./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_02_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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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 8e2f69d0a9b80c6ec5e822fe4ecc94f6d30b7be0703bd090a847fb5fc0692d8a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:35,507 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:35,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:17:35,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:17:35,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:17:35,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:35,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:35,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:35,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:35,694 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:35,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:35,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:35,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:17:35,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:35,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:35,700 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:35,700 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:35,701 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:17:35,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:17:35,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:35,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:35,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:35,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:35,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:35,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:35,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:35,707 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:35,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:35,708 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:35,708 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:17:35,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:17:35,710 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:35,711 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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e2f69d0a9b80c6ec5e822fe4ecc94f6d30b7be0703bd090a847fb5fc0692d8a [2023-11-24 22:17:36,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:36,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:36,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:36,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:36,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:36,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_02_bad.i [2023-11-24 22:17:39,244 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:39,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:39,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_02_bad.i [2023-11-24 22:17:39,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data/b8c621653/50e32894e78747dc9381b7db14c02203/FLAG408727c39 [2023-11-24 22:17:39,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data/b8c621653/50e32894e78747dc9381b7db14c02203 [2023-11-24 22:17:39,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:39,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:39,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:39,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:39,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:39,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:39" (1/1) ... [2023-11-24 22:17:39,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cb7f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:39, skipping insertion in model container [2023-11-24 22:17:39,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:39" (1/1) ... [2023-11-24 22:17:39,872 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:40,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:40,924 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:41,050 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:41,246 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:41,247 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:41,247 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:41,247 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:41,255 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:41,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41 WrapperNode [2023-11-24 22:17:41,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:41,257 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:41,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:41,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:41,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,359 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-24 22:17:41,361 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:41,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:41,362 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:41,362 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:41,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,380 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:41,421 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:41,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:41,422 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:41,423 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:41,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:41,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:41,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:41,497 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:17:41,498 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:17:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:17:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:41,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:41,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:17:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:17:41,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:17:41,657 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:41,659 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:41,819 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:41,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:41,881 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:17:41,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:41 BoogieIcfgContainer [2023-11-24 22:17:41,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:41,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:41,884 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:41,895 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:41,896 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:41" (1/1) ... [2023-11-24 22:17:41,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:41,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:41,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:17:41,956 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:17:41,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:17:41,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:42,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:17:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:42,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:17:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:42,397 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:17:42,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:17:42,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:17:42,429 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:17:42,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:17:42 ImpRootNode [2023-11-24 22:17:42,435 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:17:42,436 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:17:42,436 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:17:42,436 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:17:42,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:41" (3/4) ... [2023-11-24 22:17:42,439 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:17:42,441 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:17:42,442 INFO L158 Benchmark]: Toolchain (without parser) took 2671.05ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 104.0MB in the beginning and 101.1MB in the end (delta: 2.9MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2023-11-24 22:17:42,443 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 153.1MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:42,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.02ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 104.0MB in the beginning and 139.8MB in the end (delta: -35.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:42,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.71ms. Allocated memory is still 203.4MB. Free memory was 139.8MB in the beginning and 136.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:42,445 INFO L158 Benchmark]: Boogie Preprocessor took 58.88ms. Allocated memory is still 203.4MB. Free memory was 136.7MB in the beginning and 135.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:42,446 INFO L158 Benchmark]: RCFGBuilder took 462.35ms. Allocated memory is still 203.4MB. Free memory was 135.7MB in the beginning and 119.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:17:42,447 INFO L158 Benchmark]: CodeCheck took 550.83ms. Allocated memory is still 203.4MB. Free memory was 119.9MB in the beginning and 101.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:17:42,447 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 203.4MB. Free memory was 101.8MB in the beginning and 101.1MB in the end (delta: 736.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:42,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8857:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8857:0}, 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 153.1MB. Free memory is still 127.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1482.02ms. Allocated memory was 153.1MB in the beginning and 203.4MB in the end (delta: 50.3MB). Free memory was 104.0MB in the beginning and 139.8MB in the end (delta: -35.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.71ms. Allocated memory is still 203.4MB. Free memory was 139.8MB in the beginning and 136.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.88ms. Allocated memory is still 203.4MB. Free memory was 136.7MB in the beginning and 135.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.35ms. Allocated memory is still 203.4MB. Free memory was 135.7MB in the beginning and 119.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 550.83ms. Allocated memory is still 203.4MB. Free memory was 119.9MB in the beginning and 101.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 203.4MB. Free memory was 101.8MB in the beginning and 101.1MB in the end (delta: 736.1kB). 