./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_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_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/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_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/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_c2115b18-18d7-4f21-b96c-d26894d7e22d/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 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:16,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:16,822 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:03:16,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:16,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:16,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:16,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:16,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:16,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:16,879 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:16,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:16,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:16,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:16,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:16,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:16,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:16,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:16,885 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:16,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:16,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:16,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:16,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:16,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:16,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:16,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:16,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:16,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:16,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:16,892 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:16,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:16,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:16,894 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_c2115b18-18d7-4f21-b96c-d26894d7e22d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 [2023-11-12 00:03:17,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:17,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:17,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:17,252 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:17,253 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:17,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2023-11-12 00:03:20,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:20,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:20,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2023-11-12 00:03:20,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data/402185e31/3cb2fd161c4b4727a21595ae2455cc6b/FLAG916cda2d8 [2023-11-12 00:03:20,927 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data/402185e31/3cb2fd161c4b4727a21595ae2455cc6b [2023-11-12 00:03:20,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:20,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:20,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:20,936 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:20,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:20,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:20,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18919fd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:20, skipping insertion in model container [2023-11-12 00:03:20,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:20" (1/1) ... [2023-11-12 00:03:21,015 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:21,475 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:03:22,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:22,104 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:22,174 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:03:22,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:22,454 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:22,455 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:22,455 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:22,455 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:22,456 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:22,456 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:22,464 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:22,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22 WrapperNode [2023-11-12 00:03:22,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:22,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:22,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:22,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:22,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,564 INFO L138 Inliner]: procedures = 503, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 59 [2023-11-12 00:03:22,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:22,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:22,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:22,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:22,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,597 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,632 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:22,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:22,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:22,637 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:22,637 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:22" (1/1) ... [2023-11-12 00:03:22,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:22,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:22,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:03:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:03:22,731 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:03:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:03:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:03:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:03:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:03:22,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:03:22,910 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:22,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:23,041 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:23,089 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:23,089 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:03:23,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:23 BoogieIcfgContainer [2023-11-12 00:03:23,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:23,093 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:23,094 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:23,104 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:23,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:23" (1/1) ... [2023-11-12 00:03:23,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:23,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:03:23,188 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:03:23,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:23,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:23,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:23,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:23,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:23,572 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-12 00:03:23,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:03:23 ImpRootNode [2023-11-12 00:03:23,621 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:03:23,624 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:03:23,625 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:03:23,625 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:03:23,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:23" (3/4) ... [2023-11-12 00:03:23,631 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 00:03:23,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:03:23,634 INFO L158 Benchmark]: Toolchain (without parser) took 2699.01ms. Allocated memory is still 153.1MB. Free memory was 106.0MB in the beginning and 107.2MB in the end (delta: -1.3MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2023-11-12 00:03:23,635 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:23,636 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1529.75ms. Allocated memory is still 153.1MB. Free memory was 106.0MB in the beginning and 82.1MB in the end (delta: 23.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:23,637 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.57ms. Allocated memory is still 153.1MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:23,638 INFO L158 Benchmark]: Boogie Preprocessor took 69.85ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:23,639 INFO L158 Benchmark]: RCFGBuilder took 456.69ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 62.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 00:03:23,640 INFO L158 Benchmark]: CodeCheck took 527.73ms. Allocated memory is still 153.1MB. Free memory was 62.7MB in the beginning and 108.3MB in the end (delta: -45.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:23,642 INFO L158 Benchmark]: Witness Printer took 8.23ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:23,653 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, 0.1s 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: 1588]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); [L1569] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={18:28}, argv={18:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_53_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE191_Integer_Underflow__int_fgets_multiply_53b_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fgets_multiply_53c_badSink(data) [L1582] CALL CWE191_Integer_Underflow__int_fgets_multiply_53d_badSink(data) [L1586] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1588] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, 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 0.39ms. Allocated memory is still 113.2MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1529.75ms. Allocated memory is still 153.1MB. Free memory was 106.0MB in the beginning and 82.1MB in the end (delta: 23.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.57ms. Allocated memory is still 153.1MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.85ms. Allocated memory is still 153.1MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.69ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 62.7MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 527.73ms. Allocated memory is still 153.1MB. Free memory was 62.7MB in the beginning and 108.3MB in the end (delta: -45.