./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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 cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:53,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:53,423 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:09:53,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:53,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:53,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:53,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:53,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:53,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:53,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:53,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:53,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:53,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:53,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:53,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:53,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:53,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:53,487 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:53,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:53,488 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:53,488 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:53,489 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:53,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:53,490 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:53,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:53,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:53,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:53,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:53,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:53,493 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:53,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:53,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:53,494 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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef [2023-11-24 23:09:53,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:53,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:53,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:53,838 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:53,838 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:53,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2023-11-24 23:09:56,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:57,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:57,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2023-11-24 23:09:57,401 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data/8afd071af/22a3465ceff14a68b86b2ce9eb478bd0/FLAG9444556bf [2023-11-24 23:09:57,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data/8afd071af/22a3465ceff14a68b86b2ce9eb478bd0 [2023-11-24 23:09:57,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:57,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:57,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:57,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:57,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:57,437 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:57" (1/1) ... [2023-11-24 23:09:57,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6543e590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:57, skipping insertion in model container [2023-11-24 23:09:57,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:57" (1/1) ... [2023-11-24 23:09:57,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:58,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:58,686 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:58,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:58,961 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:58,961 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:58,961 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:58,962 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:58,969 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:58,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58 WrapperNode [2023-11-24 23:09:58,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:58,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:58,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:58,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:58,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,073 INFO L138 Inliner]: procedures = 498, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2023-11-24 23:09:59,074 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:59,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:59,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:59,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:59,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,105 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:59,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:59,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:59,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:59,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:58" (1/1) ... [2023-11-24 23:09:59,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:59,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:59,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:59,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:09:59,236 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:09:59,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:59,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:59,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:59,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:09:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:59,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:59,440 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:59,442 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:59,584 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:59,655 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:59,656 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:09:59,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:59 BoogieIcfgContainer [2023-11-24 23:09:59,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:59,659 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:59,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:59,669 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:59,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:59" (1/1) ... [2023-11-24 23:09:59,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:59,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-24 23:09:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 23:09:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:59,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:59,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:09:59,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:09:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:09:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:09:59,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:09:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:00,016 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:10:00,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet108 [2023-11-24 23:10:00,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch102 could not be translated [2023-11-24 23:10:00,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-24 23:10:00,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated [2023-11-24 23:10:00,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch102 could not be translated [2023-11-24 23:10:00,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:00 ImpRootNode [2023-11-24 23:10:00,064 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:00,064 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:00,064 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:00,065 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:00,065 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:59" (3/4) ... [2023-11-24 23:10:00,067 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:00,074 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:00,075 INFO L158 Benchmark]: Toolchain (without parser) took 2649.15ms. Allocated memory is still 176.2MB. Free memory was 127.0MB in the beginning and 96.5MB in the end (delta: 30.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-24 23:10:00,076 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 130.0MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:00,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.62ms. Allocated memory is still 176.2MB. Free memory was 127.0MB in the beginning and 136.4MB in the end (delta: -9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:00,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.82ms. Allocated memory is still 176.2MB. Free memory was 136.4MB in the beginning and 133.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:00,078 INFO L158 Benchmark]: Boogie Preprocessor took 53.40ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 132.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:00,079 INFO L158 Benchmark]: RCFGBuilder took 529.50ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 115.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:10:00,079 INFO L158 Benchmark]: CodeCheck took 404.70ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 96.7MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:00,080 INFO L158 Benchmark]: Witness Printer took 10.07ms. Allocated memory is still 176.2MB. Free memory was 96.7MB in the beginning and 96.5MB in the end (delta: 148.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:00,084 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={6:0}, 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 0.24ms. Allocated memory is still 130.0MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.62ms. Allocated memory is still 176.2MB. Free memory was 127.0MB in the beginning and 136.4MB in the end (delta: -9.4MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.82ms. Allocated memory is still 176.2MB. Free memory was 136.4MB in the beginning and 133.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.40ms. Allocated memory is still 176.2MB. Free memory was 133.4MB in the beginning and 132.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.50ms. Allocated memory is still 176.2MB. Free memory was 131.3MB in the beginning and 115.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 404.70ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 96.7MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 10.07ms. Allocated memory is still 176.2MB. Free memory was 96.7MB in the beginning and 96.5MB in the end (delta: 148.3kB). 