./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/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_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/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_e1c30d11-c91d-4368-a554-d10c23029b8a/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 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:20,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:20,461 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:59:20,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:20,471 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:20,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:20,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:20,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:20,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:20,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:20,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:20,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:20,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:20,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:20,521 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:20,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:20,522 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:20,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:20,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:20,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:20,524 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:20,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:20,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:20,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:20,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:20,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:20,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:20,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:20,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:20,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:20,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:20,530 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_e1c30d11-c91d-4368-a554-d10c23029b8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 [2023-11-11 23:59:20,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:20,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:20,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:20,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:20,899 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:20,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2023-11-11 23:59:24,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:24,451 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:24,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2023-11-11 23:59:24,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data/2ceb14810/ed5c4f5bc14245b88f83e493cc771729/FLAG82f7612c5 [2023-11-11 23:59:24,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data/2ceb14810/ed5c4f5bc14245b88f83e493cc771729 [2023-11-11 23:59:24,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:24,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:24,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:24,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:24,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:24,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:24" (1/1) ... [2023-11-11 23:59:24,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b9e693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:24, skipping insertion in model container [2023-11-11 23:59:24,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:24" (1/1) ... [2023-11-11 23:59:24,617 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:25,042 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:25,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:25,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:25,634 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:25,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:25,898 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:25,899 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:25,899 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:25,899 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:25,899 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:25,899 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:25,907 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:25,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25 WrapperNode [2023-11-11 23:59:25,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:25,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:25,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:25,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:25,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,970 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-11 23:59:25,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:25,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:25,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:25,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:25,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:25,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:26,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:26,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:26,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:26,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:26,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:25" (1/1) ... [2023-11-11 23:59:26,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:26,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:26,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:26,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:26,122 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:59:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:59:26,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:59:26,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:59:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:26,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:26,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:59:26,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:26,339 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:26,341 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:26,469 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:26,509 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:26,509 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:59:26,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:26 BoogieIcfgContainer [2023-11-11 23:59:26,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:26,513 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:26,513 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:26,523 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:26,523 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:26" (1/1) ... [2023-11-11 23:59:26,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:26,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:59:26,584 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:59:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:59:26,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:26,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:26,912 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:59:26,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:59:26 ImpRootNode [2023-11-11 23:59:26,950 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:59:26,951 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:59:26,951 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:59:26,951 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:59:26,954 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:26" (3/4) ... [2023-11-11 23:59:26,956 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:59:26,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:59:26,960 INFO L158 Benchmark]: Toolchain (without parser) took 2437.84ms. Allocated memory is still 163.6MB. Free memory was 115.0MB in the beginning and 121.2MB in the end (delta: -6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,961 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1383.06ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 100.0MB in the end (delta: 14.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.23ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,964 INFO L158 Benchmark]: Boogie Preprocessor took 29.14ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 95.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,965 INFO L158 Benchmark]: RCFGBuilder took 511.32ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 80.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:59:26,966 INFO L158 Benchmark]: CodeCheck took 437.39ms. Allocated memory is still 163.6MB. Free memory was 80.6MB in the beginning and 121.2MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,966 INFO L158 Benchmark]: Witness Printer took 7.87ms. Allocated memory is still 163.6MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:26,978 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, 17 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, 9 NumberOfCodeBlocks, 9 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: 1586]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560. 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); [L1550] int CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={18:12}, argv={18:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1558] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] EXPR data = atoi(inputBuffer) [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556-L1566] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1567] CWE191_Integer_Underflow__int_fgets_multiply_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_multiply_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_multiply_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1584] COND TRUE data < 0 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1586] data * 2 VAL [CWE191_Integer_Underflow__int_fgets_multiply_68_badData=-1073741825, CWE191_Integer_Underflow__int_fgets_multiply_68_goodB2GData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, 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 0.32ms. Allocated memory is still 117.4MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1383.06ms. Allocated memory is still 163.6MB. Free memory was 114.7MB in the beginning and 100.0MB in the end (delta: 14.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.23ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.14ms. Allocated memory is still 163.6MB. Free memory was 97.1MB in the beginning and 95.