./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/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_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/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_54eedd55-7e0f-4920-b230-e3291584491f/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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:39:39,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:39:39,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:39:39,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:39:39,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:39:39,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:39:39,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:39:39,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:39:39,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:39:39,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:39:39,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:39:39,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:39:39,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:39:39,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:39:39,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:39:39,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:39:39,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:39:39,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:39:39,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:39:39,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:39:39,244 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:39:39,245 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:39:39,245 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:39:39,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:39:39,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:39:39,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:39,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:39:39,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:39:39,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:39:39,249 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:39:39,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:39:39,250 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:39:39,250 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_54eedd55-7e0f-4920-b230-e3291584491f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2023-12-03 02:39:39,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:39:39,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:39:39,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:39:39,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:39:39,546 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:39:39,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2023-12-03 02:39:42,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:39:42,966 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:39:42,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2023-12-03 02:39:42,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data/898ebc662/16b6d83e31f14b5db69ec6b9249b649e/FLAG93325a767 [2023-12-03 02:39:43,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data/898ebc662/16b6d83e31f14b5db69ec6b9249b649e [2023-12-03 02:39:43,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:39:43,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:39:43,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:43,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:39:43,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:39:43,024 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:43" (1/1) ... [2023-12-03 02:39:43,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6090ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:43, skipping insertion in model container [2023-12-03 02:39:43,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:43" (1/1) ... [2023-12-03 02:39:43,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:39:43,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:43,927 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:39:44,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:44,129 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:44,129 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:44,129 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:44,129 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:44,136 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:39:44,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44 WrapperNode [2023-12-03 02:39:44,136 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:44,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:44,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:39:44,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:39:44,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,202 INFO L138 Inliner]: procedures = 498, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-12-03 02:39:44,203 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:44,204 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:39:44,204 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:39:44,204 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:39:44,213 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,236 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:39:44,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:39:44,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:39:44,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:39:44,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:44,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:39:44,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:39:44,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:39:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:39:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:39:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:39:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:39:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:39:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:39:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:39:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:39:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:39:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:39:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:39:44,487 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:39:44,489 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:39:44,618 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:39:44,655 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:39:44,656 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:39:44,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:44 BoogieIcfgContainer [2023-12-03 02:39:44,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:39:44,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:39:44,659 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:39:44,669 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:39:44,669 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:44" (1/1) ... [2023-12-03 02:39:44,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:39:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 02:39:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 02:39:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:39:44,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:44,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:39:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:44,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:45,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:45,081 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:39:45,101 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105 [2023-12-03 02:39:45,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:39:45 ImpRootNode [2023-12-03 02:39:45,108 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:39:45,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:39:45,109 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:39:45,109 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:39:45,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:44" (3/4) ... [2023-12-03 02:39:45,112 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:39:45,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:39:45,114 INFO L158 Benchmark]: Toolchain (without parser) took 2097.68ms. Allocated memory is still 178.3MB. Free memory was 143.4MB in the beginning and 111.7MB in the end (delta: 31.7MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-12-03 02:39:45,115 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 178.3MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:45,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1119.08ms. Allocated memory is still 178.3MB. Free memory was 142.8MB in the beginning and 79.8MB in the end (delta: 63.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 02:39:45,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.51ms. Allocated memory is still 178.3MB. Free memory was 79.8MB in the beginning and 77.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:45,117 INFO L158 Benchmark]: Boogie Preprocessor took 33.04ms. Allocated memory is still 178.3MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:45,118 INFO L158 Benchmark]: RCFGBuilder took 420.07ms. Allocated memory is still 178.3MB. Free memory was 75.0MB in the beginning and 134.8MB in the end (delta: -59.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:39:45,119 INFO L158 Benchmark]: CodeCheck took 449.31ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 111.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:45,119 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 178.3MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:45,123 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: 1562]: 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 1571. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:13}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] EXPR \read(data) [L1557] EXPR *dataPtr1 = data [L1555] int data = *dataPtr1; [L1554-L1558] { int data = *dataPtr1; fscanf(stdin, "%d", &data); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={15924:0}, dataPtr1={15924:0}, dataPtr2={15924:0}, 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 0.20ms. Allocated memory is still 178.3MB. Free memory is still 154.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1119.08ms. Allocated memory is still 178.3MB. Free memory was 142.8MB in the beginning and 79.8MB in the end (delta: 63.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.51ms. Allocated memory is still 178.3MB. Free memory was 79.8MB in the beginning and 77.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.04ms. Allocated memory is still 178.3MB. Free memory was 77.1MB in the beginning and 75.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.07ms. Allocated memory is still 178.3MB. Free memory was 75.0MB in the beginning and 134.8MB in the end (delta: -59.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 449.31ms. Allocated memory is still 178.3MB. Free memory was 134.8MB in the beginning and 111.7MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 178.3MB. Free memory is still 111.7MB. 