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~nondet108 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch102 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:10:00,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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 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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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 cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:02,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:02,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:10:02,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:02,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:02,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:02,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:02,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:02,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:02,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:02,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:02,902 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:02,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:02,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:02,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:10:02,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:10:02,905 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:02,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:10:02,906 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:02,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:02,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:02,912 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:02,912 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:02,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:02,914 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:02,914 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:02,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:02,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:02,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:02,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:02,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:02,918 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:10:02,918 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:02,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:02,919 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:10:02,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:02,919 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_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd06ae389a5012f70966abb64c7f1dc0a065676e3be184d0c6ab759a973a0cef [2023-11-24 23:10:03,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:03,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:03,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:03,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:03,435 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:03,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2023-11-24 23:10:06,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:07,149 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:07,150 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_15_bad.i [2023-11-24 23:10:07,185 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data/84755f6fd/069e05bf6aee401ab36833bc70965993/FLAG518aa1bf0 [2023-11-24 23:10:07,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/data/84755f6fd/069e05bf6aee401ab36833bc70965993 [2023-11-24 23:10:07,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:07,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:07,217 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:07,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:07,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:07,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:07" (1/1) ... [2023-11-24 23:10:07,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc21211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:07, skipping insertion in model container [2023-11-24 23:10:07,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:07" (1/1) ... [2023-11-24 23:10:07,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:08,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:08,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:08,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:08,805 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:08,806 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:08,806 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:08,807 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:08,815 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:08,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08 WrapperNode [2023-11-24 23:10:08,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:08,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:08,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:08,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:08,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,911 INFO L138 Inliner]: procedures = 503, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2023-11-24 23:10:08,912 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:08,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:08,913 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:08,913 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:08,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:08,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:08,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:08,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:08,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:08" (1/1) ... [2023-11-24 23:10:08,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:09,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:09,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:09,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:10:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:10:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:10:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:10:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:10:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:10:09,294 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:09,297 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:09,515 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:09,553 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:09,554 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:09,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:09 BoogieIcfgContainer [2023-11-24 23:10:09,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:09,556 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:09,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:09,566 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:09,566 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:09" (1/1) ... [2023-11-24 23:10:09,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2023-11-24 23:10:09,635 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-24 23:10:09,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:10:09,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:09,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:09,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:09,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:10:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:09,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:10,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:10:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:10:10,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:10,276 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:10:10,305 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet106 [2023-11-24 23:10:10,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch100 could not be translated [2023-11-24 23:10:10,308 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-24 23:10:10,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~switch100 could not be translated [2023-11-24 23:10:10,309 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated [2023-11-24 23:10:10,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:10 ImpRootNode [2023-11-24 23:10:10,315 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:10,317 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:10,317 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:10,317 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:10,318 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:09" (3/4) ... [2023-11-24 23:10:10,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:10:10,321 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:10,322 INFO L158 Benchmark]: Toolchain (without parser) took 3108.55ms. Allocated memory is still 115.3MB. Free memory was 87.5MB in the beginning and 54.9MB in the end (delta: 32.5MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:10,323 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 69.2MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:10,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1598.93ms. Allocated memory is still 115.3MB. Free memory was 87.2MB in the beginning and 47.8MB in the end (delta: 39.4MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-24 23:10:10,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.59ms. Allocated memory is still 115.3MB. Free memory was 47.1MB in the beginning and 44.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:10,326 INFO L158 Benchmark]: Boogie Preprocessor took 74.91ms. Allocated memory is still 115.3MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:10,327 INFO L158 Benchmark]: RCFGBuilder took 567.67ms. Allocated memory is still 115.3MB. Free memory was 42.1MB in the beginning and 73.8MB in the end (delta: -31.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-24 23:10:10,328 INFO L158 Benchmark]: CodeCheck took 758.41ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 54.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:10,329 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 115.3MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:10,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_predec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, 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 0.60ms. Allocated memory is still 69.2MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1598.93ms. Allocated memory is still 115.3MB. Free memory was 87.2MB in the beginning and 47.8MB in the end (delta: 39.4MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.59ms. Allocated memory is still 115.3MB. Free memory was 47.1MB in the beginning and 44.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.91ms. Allocated memory is still 115.3MB. Free memory was 44.3MB in the beginning and 42.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.67ms. Allocated memory is still 115.3MB. Free memory was 42.1MB in the beginning and 73.8MB in the end (delta: -31.7MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * CodeCheck took 758.41ms. Allocated memory is still 115.3MB. Free memory was 73.8MB in the beginning and 54.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 115.3MB. Free memory was 54.9MB in the beginning and 54.9MB in the end (delta: 2.7kB). 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~switch100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~switch100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:10:10,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4722ae04-376d-4b1e-bbf2-6cd98a5d29e5/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample