./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV --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 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:36,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:36,473 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:02:36,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:36,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:36,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:36,504 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:36,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:36,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:36,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:36,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:36,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:36,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:36,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:36,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:36,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:36,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:36,511 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:36,512 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:36,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:36,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:36,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:36,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:36,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:36,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:36,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:36,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:36,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:36,518 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:36,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:36,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:36,519 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_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15abb7e7433d900f49f8ae188632a5f511b789dc7b16b9f8b66a95331c5a24bd [2023-11-12 00:02:36,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:36,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:36,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:36,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:36,803 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:36,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2023-11-12 00:02:39,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:40,455 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:40,456 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_68_bad.i [2023-11-12 00:02:40,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/data/dc1fa0b13/022787473a5149989161043e06d1f4bc/FLAG79e887d15 [2023-11-12 00:02:40,515 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/data/dc1fa0b13/022787473a5149989161043e06d1f4bc [2023-11-12 00:02:40,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:40,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:40,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:40,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:40,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:40,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:40" (1/1) ... [2023-11-12 00:02:40,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@265bcb54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:40, skipping insertion in model container [2023-11-12 00:02:40,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:40" (1/1) ... [2023-11-12 00:02:40,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:41,038 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:41,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:41,689 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:41,713 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:41,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:41,932 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:41,933 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:41,933 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:41,933 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:41,933 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:41,941 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:41,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41 WrapperNode [2023-11-12 00:02:41,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:41,943 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:41,943 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:41,943 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:41,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:41,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,023 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52 [2023-11-12 00:02:42,023 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:42,024 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:42,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:42,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:42,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,039 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,046 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,048 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:42,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:42,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:42,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:42,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:41" (1/1) ... [2023-11-12 00:02:42,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:42,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:42,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:42,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:02:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:02:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:02:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:42,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:02:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:02:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:42,413 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:42,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:42,562 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:42,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:42,608 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:02:42,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:42 BoogieIcfgContainer [2023-11-12 00:02:42,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:42,612 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:42,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:42,622 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:42,623 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:42" (1/1) ... [2023-11-12 00:02:42,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-12 00:02:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-12 00:02:42,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:02:42,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:42,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:42,830 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:42,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:42,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:02:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:02:42,989 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-12 00:02:43,025 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-12 00:02:43,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:02:43 ImpRootNode [2023-11-12 00:02:43,030 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:02:43,031 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:02:43,031 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:02:43,031 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:02:43,032 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:42" (3/4) ... [2023-11-12 00:02:43,033 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:02:43,039 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-12 00:02:43,086 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:02:43,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:02:43,088 INFO L158 Benchmark]: Toolchain (without parser) took 2562.10ms. Allocated memory is still 182.5MB. Free memory was 138.4MB in the beginning and 99.5MB in the end (delta: 39.0MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,088 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:43,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1412.58ms. Allocated memory is still 182.5MB. Free memory was 138.4MB in the beginning and 139.3MB in the end (delta: -854.2kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.58ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 136.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,090 INFO L158 Benchmark]: Boogie Preprocessor took 30.76ms. Allocated memory is still 182.5MB. Free memory was 136.2MB in the beginning and 135.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:43,091 INFO L158 Benchmark]: RCFGBuilder took 555.19ms. Allocated memory is still 182.5MB. Free memory was 135.1MB in the beginning and 120.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,092 INFO L158 Benchmark]: CodeCheck took 418.59ms. Allocated memory is still 182.5MB. Free memory was 120.4MB in the beginning and 102.3MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,092 INFO L158 Benchmark]: Witness Printer took 56.26ms. Allocated memory is still 182.5MB. Free memory was 102.3MB in the beginning and 99.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:43,096 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1575]: integer overflow possible integer overflow possible We found a 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); [L1549] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, 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) [L1563] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={13:38}, argv={13:38}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68_bad() [L1554] int data; [L1555] data = 0 [L1557] EXPR \read(data) [L1557] CWE191_Integer_Underflow__int_fscanf_postdec_68_badData = data [L1558] CALL CWE191_Integer_Underflow__int_fscanf_postdec_68b_badSink() [L1573] int data = CWE191_Integer_Underflow__int_fscanf_postdec_68_badData; [L1575] data-- VAL [CWE191_Integer_Underflow__int_fscanf_postdec_68_badData=-2147483648, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodB2GData=0, CWE191_Integer_Underflow__int_fscanf_postdec_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 134.2MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1412.58ms. Allocated memory is still 182.5MB. Free memory was 138.4MB in the beginning and 139.3MB in the end (delta: -854.2kB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.58ms. Allocated memory is still 182.5MB. Free memory was 139.3MB in the beginning and 136.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.76ms. Allocated memory is still 182.5MB. Free memory was 136.2MB in the beginning and 135.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.19ms. Allocated memory is still 182.5MB. Free memory was 135.1MB in the beginning and 120.4MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 418.59ms. Allocated memory is still 182.5MB. Free memory was 120.4MB in the beginning and 102.3MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 56.26ms. Allocated memory is still 182.5MB. Free memory was 102.3MB in the beginning and 99.5MB in the end (delta: 2.8MB). 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: IdentifierExpression #t~post102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:02:43,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723c5499-6cc4-4a37-ab5a-be49d30b0a23/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)