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~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 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 22:17:42,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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 8e2f69d0a9b80c6ec5e822fe4ecc94f6d30b7be0703bd090a847fb5fc0692d8a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:17:45,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:17:45,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:17:45,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:17:45,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:17:45,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:17:45,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:17:45,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:17:45,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:17:45,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:17:45,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:17:45,660 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:17:45,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:17:45,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:17:45,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:17:45,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:17:45,664 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:17:45,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:17:45,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:17:45,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:17:45,667 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:17:45,668 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:17:45,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:17:45,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:17:45,669 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:45,670 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:17:45,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:17:45,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:45,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:17:45,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:17:45,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:17:45,673 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:17:45,674 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:45,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:17:45,675 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:17:45,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:17:45,675 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_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e2f69d0a9b80c6ec5e822fe4ecc94f6d30b7be0703bd090a847fb5fc0692d8a [2023-11-24 22:17:46,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:17:46,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:17:46,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:17:46,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:17:46,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:17:46,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_02_bad.i [2023-11-24 22:17:49,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:17:50,018 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:17:50,019 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_02_bad.i [2023-11-24 22:17:50,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data/4a528129e/414f8d266ece4c9eada5739046a18a15/FLAG1bb786b89 [2023-11-24 22:17:50,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/data/4a528129e/414f8d266ece4c9eada5739046a18a15 [2023-11-24 22:17:50,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:17:50,088 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:17:50,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:50,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:17:50,100 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:17:50,101 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:50" (1/1) ... [2023-11-24 22:17:50,102 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a17b22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:50, skipping insertion in model container [2023-11-24 22:17:50,102 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:50" (1/1) ... [2023-11-24 22:17:50,195 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:17:51,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:51,351 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:17:51,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:17:51,654 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:51,654 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:51,654 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:51,655 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:17:51,662 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:17:51,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51 WrapperNode [2023-11-24 22:17:51,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:17:51,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:51,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:17:51,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:17:51,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,739 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-11-24 22:17:51,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:17:51,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:17:51,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:17:51,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:17:51,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,778 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:17:51,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:17:51,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:17:51,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:17:51,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:51" (1/1) ... [2023-11-24 22:17:51,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:17:51,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:17:51,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:17:51,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:17:51,874 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:17:51,875 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:17:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:17:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:17:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:17:51,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:17:51,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:17:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:17:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:17:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:17:51,876 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:17:52,057 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:17:52,060 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:17:52,269 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:17:52,383 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:17:52,384 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:17:52,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:52 BoogieIcfgContainer [2023-11-24 22:17:52,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:17:52,388 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:17:52,388 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:17:52,399 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:17:52,400 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:52" (1/1) ... [2023-11-24 22:17:52,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:17:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 22:17:52,529 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:17:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:17:52,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:52,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:17:52,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:17:52,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:17:52,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:17:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:52,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:17:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:53,117 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:17:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:17:53,218 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:17:53,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:17:53,239 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:17:53,270 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:17:53,274 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:17:53,275 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:17:53,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:17:53 ImpRootNode [2023-11-24 22:17:53,279 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:17:53,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:17:53,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:17:53,281 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:17:53,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:52" (3/4) ... [2023-11-24 22:17:53,284 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:17:53,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:17:53,286 INFO L158 Benchmark]: Toolchain (without parser) took 3198.31ms. Allocated memory was 79.7MB in the beginning and 121.6MB in the end (delta: 41.9MB). Free memory was 52.2MB in the beginning and 77.5MB in the end (delta: -25.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2023-11-24 22:17:53,287 INFO L158 Benchmark]: CDTParser took 0.77ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:53,288 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1571.20ms. Allocated memory was 79.7MB in the beginning and 121.6MB in the end (delta: 41.9MB). Free memory was 52.0MB in the beginning and 81.6MB in the end (delta: -29.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-11-24 22:17:53,289 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.15ms. Allocated memory is still 121.6MB. Free memory was 81.6MB in the beginning and 78.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:53,290 INFO L158 Benchmark]: Boogie Preprocessor took 37.21ms. Allocated memory is still 121.6MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:53,291 INFO L158 Benchmark]: RCFGBuilder took 607.62ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 59.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:17:53,292 INFO L158 Benchmark]: CodeCheck took 891.52ms. Allocated memory is still 121.6MB. Free memory was 59.5MB in the beginning and 77.5MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:53,292 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 121.6MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:53,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_02_bad() [L1550] int data; [L1551] data = 0 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, 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 0.77ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 56.3MB in the end (delta: 141.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1571.20ms. Allocated memory was 79.7MB in the beginning and 121.6MB in the end (delta: 41.9MB). Free memory was 52.0MB in the beginning and 81.6MB in the end (delta: -29.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.15ms. Allocated memory is still 121.6MB. Free memory was 81.6MB in the beginning and 78.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.21ms. Allocated memory is still 121.6MB. Free memory was 78.4MB in the beginning and 76.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.62ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 59.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 891.52ms. Allocated memory is still 121.6MB. Free memory was 59.5MB in the beginning and 77.5MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 121.6MB. Free memory is still 77.5MB. 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~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 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 22:17:53,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c2ea70b-5e6d-4fc6-971b-240f5c2714e5/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