./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_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_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/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_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/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_d671ac26-f70c-4bf5-bfda-316204727be6/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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:47:52,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:47:52,928 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:47:52,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:47:52,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:47:52,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:47:52,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:47:52,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:47:52,972 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:47:52,973 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:47:52,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:47:52,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:47:52,976 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:47:52,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:47:52,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:47:52,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:47:52,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:47:52,980 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:47:52,981 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:47:52,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:47:52,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:47:52,984 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:47:52,984 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:47:52,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:47:52,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:52,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:47:52,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:47:52,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:47:52,989 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:47:52,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:47:52,990 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:47:52,991 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_d671ac26-f70c-4bf5-bfda-316204727be6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2023-11-11 23:47:53,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:47:53,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:47:53,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:47:53,383 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:47:53,384 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:47:53,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2023-11-11 23:47:56,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:47:57,206 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:47:57,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2023-11-11 23:47:57,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data/bfb9aaadf/26018f25a2a148ac8776a76c5c63f316/FLAG639979177 [2023-11-11 23:47:57,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data/bfb9aaadf/26018f25a2a148ac8776a76c5c63f316 [2023-11-11 23:47:57,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:47:57,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:47:57,279 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:57,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:47:57,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:47:57,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:57" (1/1) ... [2023-11-11 23:47:57,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4f8987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:57, skipping insertion in model container [2023-11-11 23:47:57,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:47:57" (1/1) ... [2023-11-11 23:47:57,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:47:57,823 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:58,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:58,523 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:47:58,549 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:47:58,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:47:58,818 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,818 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,819 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,819 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,819 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,819 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:47:58,829 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:47:58,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58 WrapperNode [2023-11-11 23:47:58,830 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:47:58,831 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:58,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:47:58,832 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:47:58,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,908 INFO L138 Inliner]: procedures = 501, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-11 23:47:58,908 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:47:58,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:47:58,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:47:58,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:47:58,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,941 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,952 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:47:58,953 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:47:58,953 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:47:58,953 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:47:58,954 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:47:58" (1/1) ... [2023-11-11 23:47:58,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:47:58,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:47:58,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:47:58,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:47:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:47:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:47:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:47:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:47:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:47:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:47:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:47:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:47:59,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:47:59,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:47:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:47:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:47:59,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:47:59,259 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:47:59,262 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:47:59,480 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:47:59,517 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:47:59,518 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:47:59,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:59 BoogieIcfgContainer [2023-11-11 23:47:59,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:47:59,522 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:47:59,522 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:47:59,533 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:47:59,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:59" (1/1) ... [2023-11-11 23:47:59,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:47:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:47:59,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:47:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:47:59,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:47:59,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:47:59,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:47:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:47:59,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:47:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:00,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:48:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:48:00,085 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:48:00,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:48:00 ImpRootNode [2023-11-11 23:48:00,136 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:48:00,137 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:48:00,140 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:48:00,140 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:48:00,141 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:47:59" (3/4) ... [2023-11-11 23:48:00,144 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:48:00,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:48:00,147 INFO L158 Benchmark]: Toolchain (without parser) took 2869.21ms. Allocated memory is still 172.0MB. Free memory was 137.8MB in the beginning and 78.6MB in the end (delta: 59.2MB). Peak memory consumption was 61.3MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,147 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:00,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1551.99ms. Allocated memory is still 172.0MB. Free memory was 137.5MB in the beginning and 120.6MB in the end (delta: 17.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.17ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 117.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,150 INFO L158 Benchmark]: Boogie Preprocessor took 42.87ms. Allocated memory is still 172.0MB. Free memory was 117.8MB in the beginning and 116.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,151 INFO L158 Benchmark]: RCFGBuilder took 567.84ms. Allocated memory is still 172.0MB. Free memory was 116.4MB in the beginning and 100.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,152 INFO L158 Benchmark]: CodeCheck took 614.89ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 79.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,153 INFO L158 Benchmark]: Witness Printer took 8.29ms. Allocated memory is still 172.0MB. Free memory was 79.3MB in the beginning and 78.6MB in the end (delta: 668.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:00,157 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1579]: 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)=13, argc=13, argv={18:19}, argv={18:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE191_Integer_Underflow__int_fgets_multiply_63_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_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1577] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, dataPtr={1145:0}, dataPtr={1145:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, dataPtr={1145:0}, dataPtr={1145:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1551.99ms. Allocated memory is still 172.0MB. Free memory was 137.5MB in the beginning and 120.6MB in the end (delta: 17.0MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.17ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 117.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.87ms. Allocated memory is still 172.0MB. Free memory was 117.8MB in the beginning and 116.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.84ms. Allocated memory is still 172.0MB. Free memory was 116.4MB in the beginning and 100.