./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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 05adc65923fd88a9eb67104c671858c9d88a49564df6a8de4a7d0f9baca1a937 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:23,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:23,783 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:44:23,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:44:23,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:44:23,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:23,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:23,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:23,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:23,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:23,848 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:23,848 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:23,849 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:44:23,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:23,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:23,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:23,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:23,852 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:44:23,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:44:23,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:23,853 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:23,854 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:23,854 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:23,855 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:23,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:23,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:23,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:23,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:23,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:23,858 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:44:23,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:44:23,859 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:23,860 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_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05adc65923fd88a9eb67104c671858c9d88a49564df6a8de4a7d0f9baca1a937 [2023-11-19 02:44:24,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:24,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:24,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:24,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:24,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:24,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_bad.i [2023-11-19 02:44:27,326 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:27,813 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:27,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_bad.i [2023-11-19 02:44:27,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data/ccc1e6b64/317b9f2101b949d192cf6c088682466b/FLAG22e2723e0 [2023-11-19 02:44:27,858 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data/ccc1e6b64/317b9f2101b949d192cf6c088682466b [2023-11-19 02:44:27,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:27,863 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:27,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:27,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:27,872 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:27,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:27" (1/1) ... [2023-11-19 02:44:27,874 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c7f7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:27, skipping insertion in model container [2023-11-19 02:44:27,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:27" (1/1) ... [2023-11-19 02:44:27,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:28,417 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:44:29,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:29,313 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:29,333 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:44:29,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:29,524 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:29,524 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:29,525 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:29,525 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:29,525 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:29,533 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:29,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29 WrapperNode [2023-11-19 02:44:29,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:29,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:29,536 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:29,536 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:29,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,612 INFO L138 Inliner]: procedures = 499, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-19 02:44:29,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:29,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:29,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:29,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:29,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:29,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:29,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:29,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:29,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:29" (1/1) ... [2023-11-19 02:44:29,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:29,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:29,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:29,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:44:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:44:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:29,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:29,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:44:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:44:29,933 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:29,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:30,138 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:30,416 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:30,416 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:44:30,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:30 BoogieIcfgContainer [2023-11-19 02:44:30,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:30,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:30,423 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:30,434 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:30,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:30" (1/1) ... [2023-11-19 02:44:30,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:30,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:44:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:44:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:44:30,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:30,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:44:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:30,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:44:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:31,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:44:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:31,157 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:44:31,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated [2023-11-19 02:44:31,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:44:31 ImpRootNode [2023-11-19 02:44:31,213 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:44:31,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:44:31,217 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:44:31,218 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:44:31,218 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:30" (3/4) ... [2023-11-19 02:44:31,222 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:44:31,223 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:44:31,224 INFO L158 Benchmark]: Toolchain (without parser) took 3360.58ms. Allocated memory is still 136.3MB. Free memory was 94.7MB in the beginning and 76.4MB in the end (delta: 18.2MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-19 02:44:31,225 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:31,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1669.43ms. Allocated memory is still 136.3MB. Free memory was 94.7MB in the beginning and 101.1MB in the end (delta: -6.4MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. [2023-11-19 02:44:31,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.62ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 98.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:44:31,228 INFO L158 Benchmark]: Boogie Preprocessor took 35.28ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:31,228 INFO L158 Benchmark]: RCFGBuilder took 771.87ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 59.7MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 02:44:31,229 INFO L158 Benchmark]: CodeCheck took 790.74ms. Allocated memory is still 136.3MB. Free memory was 59.7MB in the beginning and 76.4MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:31,229 INFO L158 Benchmark]: Witness Printer took 6.80ms. Allocated memory is still 136.3MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:31,233 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: 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); [L1562] 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) [L1562] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:14}, argv={13:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] CALL CWE191_Integer_Underflow__int_rand_postdec_01_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] data-- 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 0.40ms. Allocated memory is still 104.9MB. Free memory is still 79.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1669.43ms. Allocated memory is still 136.3MB. Free memory was 94.7MB in the beginning and 101.1MB in the end (delta: -6.4MB). Peak memory consumption was 65.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.62ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 98.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.28ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 96.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 771.87ms. Allocated memory is still 136.3MB. Free memory was 96.9MB in the beginning and 59.7MB in the end (delta: 37.2MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 790.74ms. Allocated memory is still 136.3MB. Free memory was 59.7MB in the beginning and 76.4MB in the end (delta: -16.