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.23ms. Allocated memory is still 153.1MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-12 00:03:23,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/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 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_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/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_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/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_c2115b18-18d7-4f21-b96c-d26894d7e22d/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 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:26,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:26,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-12 00:03:26,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:26,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:26,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:26,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:26,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:26,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:26,619 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:26,620 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:26,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:26,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:26,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:26,623 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:03:26,623 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:03:26,624 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:26,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:03:26,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:26,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:26,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:26,628 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:26,628 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:26,629 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:03:26,629 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:26,630 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:03:26,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:26,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:26,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:26,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:26,633 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:26,633 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:03:26,634 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:26,634 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:26,634 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:03:26,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:03:26,635 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_c2115b18-18d7-4f21-b96c-d26894d7e22d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3185ffe29f05ed4171c2ed6caade03d779fa7a7384e53383ff00b407ece1e3b7 [2023-11-12 00:03:27,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:27,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:27,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:27,125 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:27,126 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:27,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2023-11-12 00:03:30,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:30,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:30,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_53_bad.i [2023-11-12 00:03:30,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data/f19f9bade/35922a1e13c84c3db2a6c6e534eeb3dc/FLAG3796abbdd [2023-11-12 00:03:30,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/data/f19f9bade/35922a1e13c84c3db2a6c6e534eeb3dc [2023-11-12 00:03:30,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:30,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:30,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:30,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:30,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:30,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:30" (1/1) ... [2023-11-12 00:03:30,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@405cec98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:30, skipping insertion in model container [2023-11-12 00:03:30,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:30" (1/1) ... [2023-11-12 00:03:30,884 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:31,347 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:03:31,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:31,917 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:31,940 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:03:32,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:32,138 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:32,139 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:32,139 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:32,139 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:32,139 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:32,140 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:32,147 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:32,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32 WrapperNode [2023-11-12 00:03:32,148 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:32,149 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:32,149 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:32,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:32,157 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,204 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,232 INFO L138 Inliner]: procedures = 508, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 58 [2023-11-12 00:03:32,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:32,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:32,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:32,233 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:32,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,261 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:32,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:32,273 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:32,273 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:32,274 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:32,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:32,320 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:32,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:03:32,358 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:03:32,359 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:03:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:03:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:03:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:32,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:32,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:03:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:03:32,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-12 00:03:32,629 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:32,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:32,848 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:32,884 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:32,884 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:03:32,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:32 BoogieIcfgContainer [2023-11-12 00:03:32,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:32,888 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:32,888 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:32,897 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:32,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:32" (1/1) ... [2023-11-12 00:03:32,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:32,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:03:32,966 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:03:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:32,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:32,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:03:32,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:03:32,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:03:33,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:03:33,057 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) [2023-11-12 00:03:33,061 INFO L158 Benchmark]: Toolchain (without parser) took 2290.40ms. Allocated memory is still 90.2MB. Free memory was 62.0MB in the beginning and 43.3MB in the end (delta: 18.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:03:33,062 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:33,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.29ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 45.4MB in the end (delta: 16.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-12 00:03:33,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.29ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 42.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:33,064 INFO L158 Benchmark]: Boogie Preprocessor took 39.07ms. Allocated memory is still 90.2MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:33,064 INFO L158 Benchmark]: RCFGBuilder took 614.30ms. Allocated memory is still 90.2MB. Free memory was 40.0MB in the beginning and 49.1MB in the end (delta: -9.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-12 00:03:33,065 INFO L158 Benchmark]: CodeCheck took 171.90ms. Allocated memory is still 90.2MB. Free memory was 49.1MB in the beginning and 43.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:03:33,068 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 0.67ms. Allocated memory is still 58.7MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.29ms. Allocated memory is still 90.2MB. Free memory was 61.8MB in the beginning and 45.4MB in the end (delta: 16.3MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.29ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 42.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.07ms. Allocated memory is still 90.2MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.30ms. Allocated memory is still 90.2MB. Free memory was 40.0MB in the beginning and 49.1MB in the end (delta: -9.1MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * CodeCheck took 171.90ms. Allocated memory is still 90.2MB. Free memory was 49.1MB in the beginning and 43.3MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:03:33,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:03:33,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2115b18-18d7-4f21-b96c-d26894d7e22d/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