./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:55,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:55,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:19:55,391 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:55,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:55,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:55,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:55,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:55,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:55,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:55,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:55,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:55,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:55,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:55,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:55,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:55,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:55,455 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:19:55,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:55,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:55,456 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:55,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:55,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:55,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:55,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:55,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:55,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:55,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:55,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:55,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:55,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:55,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:55,465 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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2023-11-19 03:19:55,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:55,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:55,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:55,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:55,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:55,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2023-11-19 03:19:59,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:59,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:59,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2023-11-19 03:19:59,627 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data/992ad0e55/682c145a43e24df88626a49bd43306bd/FLAG4d13555bd [2023-11-19 03:19:59,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data/992ad0e55/682c145a43e24df88626a49bd43306bd [2023-11-19 03:19:59,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:59,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:59,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:59,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:59,669 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:59,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:59" (1/1) ... [2023-11-19 03:19:59,674 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d254b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:59, skipping insertion in model container [2023-11-19 03:19:59,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:59" (1/1) ... [2023-11-19 03:19:59,749 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:00,207 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:20:00,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:00,821 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:00,844 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:20:00,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:01,199 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:01,200 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:01,200 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:01,200 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:01,200 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:01,208 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:01,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01 WrapperNode [2023-11-19 03:20:01,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:01,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:01,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:01,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:01,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,334 INFO L138 Inliner]: procedures = 500, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 93 [2023-11-19 03:20:01,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:01,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:01,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:01,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:01,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,357 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:01,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:01,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:01,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:01,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:01" (1/1) ... [2023-11-19 03:20:01,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:01,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:01,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:01,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:01,457 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:20:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:20:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:01,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:20:01,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:20:01,604 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:01,606 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:01,820 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:02,111 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:02,112 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:20:02,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:02 BoogieIcfgContainer [2023-11-19 03:20:02,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:02,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:02,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:02,130 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:02,130 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:02" (1/1) ... [2023-11-19 03:20:02,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:20:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 03:20:02,199 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 03:20:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:20:02,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:02,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:20:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:02,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:20:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:02,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:20:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:02,882 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:20:02,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:20:02 ImpRootNode [2023-11-19 03:20:02,922 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:20:02,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:20:02,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:20:02,928 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:20:02,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:02" (3/4) ... [2023-11-19 03:20:02,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:20:02,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:20:02,935 INFO L158 Benchmark]: Toolchain (without parser) took 3277.25ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 81.4MB in the beginning and 80.4MB in the end (delta: 989.4kB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-19 03:20:02,936 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:02,936 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1547.93ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 81.4MB in the beginning and 96.7MB in the end (delta: -15.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-11-19 03:20:02,937 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.50ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 93.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:20:02,938 INFO L158 Benchmark]: Boogie Preprocessor took 46.06ms. Allocated memory is still 161.5MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 967.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:02,938 INFO L158 Benchmark]: RCFGBuilder took 734.06ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 118.2MB in the end (delta: -25.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 03:20:02,939 INFO L158 Benchmark]: CodeCheck took 803.07ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 81.3MB in the end (delta: 35.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:20:02,940 INFO L158 Benchmark]: Witness Printer took 7.85ms. Allocated memory is still 161.5MB. Free memory was 81.3MB in the beginning and 80.4MB in the end (delta: 910.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:02,944 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, 0.1s 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 1550. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 0.28ms. Allocated memory is still 102.8MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1547.93ms. Allocated memory was 130.0MB in the beginning and 161.5MB in the end (delta: 31.5MB). Free memory was 81.4MB in the beginning and 96.7MB in the end (delta: -15.3MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.50ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 93.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.06ms. Allocated memory is still 161.5MB. Free memory was 93.4MB in the beginning and 92.5MB in the end (delta: 967.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 734.06ms. Allocated memory is still 161.5MB. Free memory was 92.5MB in the beginning and 118.2MB in the end (delta: -25.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 803.07ms. Allocated memory is still 161.5MB. Free memory was 117.1MB in the beginning and 81.3MB in the end (delta: 35.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 7.85ms. Allocated memory is still 161.5MB. Free memory was 81.3MB in the beginning and 80.4MB in the end (delta: 910.2kB). 