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data/408b9c653/5373bfd859284998805501ac9ccc86f6 [2023-11-19 04:01:35,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:35,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:35,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:35,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:35,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:35,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:35" (1/1) ... [2023-11-19 04:01:35,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320bf451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:35, skipping insertion in model container [2023-11-19 04:01:35,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:35" (1/1) ... [2023-11-19 04:01:35,717 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:36,154 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:36,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:36,726 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:36,764 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:36,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:36,964 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,965 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,965 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,965 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,965 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:36,972 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:36,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36 WrapperNode [2023-11-19 04:01:36,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:36,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:36,974 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:36,974 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:36,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,050 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2023-11-19 04:01:37,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:37,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:37,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:37,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:37,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,090 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,093 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:37,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:37,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:37,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:37,099 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:36" (1/1) ... [2023-11-19 04:01:37,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:37,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:37,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:37,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:37,185 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:01:37,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:01:37,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:37,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:01:37,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:37,413 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:37,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:37,762 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:38,052 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:38,052 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:38,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:38 BoogieIcfgContainer [2023-11-19 04:01:38,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:38,058 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:38,058 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:38,069 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:38,069 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:38" (1/1) ... [2023-11-19 04:01:38,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:38,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 04:01:38,130 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 04:01:38,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:01:38,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:38,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:38,432 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:01:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:38,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:01:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:38,815 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:01:38,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:01:38 ImpRootNode [2023-11-19 04:01:38,854 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:01:38,856 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:01:38,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:01:38,858 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:01:38,858 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:38" (3/4) ... [2023-11-19 04:01:38,863 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:01:38,864 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:01:38,865 INFO L158 Benchmark]: Toolchain (without parser) took 3217.08ms. Allocated memory is still 199.2MB. Free memory was 147.3MB in the beginning and 104.2MB in the end (delta: 43.1MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-19 04:01:38,866 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 151.0MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:38,867 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.35ms. Allocated memory is still 199.2MB. Free memory was 146.6MB in the beginning and 87.2MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 04:01:38,868 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.02ms. Allocated memory is still 199.2MB. Free memory was 87.2MB in the beginning and 84.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:01:38,869 INFO L158 Benchmark]: Boogie Preprocessor took 45.77ms. Allocated memory is still 199.2MB. Free memory was 84.4MB in the beginning and 83.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:38,870 INFO L158 Benchmark]: RCFGBuilder took 959.27ms. Allocated memory is still 199.2MB. Free memory was 83.0MB in the beginning and 139.9MB in the end (delta: -56.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-11-19 04:01:38,871 INFO L158 Benchmark]: CodeCheck took 796.20ms. Allocated memory is still 199.2MB. Free memory was 138.8MB in the beginning and 104.2MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 04:01:38,872 INFO L158 Benchmark]: Witness Printer took 7.85ms. Allocated memory is still 199.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:38,882 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, 13 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, 0.1s 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1567] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data - 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 151.0MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.35ms. Allocated memory is still 199.2MB. Free memory was 146.6MB in the beginning and 87.2MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.02ms. Allocated memory is still 199.2MB. Free memory was 87.2MB in the beginning and 84.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.77ms. Allocated memory is still 199.2MB. Free memory was 84.4MB in the beginning and 83.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 959.27ms. Allocated memory is still 199.2MB. Free memory was 83.0MB in the beginning and 139.9MB in the end (delta: -56.9MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. * CodeCheck took 796.20ms. Allocated memory is still 199.2MB. Free memory was 138.8MB in the beginning and 104.2MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 7.85ms. Allocated memory is still 199.2MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:01:38,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/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_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL --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 f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:41,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:41,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 04:01:41,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:41,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:41,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:41,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:41,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:41,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:41,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:41,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:41,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:41,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:41,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:41,872 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:01:41,872 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:01:41,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:41,873 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:01:41,874 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:41,875 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:41,875 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:41,876 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:41,877 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:41,877 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:41,878 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:41,878 