./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi --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 a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:53,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:53,674 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:59:53,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:53,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:53,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:53,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:53,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:53,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:53,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:53,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:53,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:53,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:53,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:53,715 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:53,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:53,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:53,717 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:53,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:53,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:53,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:53,720 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:53,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:53,721 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:53,722 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:53,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:53,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:53,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:53,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:53,726 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:53,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:53,727 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:53,728 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_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb [2023-11-24 22:59:53,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:54,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:54,025 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:54,027 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:54,028 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:54,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2023-11-24 22:59:57,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:57,740 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:57,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2023-11-24 22:59:57,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data/c0916ea2a/81310466be104d36a05868e259b00d4f/FLAG1548926fe [2023-11-24 22:59:57,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data/c0916ea2a/81310466be104d36a05868e259b00d4f [2023-11-24 22:59:57,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:57,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:57,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:57,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:57,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:57,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:57" (1/1) ... [2023-11-24 22:59:57,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbd9a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:57, skipping insertion in model container [2023-11-24 22:59:57,813 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:57" (1/1) ... [2023-11-24 22:59:57,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:58,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:58,946 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:59,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:59,246 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:59,247 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:59,248 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:59,248 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:59:59,256 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:59,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59 WrapperNode [2023-11-24 22:59:59,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:59,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:59,259 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:59,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:59,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,338 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2023-11-24 22:59:59,338 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:59,339 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:59,339 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:59,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:59,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,386 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:59,408 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:59,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:59,409 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:59,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:59" (1/1) ... [2023-11-24 22:59:59,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:59,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:59,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:59,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:59:59,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:59:59,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:59:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:59:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:59,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:59:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:59:59,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:59:59,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:59,654 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:59,657 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:59,919 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:00,226 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:00,226 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:00,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:00 BoogieIcfgContainer [2023-11-24 23:00:00,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:00,229 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:00,229 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:00,240 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:00,242 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:00" (1/1) ... [2023-11-24 23:00:00,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:00,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:00:00,337 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:00:00,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:00:00,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:00,753 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:01,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:01,169 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:01,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111 [2023-11-24 23:00:01,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:01 ImpRootNode [2023-11-24 23:00:01,208 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:01,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:01,211 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:01,212 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:01,212 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:00" (3/4) ... [2023-11-24 23:00:01,218 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:01,219 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:01,221 INFO L158 Benchmark]: Toolchain (without parser) took 3422.45ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 90.0MB in the beginning and 100.0MB in the end (delta: -10.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,222 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 140.5MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:01,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1456.02ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 90.0MB in the beginning and 103.3MB in the end (delta: -13.3MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.80ms. Allocated memory is still 178.3MB. Free memory was 103.3MB in the beginning and 100.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,225 INFO L158 Benchmark]: Boogie Preprocessor took 52.64ms. Allocated memory is still 178.3MB. Free memory was 100.1MB in the beginning and 99.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,226 INFO L158 Benchmark]: RCFGBuilder took 820.29ms. Allocated memory is still 178.3MB. Free memory was 99.1MB in the beginning and 60.3MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:01,227 INFO L158 Benchmark]: CodeCheck took 979.73ms. Allocated memory is still 178.3MB. Free memory was 60.3MB in the beginning and 100.8MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:01,228 INFO L158 Benchmark]: Witness Printer took 8.41ms. Allocated memory is still 178.3MB. Free memory was 100.8MB in the beginning and 100.0MB in the end (delta: 759.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:01,237 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: 0.9s, 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: 1569]: 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 1559, overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=36, argc=36, argv={35:37}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={3988:0}, dataVoidPtr={3988:0}, dataVoidPtr={3988:0}, 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 0.34ms. Allocated memory is still 140.5MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1456.02ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 90.0MB in the beginning and 103.3MB in the end (delta: -13.3MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.80ms. Allocated memory is still 178.3MB. Free memory was 103.3MB in the beginning and 100.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.64ms. Allocated memory is still 178.3MB. Free memory was 100.1MB in the beginning and 99.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 820.29ms. Allocated memory is still 178.3MB. Free memory was 99.1MB in the beginning and 60.3MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 979.73ms. Allocated memory is still 178.3MB. Free memory was 60.3MB in the beginning and 100.8MB in the end (delta: -40.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.41ms. Allocated memory is still 178.3MB. Free memory was 100.8MB in the beginning and 100.0MB in the end (delta: 759.8kB). 