./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9 --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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:15:08,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:15:08,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:15:08,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:15:08,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:15:08,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:15:08,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:15:08,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:15:08,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:15:08,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:15:08,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:15:08,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:15:08,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:15:08,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:15:08,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:15:08,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:15:08,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:15:08,969 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:15:08,970 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:15:08,970 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:15:08,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:15:08,971 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:15:08,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:15:08,972 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:15:08,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:15:08,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:15:08,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:15:08,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:15:08,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:15:08,975 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:15:08,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:15:08,976 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:15:08,976 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_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2023-12-02 23:15:09,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:15:09,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:15:09,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:15:09,209 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:15:09,209 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:15:09,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2023-12-02 23:15:11,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:15:12,232 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:15:12,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2023-12-02 23:15:12,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data/9537720ae/1a6aae070d7749048f49c02ce98d2e0b/FLAGdaf408ba3 [2023-12-02 23:15:12,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data/9537720ae/1a6aae070d7749048f49c02ce98d2e0b [2023-12-02 23:15:12,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:15:12,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:15:12,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:15:12,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:15:12,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:15:12,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:15:12" (1/1) ... [2023-12-02 23:15:12,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333c2a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:12, skipping insertion in model container [2023-12-02 23:15:12,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:15:12" (1/1) ... [2023-12-02 23:15:12,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:15:13,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:15:13,087 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:15:13,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:15:13,280 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:13,281 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:13,281 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:13,281 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:13,289 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:15:13,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13 WrapperNode [2023-12-02 23:15:13,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:15:13,291 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:15:13,291 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:15:13,291 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:15:13,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,368 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2023-12-02 23:15:13,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:15:13,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:15:13,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:15:13,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:15:13,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:15:13,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:15:13,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:15:13,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:15:13,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:15:13,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:15:13,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:15:13,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:15:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:15:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:15:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:15:13,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:15:13,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:15:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:15:13,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:15:13,580 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:15:13,582 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:15:13,730 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:15:13,921 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:15:13,921 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:15:13,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:13 BoogieIcfgContainer [2023-12-02 23:15:13,923 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:15:13,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:15:13,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:15:13,934 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:15:13,934 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:13" (1/1) ... [2023-12-02 23:15:13,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:15:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:13,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:15:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:15:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:15:14,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:14,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:15:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:14,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:15:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:14,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:15:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:14,487 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:15:14,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet112 [2023-12-02 23:15:14,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated [2023-12-02 23:15:14,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated [2023-12-02 23:15:14,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:15:14 ImpRootNode [2023-12-02 23:15:14,516 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:15:14,517 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:15:14,517 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:15:14,517 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:15:14,518 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:13" (3/4) ... [2023-12-02 23:15:14,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:15:14,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:15:14,522 INFO L158 Benchmark]: Toolchain (without parser) took 2247.95ms. Allocated memory is still 155.2MB. Free memory was 123.2MB in the beginning and 91.5MB in the end (delta: 31.7MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-12-02 23:15:14,522 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:15:14,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1015.29ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 116.1MB in the end (delta: 6.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2023-12-02 23:15:14,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.47ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 112.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:15:14,524 INFO L158 Benchmark]: Boogie Preprocessor took 25.34ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 111.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:15:14,525 INFO L158 Benchmark]: RCFGBuilder took 528.16ms. Allocated memory is still 155.2MB. Free memory was 111.3MB in the beginning and 70.0MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 23:15:14,525 INFO L158 Benchmark]: CodeCheck took 592.44ms. Allocated memory is still 155.2MB. Free memory was 70.0MB in the beginning and 92.5MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:15:14,526 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 91.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:15:14,530 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 [L1560] 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 0.20ms. Allocated memory is still 115.3MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1015.29ms. Allocated memory is still 155.2MB. Free memory was 122.7MB in the beginning and 116.1MB in the end (delta: 6.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.47ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 112.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.34ms. Allocated memory is still 155.2MB. Free memory was 112.6MB in the beginning and 111.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 528.16ms. Allocated memory is still 155.2MB. Free memory was 111.3MB in the beginning and 70.0MB in the end (delta: 41.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 592.44ms. Allocated memory is still 155.2MB. Free memory was 70.0MB in the beginning and 92.5MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 155.2MB. Free memory was 92.5MB in the beginning and 91.5MB in the end (delta: 1.0MB). 