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 03:20:03,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:20:05,829 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:20:05,962 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:20:05,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:20:05,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:20:05,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:20:05,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:20:05,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:20:05,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:20:05,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:20:05,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:20:05,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:20:05,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:20:06,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:20:06,000 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:20:06,001 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:20:06,001 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:20:06,002 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:20:06,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:20:06,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:20:06,004 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:20:06,005 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:20:06,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:20:06,006 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:20:06,006 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:06,007 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:06,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:20:06,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:06,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:20:06,009 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:20:06,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:20:06,010 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:20:06,010 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:06,011 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:20:06,011 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:20:06,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:20:06,011 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_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2023-11-19 03:20:06,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:20:06,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:20:06,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:20:06,447 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:20:06,448 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:20:06,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2023-11-19 03:20:09,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:20:10,151 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:20:10,155 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2023-11-19 03:20:10,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data/5e1c12acf/342e5573c4504c6aa432d0e9bfd0e3f3/FLAGb077b7eb8 [2023-11-19 03:20:10,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/data/5e1c12acf/342e5573c4504c6aa432d0e9bfd0e3f3 [2023-11-19 03:20:10,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:20:10,210 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:20:10,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:10,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:20:10,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:20:10,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:10" (1/1) ... [2023-11-19 03:20:10,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a191a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:10, skipping insertion in model container [2023-11-19 03:20:10,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:20:10" (1/1) ... [2023-11-19 03:20:10,317 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:20:10,885 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:20:11,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:11,696 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:20:11,731 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:20:11,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:20:12,029 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:12,030 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:12,030 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:12,030 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:12,030 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:20:12,039 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:20:12,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12 WrapperNode [2023-11-19 03:20:12,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:20:12,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:12,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:20:12,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:20:12,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,115 INFO L138 Inliner]: procedures = 505, calls = 57, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-19 03:20:12,116 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:20:12,117 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:20:12,117 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:20:12,117 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:20:12,127 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,149 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,151 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:20:12,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:20:12,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:20:12,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:20:12,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:20:12,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:20:12,215 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:20:12,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:20:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:20:12,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:20:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:20:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:20:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:20:12,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:20:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:20:12,424 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:20:12,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:20:12,598 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:20:12,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:20:12,725 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:20:12,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:12 BoogieIcfgContainer [2023-11-19 03:20:12,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:20:12,741 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:20:12,741 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:20:12,750 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:20:12,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:12" (1/1) ... [2023-11-19 03:20:12,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:20:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:20:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 03:20:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 03:20:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:20:12,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:20:12,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:20:12,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:20:12,839 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:20:12,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:20:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:13,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:20:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:13,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:13,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:20:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:20:13,220 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:20:13,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:20:13,231 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:20:13,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:20:13 ImpRootNode [2023-11-19 03:20:13,269 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:20:13,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:20:13,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:20:13,274 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:20:13,275 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:20:12" (3/4) ... [2023-11-19 03:20:13,277 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:20:13,326 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:20:13,327 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:20:13,328 INFO L158 Benchmark]: Toolchain (without parser) took 3117.71ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 50.7MB in the end (delta: -4.7MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-19 03:20:13,328 INFO L158 Benchmark]: CDTParser took 0.73ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:13,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1828.04ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 45.7MB in the beginning and 39.2MB in the end (delta: 6.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-19 03:20:13,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.41ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 62.6MB in the end (delta: -23.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-19 03:20:13,331 INFO L158 Benchmark]: Boogie Preprocessor took 39.31ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 60.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:13,331 INFO L158 Benchmark]: RCFGBuilder took 582.92ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 42.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 03:20:13,332 INFO L158 Benchmark]: CodeCheck took 528.69ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 52.8MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:20:13,333 INFO L158 Benchmark]: Witness Printer took 53.17ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:20:13,338 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: 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [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 0.73ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1828.04ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 45.7MB in the beginning and 39.2MB in the end (delta: 6.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.41ms. Allocated memory is still 92.3MB. Free memory was 39.2MB in the beginning and 62.6MB in the end (delta: -23.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.31ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 60.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.92ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 42.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 528.69ms. Allocated memory is still 92.3MB. Free memory was 42.1MB in the beginning and 52.8MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.17ms. Allocated memory is still 92.3MB. Free memory was 52.8MB in the beginning and 50.7MB 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 03:20:13,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4673e5-69a4-4ebd-91ff-2166dc97e719/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)