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.32ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 80.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 437.39ms. Allocated memory is still 163.6MB. Free memory was 80.6MB in the beginning and 121.2MB in the end (delta: -40.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.87ms. Allocated memory is still 163.6MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:59:27,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/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 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_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/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_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/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 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:29,631 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:29,774 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:59:29,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:29,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:29,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:29,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:29,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:29,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:29,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:29,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:29,841 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:29,841 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:29,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:29,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:59:29,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:59:29,845 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:29,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:59:29,846 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:29,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:29,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:29,849 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:29,850 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:29,850 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:59:29,851 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:59:29,851 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:59:29,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:29,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:29,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:29,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:29,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:29,855 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:59:29,856 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:59:29,856 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:29,857 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:59:29,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:59:29,857 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_e1c30d11-c91d-4368-a554-d10c23029b8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84abbeab2c929e6ff1f3df3929c646a9a8cef266072a2d77da11e86bd9528e00 [2023-11-11 23:59:30,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:30,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:30,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:30,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:30,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:30,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2023-11-11 23:59:33,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:33,873 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:33,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_68_bad.i [2023-11-11 23:59:33,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data/f9ed318e5/712d6e5fa2bd40f9adb0ba496b249621/FLAG46865e382 [2023-11-11 23:59:33,917 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/data/f9ed318e5/712d6e5fa2bd40f9adb0ba496b249621 [2023-11-11 23:59:33,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:33,921 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:33,923 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:33,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:33,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:33,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:33,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27394dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:33, skipping insertion in model container [2023-11-11 23:59:33,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:33" (1/1) ... [2023-11-11 23:59:34,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:34,492 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:35,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:35,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:35,136 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:35,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:35,394 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:35,394 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:35,395 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:35,395 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:35,395 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:35,395 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:35,403 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:35,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35 WrapperNode [2023-11-11 23:59:35,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:35,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:35,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:35,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:35,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,508 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-11 23:59:35,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:35,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:35,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:35,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:35,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:35,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:35,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:35,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:35,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:35" (1/1) ... [2023-11-11 23:59:35,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:35,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:35,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:35,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:59:35,650 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:59:35,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:59:35,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:59:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:35,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:35,652 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:59:35,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:59:35,873 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:35,876 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:36,175 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:36,250 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:36,250 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:59:36,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:36 BoogieIcfgContainer [2023-11-11 23:59:36,254 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:36,255 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:36,255 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:36,267 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:36,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:36" (1/1) ... [2023-11-11 23:59:36,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:36,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:59:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:59:36,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:59:36,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:36,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:59:36,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:59:36,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:59:36,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:59:36,446 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:59:36,450 INFO L158 Benchmark]: Toolchain (without parser) took 2528.32ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 48.1MB in the end (delta: 22.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-11-11 23:59:36,451 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:36,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1481.69ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 39.0MB in the end (delta: 31.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-11 23:59:36,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.50ms. Allocated memory is still 98.6MB. Free memory was 39.0MB in the beginning and 73.8MB in the end (delta: -34.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-11 23:59:36,453 INFO L158 Benchmark]: Boogie Preprocessor took 37.87ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:36,454 INFO L158 Benchmark]: RCFGBuilder took 705.80ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 54.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:59:36,454 INFO L158 Benchmark]: CodeCheck took 193.85ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 48.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:59:36,460 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort RoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1481.69ms. Allocated memory is still 98.6MB. Free memory was 70.5MB in the beginning and 39.0MB in the end (delta: 31.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.50ms. Allocated memory is still 98.6MB. Free memory was 39.0MB in the beginning and 73.8MB in the end (delta: -34.8MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.87ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 71.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.80ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 54.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 193.85ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 48.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:59:36,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:59:36,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1c30d11-c91d-4368-a554-d10c23029b8a/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 Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort RoundingMode not declared