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: unknown boogie variable #t~nondet112 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post110 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite109 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 [2023-12-02 23:15:14,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9 --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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:15:16,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:15:16,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:15:16,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:15:16,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:15:16,663 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:15:16,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:15:16,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:15:16,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:15:16,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:15:16,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:15:16,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:15:16,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:15:16,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:15:16,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:15:16,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:15:16,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:15:16,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:15:16,671 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:15:16,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:15:16,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:15:16,674 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:15:16,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:15:16,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:15:16,675 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:16,676 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:15:16,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:15:16,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:15:16,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:15:16,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:15:16,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:15:16,678 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:15:16,679 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:16,679 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:15:16,679 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:15:16,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:15:16,680 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_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2023-12-02 23:15:16,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:15:16,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:15:16,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:15:16,985 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:15:16,986 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:15:16,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2023-12-02 23:15:19,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:15:20,089 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:15:20,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2023-12-02 23:15:20,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data/42eda1527/fb4a30d3c16f4c54a72bbbe03a1c9388/FLAG3ede58795 [2023-12-02 23:15:20,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/data/42eda1527/fb4a30d3c16f4c54a72bbbe03a1c9388 [2023-12-02 23:15:20,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:15:20,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:15:20,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:15:20,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:15:20,140 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:15:20,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:15:20" (1/1) ... [2023-12-02 23:15:20,143 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be8e570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:20, skipping insertion in model container [2023-12-02 23:15:20,143 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:15:20" (1/1) ... [2023-12-02 23:15:20,201 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:15:21,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:15:21,022 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:15:21,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:15:21,262 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:21,262 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:21,262 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:21,262 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:15:21,270 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:15:21,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21 WrapperNode [2023-12-02 23:15:21,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:15:21,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:15:21,272 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:15:21,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:15:21,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,330 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-12-02 23:15:21,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:15:21,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:15:21,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:15:21,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:15:21,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,368 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:15:21,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:15:21,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:15:21,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:15:21,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:15:21,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:15:21,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:15:21,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:15:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:15:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:15:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:15:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:15:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:15:21,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:15:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:15:21,595 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:15:21,598 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:15:21,718 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:15:21,781 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:15:21,781 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 23:15:21,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:21 BoogieIcfgContainer [2023-12-02 23:15:21,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:15:21,783 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:15:21,783 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:15:21,791 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:15:21,791 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:21" (1/1) ... [2023-12-02 23:15:21,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:15:21,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:15:21,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-02 23:15:21,858 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-02 23:15:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:15:21,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:15:21,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:15:21,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:15:21,864 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:15:21,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:15:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:22,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:15:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:22,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:15:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:15:22,242 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:15:22,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:15:22,251 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 23:15:22,273 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-12-02 23:15:22,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated [2023-12-02 23:15:22,279 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-12-02 23:15:22,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:15:22 ImpRootNode [2023-12-02 23:15:22,283 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:15:22,284 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:15:22,284 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:15:22,284 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:15:22,285 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:15:21" (3/4) ... [2023-12-02 23:15:22,287 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:15:22,288 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:15:22,289 INFO L158 Benchmark]: Toolchain (without parser) took 2155.27ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 48.3MB in the end (delta: 14.9MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,289 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:15:22,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1136.32ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 56.8MB in the end (delta: 6.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.24ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 53.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,291 INFO L158 Benchmark]: Boogie Preprocessor took 37.51ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 51.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,292 INFO L158 Benchmark]: RCFGBuilder took 413.27ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 33.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 23:15:22,292 INFO L158 Benchmark]: CodeCheck took 500.37ms. Allocated memory is still 90.2MB. Free memory was 33.2MB in the beginning and 48.9MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:15:22,293 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 90.2MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:15:22,296 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. 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); [L1570] 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) [L1570] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 [L1560] 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 0.18ms. Allocated memory is still 67.1MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1136.32ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 56.8MB in the end (delta: 6.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.24ms. Allocated memory is still 90.2MB. Free memory was 56.8MB in the beginning and 53.6MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.51ms. Allocated memory is still 90.2MB. Free memory was 53.6MB in the beginning and 51.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.27ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 33.2MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 500.37ms. Allocated memory is still 90.2MB. Free memory was 33.2MB in the beginning and 48.9MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 90.2MB. Free memory was 48.3MB in the beginning and 48.3MB in the end (delta: 2.6kB). 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: unknown boogie variable #t~nondet106 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated - 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 could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:15:22,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b332b6-a2ee-4f07-84aa-728598a1d390/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample