./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_66_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_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/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_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/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_a1392997-1b90-4fe9-9564-9c020f4c1004/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 a1b1aa8fd486a852ab1954a54305c703fd6efd58345233677fa8b4e8b9c4394e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:25:06,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:25:06,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:25:06,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:25:06,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:25:06,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:25:06,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:25:06,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:25:06,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:25:06,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:25:06,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:25:06,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:25:06,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:25:06,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:25:06,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:25:06,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:25:06,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:25:06,788 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:25:06,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:25:06,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:25:06,790 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:25:06,790 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:25:06,791 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:25:06,791 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:25:06,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:25:06,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:06,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:25:06,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:25:06,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:25:06,794 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:25:06,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:25:06,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:25:06,796 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_a1392997-1b90-4fe9-9564-9c020f4c1004/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1b1aa8fd486a852ab1954a54305c703fd6efd58345233677fa8b4e8b9c4394e [2023-12-03 03:25:07,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:25:07,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:25:07,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:25:07,047 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:25:07,047 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:25:07,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_66_bad.i [2023-12-03 03:25:09,917 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:25:10,343 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:25:10,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_66_bad.i [2023-12-03 03:25:10,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data/26b1b57e7/e71539b622d4423db326ee843408f243/FLAG16eefd3a6 [2023-12-03 03:25:10,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data/26b1b57e7/e71539b622d4423db326ee843408f243 [2023-12-03 03:25:10,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:25:10,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:25:10,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:10,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:25:10,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:25:10,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:10" (1/1) ... [2023-12-03 03:25:10,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a1b24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:10, skipping insertion in model container [2023-12-03 03:25:10,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:10" (1/1) ... [2023-12-03 03:25:10,506 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:25:11,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:11,430 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:25:11,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:11,759 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:11,759 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:11,759 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:11,760 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:11,768 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:25:11,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11 WrapperNode [2023-12-03 03:25:11,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:11,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:11,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:25:11,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:25:11,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,844 INFO L138 Inliner]: procedures = 499, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-12-03 03:25:11,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:11,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:25:11,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:25:11,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:25:11,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,860 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,867 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,872 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:25:11,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:25:11,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:25:11,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:25:11,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:11" (1/1) ... [2023-12-03 03:25:11,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:11,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:25:11,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:25:11,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:25:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:25:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:25:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:25:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:25:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:25:11,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:25:11,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:25:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:25:11,970 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:25:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:25:11,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:25:12,110 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:25:12,113 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:25:12,268 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:25:12,307 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:25:12,307 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:25:12,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:12 BoogieIcfgContainer [2023-12-03 03:25:12,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:25:12,310 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:25:12,310 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:25:12,317 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:25:12,318 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:12" (1/1) ... [2023-12-03 03:25:12,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:25:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:12,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:25:12,386 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:25:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:25:12,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:12,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:25:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:12,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:25:12,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:12,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:25:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:12,798 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:25:12,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 03:25:12,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:25:12 ImpRootNode [2023-12-03 03:25:12,827 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:25:12,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:25:12,828 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:25:12,828 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:25:12,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:12" (3/4) ... [2023-12-03 03:25:12,831 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:25:12,832 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:25:12,833 INFO L158 Benchmark]: Toolchain (without parser) took 2422.48ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 103.7MB in the beginning and 87.3MB in the end (delta: 16.4MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-12-03 03:25:12,834 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:25:12,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1356.84ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 103.7MB in the beginning and 130.2MB in the end (delta: -26.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2023-12-03 03:25:12,835 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.10ms. Allocated memory is still 182.5MB. Free memory was 130.2MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:25:12,836 INFO L158 Benchmark]: Boogie Preprocessor took 31.75ms. Allocated memory is still 182.5MB. Free memory was 127.1MB in the beginning and 126.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:25:12,836 INFO L158 Benchmark]: RCFGBuilder took 431.55ms. Allocated memory is still 182.5MB. Free memory was 125.0MB in the beginning and 110.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 03:25:12,837 INFO L158 Benchmark]: CodeCheck took 517.29ms. Allocated memory is still 182.5MB. Free memory was 110.3MB in the beginning and 88.0MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:25:12,838 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 182.5MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:25:12,841 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: 0.5s, 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, 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_sub_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={2946:0}, dataArray={2946:0}, 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 0.33ms. Allocated memory is still 151.0MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1356.84ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 103.7MB in the beginning and 130.2MB in the end (delta: -26.6MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.10ms. Allocated memory is still 182.5MB. Free memory was 130.2MB in the beginning and 127.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.75ms. Allocated memory is still 182.5MB. Free memory was 127.1MB in the beginning and 126.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.55ms. Allocated memory is still 182.5MB. Free memory was 125.0MB in the beginning and 110.3MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 517.29ms. Allocated memory is still 182.5MB. Free memory was 110.3MB in the beginning and 88.0MB in the end (delta: 22.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 182.5MB. Free memory is still 87.3MB. 