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 614.89ms. Allocated memory is still 172.0MB. Free memory was 100.3MB in the beginning and 79.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 8.29ms. Allocated memory is still 172.0MB. Free memory was 79.3MB in the beginning and 78.6MB in the end (delta: 668.8kB). 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 [2023-11-11 23:48:00,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/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_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/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_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/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_d671ac26-f70c-4bf5-bfda-316204727be6/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 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:48:03,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:48:03,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:48:03,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:48:03,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:48:03,491 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:48:03,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:48:03,493 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:48:03,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:48:03,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:48:03,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:48:03,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:48:03,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:48:03,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:48:03,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:48:03,506 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:48:03,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:48:03,507 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:48:03,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:48:03,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:48:03,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:48:03,511 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:48:03,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:48:03,512 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:48:03,512 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:03,513 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:03,514 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:48:03,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:03,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:48:03,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:48:03,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:48:03,518 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:48:03,518 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:03,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:48:03,519 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:48:03,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:48:03,520 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_d671ac26-f70c-4bf5-bfda-316204727be6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3682323ed3f3e959210ae31f39b8472c2658a034394273605eede676a52e113f [2023-11-11 23:48:03,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:48:03,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:48:03,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:48:03,987 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:48:03,988 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:48:03,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2023-11-11 23:48:07,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:48:07,900 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:48:07,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_63_bad.i [2023-11-11 23:48:07,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data/c98765430/0744ada4b5f84c4baf8eeb9a6999f867/FLAGbc5918780 [2023-11-11 23:48:07,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/data/c98765430/0744ada4b5f84c4baf8eeb9a6999f867 [2023-11-11 23:48:07,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:48:07,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:48:07,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:07,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:48:07,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:48:07,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:07,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e8ff1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:07, skipping insertion in model container [2023-11-11 23:48:07,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:48:07" (1/1) ... [2023-11-11 23:48:08,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:48:08,678 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:09,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:09,528 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:48:09,562 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:48:09,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:48:09,910 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:09,911 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:09,911 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:09,911 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:09,911 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:09,911 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:48:09,920 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:48:09,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09 WrapperNode [2023-11-11 23:48:09,920 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:48:09,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:09,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:48:09,922 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:48:09,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:09,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:09,990 INFO L138 Inliner]: procedures = 506, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-11 23:48:09,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:48:09,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:48:09,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:48:09,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:48:10,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:48:10,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:48:10,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:48:10,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:48:10,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:48:09" (1/1) ... [2023-11-11 23:48:10,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:48:10,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:48:10,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:48:10,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:48:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:48:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:48:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:48:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:48:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:48:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:48:10,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:48:10,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:48:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:48:10,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:48:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:48:10,138 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:48:10,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:48:10,359 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:48:10,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:48:10,594 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:48:10,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:48:10,642 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:48:10,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:10 BoogieIcfgContainer [2023-11-11 23:48:10,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:48:10,656 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:48:10,656 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:48:10,666 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:48:10,667 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:48:10" (1/1) ... [2023-11-11 23:48:10,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:48:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:48:10,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:48:10,747 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:48:10,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:48:10,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:48:10,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:48:10,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:48:10,754 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:48:10,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:48:10,816 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 23:48:10,821 INFO L158 Benchmark]: Toolchain (without parser) took 2840.99ms. Allocated memory is still 121.6MB. Free memory was 93.6MB in the beginning and 83.2MB in the end (delta: 10.4MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:10,822 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 65.0MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:48:10,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1939.50ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 64.1MB in the end (delta: 29.1MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2023-11-11 23:48:10,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.15ms. Allocated memory is still 121.6MB. Free memory was 64.1MB in the beginning and 61.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:48:10,824 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 121.6MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:48:10,825 INFO L158 Benchmark]: RCFGBuilder took 620.38ms. Allocated memory is still 121.6MB. Free memory was 59.2MB in the beginning and 89.4MB in the end (delta: -30.3MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-11-11 23:48:10,826 INFO L158 Benchmark]: CodeCheck took 163.67ms. Allocated memory is still 121.6MB. Free memory was 89.4MB in the beginning and 83.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:48:10,831 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 0.59ms. Allocated memory is still 65.0MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1939.50ms. Allocated memory is still 121.6MB. Free memory was 93.2MB in the beginning and 64.1MB in the end (delta: 29.1MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.15ms. Allocated memory is still 121.6MB. Free memory was 64.1MB in the beginning and 61.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 121.6MB. Free memory was 61.3MB in the beginning and 59.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 620.38ms. Allocated memory is still 121.6MB. Free memory was 59.2MB in the beginning and 89.4MB in the end (delta: -30.3MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * CodeCheck took 163.67ms. Allocated memory is still 121.6MB. Free memory was 89.4MB in the beginning and 83.2MB in the end (delta: 6.3MB). 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 23:48:10,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-11 23:48:11,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d671ac26-f70c-4bf5-bfda-316204727be6/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