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~nondet105 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 02:39:45,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/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_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/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_54eedd55-7e0f-4920-b230-e3291584491f/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 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:39:47,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:39:47,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:39:47,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:39:47,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:39:47,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:39:47,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:39:47,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:39:47,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:39:47,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:39:47,448 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:39:47,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:39:47,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:39:47,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:39:47,451 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:39:47,451 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:39:47,452 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:39:47,452 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:39:47,453 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:39:47,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:39:47,454 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:39:47,455 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:39:47,455 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:39:47,456 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:39:47,456 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:47,457 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:39:47,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:39:47,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:47,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:39:47,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:39:47,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:39:47,459 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:39:47,459 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:47,460 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:39:47,460 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:39:47,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:39:47,460 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_54eedd55-7e0f-4920-b230-e3291584491f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86f790b5e54540c6cfdb7aa871809221f0588b0bece266676921ccbbc238a8d0 [2023-12-03 02:39:47,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:39:47,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:39:47,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:39:47,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:39:47,800 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:39:47,801 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2023-12-03 02:39:50,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:39:51,197 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:39:51,198 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_32_bad.i [2023-12-03 02:39:51,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data/1e770ad0a/11d5b142a02a439d9b36147f299703c6/FLAGe53fad50a [2023-12-03 02:39:51,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/data/1e770ad0a/11d5b142a02a439d9b36147f299703c6 [2023-12-03 02:39:51,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:39:51,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:39:51,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:51,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:39:51,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:39:51,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:51" (1/1) ... [2023-12-03 02:39:51,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a62b843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:51, skipping insertion in model container [2023-12-03 02:39:51,256 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:51" (1/1) ... [2023-12-03 02:39:51,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:39:52,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:52,233 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:39:52,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:52,441 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:52,442 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:52,442 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:52,442 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:52,449 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:39:52,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52 WrapperNode [2023-12-03 02:39:52,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:52,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:52,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:39:52,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:39:52,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,516 INFO L138 Inliner]: procedures = 504, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2023-12-03 02:39:52,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:52,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:39:52,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:39:52,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:39:52,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:39:52,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:39:52,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:39:52,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:39:52,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:52" (1/1) ... [2023-12-03 02:39:52,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:52,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:39:52,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:39:52,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:39:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:39:52,647 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:39:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:39:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:39:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:39:52,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:39:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:39:52,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:39:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:39:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:39:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:39:52,648 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:39:52,822 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:39:52,825 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:39:53,099 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:39:53,146 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:39:53,146 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:39:53,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:53 BoogieIcfgContainer [2023-12-03 02:39:53,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:39:53,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:39:53,150 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:39:53,162 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:39:53,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:53" (1/1) ... [2023-12-03 02:39:53,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:39:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:53,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 02:39:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 02:39:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 02:39:53,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:53,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:53,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:53,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:53,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:39:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:53,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:54,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:54,233 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:39:54,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:39:54,235 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:39:54,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 02:39:54,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:39:54 ImpRootNode [2023-12-03 02:39:54,263 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:39:54,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:39:54,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:39:54,264 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:39:54,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:53" (3/4) ... [2023-12-03 02:39:54,267 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:39:54,268 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:39:54,269 INFO L158 Benchmark]: Toolchain (without parser) took 3022.83ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 57.5MB in the end (delta: 18.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-12-03 02:39:54,270 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:54,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1201.54ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 69.2MB in the end (delta: 6.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-12-03 02:39:54,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.07ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 66.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:54,272 INFO L158 Benchmark]: Boogie Preprocessor took 42.73ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:54,273 INFO L158 Benchmark]: RCFGBuilder took 588.18ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 46.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:39:54,273 INFO L158 Benchmark]: CodeCheck took 1114.00ms. Allocated memory is still 102.8MB. Free memory was 46.2MB in the beginning and 58.1MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:54,274 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 57.5MB in the end (delta: 591.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:39:54,278 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_predec_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] EXPR \read(data) [L1557] EXPR *dataPtr1 = data [L1555] int data = *dataPtr1; [L1554-L1558] { int data = *dataPtr1; fscanf(stdin, "%d", &data); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 69.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1201.54ms. Allocated memory is still 102.8MB. Free memory was 75.4MB in the beginning and 69.2MB in the end (delta: 6.2MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.07ms. Allocated memory is still 102.8MB. Free memory was 69.2MB in the beginning and 66.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.73ms. Allocated memory is still 102.8MB. Free memory was 66.2MB in the beginning and 64.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.18ms. Allocated memory is still 102.8MB. Free memory was 64.1MB in the beginning and 46.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1114.00ms. Allocated memory is still 102.8MB. Free memory was 46.2MB in the beginning and 58.1MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 57.5MB in the end (delta: 591.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - 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 02:39:54,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54eedd55-7e0f-4920-b230-e3291584491f/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