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 03:25:12,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/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_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/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_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/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_a1392997-1b90-4fe9-9564-9c020f4c1004/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 a1b1aa8fd486a852ab1954a54305c703fd6efd58345233677fa8b4e8b9c4394e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:25:14,833 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:25:14,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:25:14,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:25:14,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:25:14,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:25:14,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:25:14,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:25:14,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:25:14,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:25:14,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:25:14,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:25:14,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:25:14,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:25:14,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:25:14,951 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:25:14,951 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:25:14,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:25:14,954 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:25:14,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:25:14,955 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:25:14,956 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:25:14,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:25:14,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:25:14,958 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:14,958 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:25:14,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:25:14,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:14,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:25:14,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:25:14,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:25:14,961 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:25:14,961 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:14,961 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:25:14,962 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:25:14,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:25:14,962 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_a1392997-1b90-4fe9-9564-9c020f4c1004/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1b1aa8fd486a852ab1954a54305c703fd6efd58345233677fa8b4e8b9c4394e [2023-12-03 03:25:15,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:25:15,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:25:15,286 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:25:15,287 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:25:15,288 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:25:15,289 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_66_bad.i [2023-12-03 03:25:18,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:25:18,490 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:25:18,491 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_66_bad.i [2023-12-03 03:25:18,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data/6adfe2962/de022063bc4244dfb25d03da1c50a42d/FLAG085d9136f [2023-12-03 03:25:18,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/data/6adfe2962/de022063bc4244dfb25d03da1c50a42d [2023-12-03 03:25:18,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:25:18,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:25:18,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:18,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:25:18,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:25:18,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:18" (1/1) ... [2023-12-03 03:25:18,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f5c3ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:18, skipping insertion in model container [2023-12-03 03:25:18,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:25:18" (1/1) ... [2023-12-03 03:25:18,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:25:19,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:19,427 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:25:19,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:25:19,640 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:19,641 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:19,641 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:19,641 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:25:19,649 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:25:19,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19 WrapperNode [2023-12-03 03:25:19,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:25:19,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:19,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:25:19,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:25:19,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,713 INFO L138 Inliner]: procedures = 504, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-12-03 03:25:19,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:25:19,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:25:19,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:25:19,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:25:19,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:25:19,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:25:19,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:25:19,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:25:19,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:25:19" (1/1) ... [2023-12-03 03:25:19,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:25:19,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:25:19,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:25:19,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:25:19,842 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:25:19,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:25:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:25:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:25:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:25:19,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:25:19,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:25:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:25:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:25:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:25:19,844 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:25:20,004 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:25:20,006 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:25:20,185 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:25:20,233 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:25:20,234 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:25:20,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:20 BoogieIcfgContainer [2023-12-03 03:25:20,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:25:20,237 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:25:20,237 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:25:20,244 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:25:20,245 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:20" (1/1) ... [2023-12-03 03:25:20,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:25:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:25:20,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 03:25:20,301 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 03:25:20,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 03:25:20,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:25:20,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:25:20,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:25:20,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:25:20,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:25:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:20,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:25:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:20,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:25:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:25:20,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:25:20,938 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:25:20,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 03:25:20,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:25:20 ImpRootNode [2023-12-03 03:25:20,964 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:25:20,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:25:20,964 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:25:20,964 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:25:20,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:25:20" (3/4) ... [2023-12-03 03:25:20,969 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:25:20,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:25:20,971 INFO L158 Benchmark]: Toolchain (without parser) took 2434.21ms. Allocated memory is still 94.4MB. Free memory was 67.4MB in the beginning and 43.7MB in the end (delta: 23.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-12-03 03:25:20,971 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:25:20,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1112.17ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 57.3MB in the end (delta: 9.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2023-12-03 03:25:20,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.80ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 54.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:25:20,973 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:25:20,974 INFO L158 Benchmark]: RCFGBuilder took 481.49ms. Allocated memory is still 94.4MB. Free memory was 51.6MB in the beginning and 64.4MB in the end (delta: -12.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-12-03 03:25:20,975 INFO L158 Benchmark]: CodeCheck took 727.08ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 43.7MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:25:20,975 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 94.4MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:25:20,979 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1570]: 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 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1555] EXPR \read(data) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_fscanf_sub_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, dataArray={18014398509481987:0}, dataArray={18014398509481987:0}, 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 0.33ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1112.17ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 57.3MB in the end (delta: 9.9MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.80ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 54.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 94.4MB. Free memory was 54.2MB in the beginning and 52.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.49ms. Allocated memory is still 94.4MB. Free memory was 51.6MB in the beginning and 64.4MB in the end (delta: -12.8MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * CodeCheck took 727.08ms. Allocated memory is still 94.4MB. Free memory was 64.4MB in the beginning and 43.7MB in the end (delta: 20.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 94.4MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~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 03:25:20,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1392997-1b90-4fe9-9564-9c020f4c1004/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