./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:22:33,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:22:33,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:22:33,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:22:33,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:22:33,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:22:33,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:22:33,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:22:33,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:22:33,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:22:33,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:22:33,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:22:33,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:22:33,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:22:33,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:22:33,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:22:33,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:22:33,529 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:22:33,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:22:33,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:22:33,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:22:33,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:22:33,531 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:22:33,531 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:22:33,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:22:33,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:22:33,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:22:33,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:22:33,533 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:22:33,534 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:22:33,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:22:33,534 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:22:33,535 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_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2023-12-03 04:22:33,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:22:33,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:22:33,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:22:33,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:22:33,796 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:22:33,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2023-12-03 04:22:36,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:22:36,835 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:22:36,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2023-12-03 04:22:36,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data/cec94c5df/8e43488f4d17409f9c88e21e908f131d/FLAGfe7ff092d [2023-12-03 04:22:36,871 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data/cec94c5df/8e43488f4d17409f9c88e21e908f131d [2023-12-03 04:22:36,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:22:36,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:22:36,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:22:36,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:22:36,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:22:36,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:22:36" (1/1) ... [2023-12-03 04:22:36,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4654a356 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:36, skipping insertion in model container [2023-12-03 04:22:36,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:22:36" (1/1) ... [2023-12-03 04:22:36,940 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:22:37,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:22:37,640 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:22:37,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:22:37,893 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:37,893 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:37,893 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:37,894 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:37,901 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:22:37,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37 WrapperNode [2023-12-03 04:22:37,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:22:37,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:22:37,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:22:37,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:22:37,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,959 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2023-12-03 04:22:37,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:22:37,960 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:22:37,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:22:37,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:22:37,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,979 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:22:37,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:22:37,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:22:37,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:22:37,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:37" (1/1) ... [2023-12-03 04:22:37,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:22:37,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:22:38,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:22:38,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:22:38,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:22:38,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:22:38,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:22:38,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:22:38,178 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:22:38,180 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:22:38,277 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:22:38,314 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:22:38,314 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:22:38,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:22:38 BoogieIcfgContainer [2023-12-03 04:22:38,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:22:38,316 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:22:38,316 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:22:38,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:22:38,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:22:38" (1/1) ... [2023-12-03 04:22:38,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:22:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:38,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:22:38,379 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:22:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:22:38,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:38,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:22:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:38,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:22:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:38,611 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:22:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:38,644 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:22:38,663 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:22:38,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:22:38 ImpRootNode [2023-12-03 04:22:38,667 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:22:38,667 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:22:38,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:22:38,668 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:22:38,668 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:22:38" (3/4) ... [2023-12-03 04:22:38,670 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:22:38,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:22:38,671 INFO L158 Benchmark]: Toolchain (without parser) took 1796.34ms. Allocated memory is still 159.4MB. Free memory was 116.3MB in the beginning and 115.6MB in the end (delta: 677.5kB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-12-03 04:22:38,672 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:22:38,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1026.12ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 93.1MB in the end (delta: 22.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2023-12-03 04:22:38,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.03ms. Allocated memory is still 159.4MB. Free memory was 93.1MB in the beginning and 90.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:22:38,673 INFO L158 Benchmark]: Boogie Preprocessor took 22.76ms. Allocated memory is still 159.4MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:22:38,674 INFO L158 Benchmark]: RCFGBuilder took 332.57ms. Allocated memory is still 159.4MB. Free memory was 88.9MB in the beginning and 74.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:22:38,674 INFO L158 Benchmark]: CodeCheck took 350.82ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 115.6MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:22:38,674 INFO L158 Benchmark]: Witness Printer took 3.06ms. Allocated memory is still 159.4MB. Free memory is still 115.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:22:38,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={35:34}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 81.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1026.12ms. Allocated memory is still 159.4MB. Free memory was 115.9MB in the beginning and 93.1MB in the end (delta: 22.8MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.03ms. Allocated memory is still 159.4MB. Free memory was 93.1MB in the beginning and 90.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.76ms. Allocated memory is still 159.4MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 332.57ms. Allocated memory is still 159.4MB. Free memory was 88.9MB in the beginning and 74.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 350.82ms. Allocated memory is still 159.4MB. Free memory was 74.3MB in the beginning and 115.6MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.06ms. Allocated memory is still 159.4MB. Free memory is still 115.6MB. 