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~nondet111 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:01,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/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_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi --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 a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:00:03,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:04,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:00:04,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:04,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:04,155 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:04,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:04,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:04,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:04,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:04,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:04,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:04,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:04,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:04,160 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:04,161 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:04,161 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:04,161 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:04,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:04,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:04,163 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:04,164 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:04,164 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:04,165 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:04,165 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:04,166 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:04,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:04,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:04,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:04,167 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:04,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:04,168 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:04,169 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:04,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:04,169 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:04,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:04,170 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_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a940ba7bc377e1e68c2ee3c3fae553e98db874ee2aacbc0ec6a6e66a75c539eb [2023-11-24 23:00:04,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:04,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:04,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:04,553 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:04,556 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:04,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2023-11-24 23:00:07,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:08,034 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:08,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_64_bad.i [2023-11-24 23:00:08,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data/fa1d428d1/3012d30e24eb4330950e99e9a8b89dba/FLAG25ef121c2 [2023-11-24 23:00:08,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/data/fa1d428d1/3012d30e24eb4330950e99e9a8b89dba [2023-11-24 23:00:08,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:08,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:08,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:08,103 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:08,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:08,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:08" (1/1) ... [2023-11-24 23:00:08,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf14a18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:08, skipping insertion in model container [2023-11-24 23:00:08,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:08" (1/1) ... [2023-11-24 23:00:08,193 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:09,329 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:09,348 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 23:00:09,383 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:09,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:09,512 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:09,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:09,776 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:09,776 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:09,776 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:09,777 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:09,785 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:09,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09 WrapperNode [2023-11-24 23:00:09,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:09,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:09,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:09,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:09,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,845 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,896 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2023-11-24 23:00:09,897 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:09,898 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:09,898 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:09,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:09,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,962 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:09,968 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:09,968 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:09,968 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:09,969 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:09" (1/1) ... [2023-11-24 23:00:09,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:09,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:10,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:10,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:00:10,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:00:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:10,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:00:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:00:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:00:10,291 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:10,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:10,582 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:10,715 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:10,715 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:00:10,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:10 BoogieIcfgContainer [2023-11-24 23:00:10,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:10,718 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:10,718 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:10,728 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:10,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:10" (1/1) ... [2023-11-24 23:00:10,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:10,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:00:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:00:10,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:00:10,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:10,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:10,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:10,818 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:10,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:00:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:11,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:11,655 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:00:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:00:11,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:00:11,926 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:00:11,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-11-24 23:00:11,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:11 ImpRootNode [2023-11-24 23:00:11,964 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:11,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:11,965 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:11,965 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:11,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:10" (3/4) ... [2023-11-24 23:00:11,968 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:00:11,969 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:11,970 INFO L158 Benchmark]: Toolchain (without parser) took 3872.51ms. Allocated memory is still 111.1MB. Free memory was 84.8MB in the beginning and 49.7MB in the end (delta: 35.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-11-24 23:00:11,971 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:11,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1684.38ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 66.8MB in the end (delta: 17.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:11,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.34ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 63.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:11,974 INFO L158 Benchmark]: Boogie Preprocessor took 68.70ms. Allocated memory is still 111.1MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:11,975 INFO L158 Benchmark]: RCFGBuilder took 749.58ms. Allocated memory is still 111.1MB. Free memory was 61.5MB in the beginning and 75.6MB in the end (delta: -14.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:11,976 INFO L158 Benchmark]: CodeCheck took 1245.86ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 50.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:11,977 INFO L158 Benchmark]: Witness Printer took 5.05ms. Allocated memory is still 111.1MB. Free memory was 50.4MB in the beginning and 49.7MB in the end (delta: 668.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:11,981 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: 1.2s, 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, 0.2s 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: 1569]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataPtr={-9223372036854775808:0}, dataVoidPtr={-9223372036854775808:0}, dataVoidPtr={-9223372036854775808:0}, 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 0.51ms. Allocated memory is still 71.3MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1684.38ms. Allocated memory is still 111.1MB. Free memory was 84.5MB in the beginning and 66.8MB in the end (delta: 17.7MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.34ms. Allocated memory is still 111.1MB. Free memory was 66.8MB in the beginning and 63.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.70ms. Allocated memory is still 111.1MB. Free memory was 63.6MB in the beginning and 61.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.58ms. Allocated memory is still 111.1MB. Free memory was 61.5MB in the beginning and 75.6MB in the end (delta: -14.2MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * CodeCheck took 1245.86ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 50.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.05ms. Allocated memory is still 111.1MB. Free memory was 50.4MB in the beginning and 49.7MB in the end (delta: 668.5kB). 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~nondet105 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:00:12,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4155897d-ac4f-4c5e-aeb6-5028696f31e6/bin/ukojak-verify-afCqCEvfdi/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