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.80ms. Allocated memory is still 136.3MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:44:31,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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 05adc65923fd88a9eb67104c671858c9d88a49564df6a8de4a7d0f9baca1a937 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:44:34,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:44:34,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:44:34,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:44:34,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:44:34,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:44:34,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:44:34,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:44:34,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:44:34,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:44:34,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:44:34,228 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:44:34,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:44:34,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:44:34,230 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:44:34,231 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:44:34,231 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:44:34,231 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:44:34,232 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:44:34,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:44:34,233 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:44:34,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:44:34,234 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:44:34,235 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:44:34,235 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:34,236 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:44:34,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:44:34,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:34,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:44:34,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:44:34,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:44:34,239 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:44:34,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:34,239 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:44:34,240 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:44:34,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:44:34,240 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_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05adc65923fd88a9eb67104c671858c9d88a49564df6a8de4a7d0f9baca1a937 [2023-11-19 02:44:34,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:44:34,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:44:34,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:44:34,728 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:44:34,728 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:44:34,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_bad.i [2023-11-19 02:44:37,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:44:38,333 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:44:38,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_01_bad.i [2023-11-19 02:44:38,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data/c2ae5d890/377a0f1fa1de4c389101dfd24570855b/FLAG655760b3a [2023-11-19 02:44:38,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/data/c2ae5d890/377a0f1fa1de4c389101dfd24570855b [2023-11-19 02:44:38,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:44:38,397 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:44:38,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:38,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:44:38,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:44:38,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:38" (1/1) ... [2023-11-19 02:44:38,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9dbd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:38, skipping insertion in model container [2023-11-19 02:44:38,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:44:38" (1/1) ... [2023-11-19 02:44:38,509 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:44:38,923 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:44:39,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:39,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:44:39,589 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:44:39,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:44:39,843 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:39,843 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:39,844 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:39,844 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:39,844 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:44:39,852 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:44:39,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39 WrapperNode [2023-11-19 02:44:39,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:44:39,854 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:39,854 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:44:39,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:44:39,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,927 INFO L138 Inliner]: procedures = 504, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2023-11-19 02:44:39,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:44:39,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:44:39,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:44:39,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:44:39,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,971 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:39,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:40,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:40,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:44:40,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:44:40,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:44:40,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:44:40,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:44:39" (1/1) ... [2023-11-19 02:44:40,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:44:40,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:44:40,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:44:40,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:44:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:44:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:44:40,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:44:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:44:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:44:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:44:40,100 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:44:40,266 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:44:40,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:44:40,430 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:44:40,567 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:44:40,570 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:44:40,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:40 BoogieIcfgContainer [2023-11-19 02:44:40,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:44:40,578 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:44:40,578 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:44:40,589 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:44:40,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:40" (1/1) ... [2023-11-19 02:44:40,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:44:40,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:44:40,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 02:44:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 02:44:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:44:40,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:44:40,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:44:40,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:44:40,689 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:44:40,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:44:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:40,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:44:41,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:41,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:44:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:44:41,144 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:44:41,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:44:41,152 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:44:41,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-19 02:44:41,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:44:41 ImpRootNode [2023-11-19 02:44:41,188 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:44:41,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:44:41,191 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:44:41,191 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:44:41,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:44:40" (3/4) ... [2023-11-19 02:44:41,193 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:44:41,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-11-19 02:44:41,273 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:44:41,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:44:41,274 INFO L158 Benchmark]: Toolchain (without parser) took 2876.87ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 60.4MB in the end (delta: 20.8MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-11-19 02:44:41,275 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 77.6MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:44:41,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1452.72ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 71.6MB in the end (delta: 9.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-19 02:44:41,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.95ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 68.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:41,278 INFO L158 Benchmark]: Boogie Preprocessor took 78.07ms. Allocated memory is still 109.1MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:41,278 INFO L158 Benchmark]: RCFGBuilder took 569.15ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 77.8MB in the end (delta: -11.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-19 02:44:41,279 INFO L158 Benchmark]: CodeCheck took 610.51ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 62.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:44:41,279 INFO L158 Benchmark]: Witness Printer took 83.10ms. Allocated memory is still 109.1MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:44:41,287 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 - CounterExampleResult [Line: 1554]: 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); [L1562] 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) [L1562] 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] [L1563] CALL CWE191_Integer_Underflow__int_rand_postdec_01_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] data-- 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 0.91ms. Allocated memory is still 77.6MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1452.72ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 71.6MB in the end (delta: 9.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.95ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 68.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.07ms. Allocated memory is still 109.1MB. Free memory was 68.0MB in the beginning and 66.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.15ms. Allocated memory is still 109.1MB. Free memory was 66.5MB in the beginning and 77.8MB in the end (delta: -11.4MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * CodeCheck took 610.51ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 62.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 83.10ms. Allocated memory is still 109.1MB. Free memory was 62.5MB in the beginning and 60.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:44:41,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a9f8581-54eb-445f-9d89-0f46cdb9ee6a/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)