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:41,878 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:41,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:41,879 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:41,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:41,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:41,881 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:01:41,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:41,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:41,882 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:01:41,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:01:41,883 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7b10beb0a545a3233e92398efbbdd5ae5428f1e517bc7baa8deae886bc799f2 [2023-11-19 04:01:42,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:42,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:42,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:42,405 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:42,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:42,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2023-11-19 04:01:45,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:46,078 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:46,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_03_bad.i [2023-11-19 04:01:46,114 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data/fed8d4733/f205a2f4ccc84263834c35c47b23a377/FLAGc122a5ee1 [2023-11-19 04:01:46,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/data/fed8d4733/f205a2f4ccc84263834c35c47b23a377 [2023-11-19 04:01:46,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:46,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:46,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:46,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:46,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:46,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3a8b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46, skipping insertion in model container [2023-11-19 04:01:46,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:46,244 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:46,756 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:47,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:47,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:47,598 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:47,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:47,829 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:47,830 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:47,830 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:47,830 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:47,830 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:47,839 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:47,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47 WrapperNode [2023-11-19 04:01:47,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:47,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:47,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:47,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:47,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,914 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-19 04:01:47,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:47,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:47,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:47,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:47,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,932 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,933 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,943 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,945 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:47,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:47,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:47,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:47,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:47,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:47,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:48,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:01:48,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:01:48,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:01:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:01:48,222 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:48,224 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:48,350 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:48,493 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:48,493 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:01:48,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:48 BoogieIcfgContainer [2023-11-19 04:01:48,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:48,499 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:48,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:48,510 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:48,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:48" (1/1) ... [2023-11-19 04:01:48,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-19 04:01:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-19 04:01:48,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:01:48,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:01:48,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:01:48,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:01:48,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:01:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:48,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:01:48,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:49,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:01:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:01:49,067 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:01:49,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:01:49,075 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:01:49,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:01:49 ImpRootNode [2023-11-19 04:01:49,111 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:01:49,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:01:49,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:01:49,113 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:01:49,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:48" (3/4) ... [2023-11-19 04:01:49,115 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:01:49,184 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:01:49,184 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:01:49,185 INFO L158 Benchmark]: Toolchain (without parser) took 3050.94ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 54.7MB in the beginning and 48.3MB in the end (delta: 6.3MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-11-19 04:01:49,186 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:49,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1704.28ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 54.4MB in the beginning and 59.2MB in the end (delta: -4.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-11-19 04:01:49,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.29ms. Allocated memory is still 109.1MB. Free memory was 59.2MB in the beginning and 56.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:49,188 INFO L158 Benchmark]: Boogie Preprocessor took 39.84ms. Allocated memory is still 109.1MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:49,189 INFO L158 Benchmark]: RCFGBuilder took 542.01ms. Allocated memory is still 109.1MB. Free memory was 54.1MB in the beginning and 65.8MB in the end (delta: -11.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-19 04:01:49,189 INFO L158 Benchmark]: CodeCheck took 611.98ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 50.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:01:49,190 INFO L158 Benchmark]: Witness Printer took 71.31ms. Allocated memory is still 109.1MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:49,198 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, 13 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 - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a 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); [L1567] CALL 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, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_rand_sub_03_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] data - 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 57.5MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1704.28ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 54.4MB in the beginning and 59.2MB in the end (delta: -4.8MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.29ms. Allocated memory is still 109.1MB. Free memory was 59.2MB in the beginning and 56.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.84ms. Allocated memory is still 109.1MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 542.01ms. Allocated memory is still 109.1MB. Free memory was 54.1MB in the beginning and 65.8MB in the end (delta: -11.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * CodeCheck took 611.98ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 50.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 71.31ms. Allocated memory is still 109.1MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:01:49,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8493cbe-efd7-4070-9092-5d79ffc2dca3/bin/ukojak-verify-G8NBE6pJGL/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)