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:22:38,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:22:40,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:22:40,673 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:22:40,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:22:40,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:22:40,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:22:40,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:22:40,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:22:40,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:22:40,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:22:40,710 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:22:40,711 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:22:40,711 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:22:40,712 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:22:40,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:22:40,713 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:22:40,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:22:40,714 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:22:40,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:22:40,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:22:40,715 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:22:40,716 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:22:40,716 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:22:40,717 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:22:40,717 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:40,718 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:22:40,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:22:40,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:22:40,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:22:40,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:22:40,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:22:40,720 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:22:40,721 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:40,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:22:40,721 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:22:40,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:22:40,722 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_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f52f75515b6061665ede10c1900fb14769a398799ca1d838c94d20ee4ddedf7d [2023-12-03 04:22:41,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:22:41,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:22:41,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:22:41,032 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:22:41,033 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:22:41,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2023-12-03 04:22:43,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:22:44,123 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:22:44,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_51_bad.i [2023-12-03 04:22:44,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data/f780d4034/db1ffcb981534534ad9a1bf8325e3f2c/FLAGeefbf46bb [2023-12-03 04:22:44,161 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/data/f780d4034/db1ffcb981534534ad9a1bf8325e3f2c [2023-12-03 04:22:44,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:22:44,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:22:44,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:22:44,167 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:22:44,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:22:44,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:22:44" (1/1) ... [2023-12-03 04:22:44,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1deb2450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:44, skipping insertion in model container [2023-12-03 04:22:44,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:22:44" (1/1) ... [2023-12-03 04:22:44,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:22:45,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:22:45,037 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:22:45,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:22:45,238 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:45,238 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:45,238 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:45,238 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:22:45,244 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:22:45,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45 WrapperNode [2023-12-03 04:22:45,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:22:45,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:22:45,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:22:45,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:22:45,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,302 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51 [2023-12-03 04:22:45,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:22:45,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:22:45,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:22:45,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:22:45,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,332 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,334 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:22:45,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:22:45,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:22:45,341 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:22:45,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:22:45,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:22:45,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:22:45,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:22:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:22:45,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:22:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:22:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:22:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:22:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:22:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:22:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:22:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:22:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:22:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:22:45,565 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:22:45,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:22:45,721 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:22:45,761 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:22:45,762 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:22:45,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:22:45 BoogieIcfgContainer [2023-12-03 04:22:45,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:22:45,764 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:22:45,764 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:22:45,772 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:22:45,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:22:45" (1/1) ... [2023-12-03 04:22:45,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:22:45,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:22:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 04:22:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 04:22:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 04:22:45,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:22:45,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:22:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:22:45,832 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:22:45,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:22:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:46,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:22:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:46,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:22:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:22:46,220 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:22:46,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:22:46,223 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:22:46,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 04:22:46,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:22:46 ImpRootNode [2023-12-03 04:22:46,245 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:22:46,246 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:22:46,246 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:22:46,246 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:22:46,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:22:45" (3/4) ... [2023-12-03 04:22:46,249 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:22:46,250 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:22:46,250 INFO L158 Benchmark]: Toolchain (without parser) took 2085.54ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 64.5MB in the end (delta: 26.1MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2023-12-03 04:22:46,251 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:22:46,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1079.19ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 56.4MB in the end (delta: 33.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-12-03 04:22:46,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.86ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 53.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:22:46,253 INFO L158 Benchmark]: Boogie Preprocessor took 35.82ms. Allocated memory is still 117.4MB. Free memory was 53.1MB in the beginning and 51.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:22:46,253 INFO L158 Benchmark]: RCFGBuilder took 423.42ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 82.7MB in the end (delta: -31.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-12-03 04:22:46,254 INFO L158 Benchmark]: CodeCheck took 480.99ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 65.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:22:46,254 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 117.4MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:22:46,257 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_predec_51b_badSink(data) [L1567] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1079.19ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 56.4MB in the end (delta: 33.9MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.86ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 53.1MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.82ms. Allocated memory is still 117.4MB. Free memory was 53.1MB in the beginning and 51.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.42ms. Allocated memory is still 117.4MB. Free memory was 51.0MB in the beginning and 82.7MB in the end (delta: -31.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 480.99ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 65.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 117.4MB. Free memory is still 64.5MB. 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 The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:22:46,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0ae6e70-eb5c-4569-b87a-055d34f163fe/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample