./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_61_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_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/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_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/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_09027e72-4147-458b-9525-568f10313c88/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 2d28e1504773aa93ecb1bdb3ae742961472b0ee47b3aedcde912d309fad9f6bf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:02,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:02,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:58:02,509 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:58:02,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:58:02,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:02,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:02,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:02,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:02,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:02,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:02,539 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:02,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:58:02,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:02,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:02,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:02,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:02,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:02,543 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:02,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:02,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:02,545 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:02,546 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:02,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:02,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:02,548 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:02,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:02,549 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:02,549 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:58:02,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:58:02,550 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:02,551 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_09027e72-4147-458b-9525-568f10313c88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d28e1504773aa93ecb1bdb3ae742961472b0ee47b3aedcde912d309fad9f6bf [2023-11-11 23:58:02,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:02,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:02,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:02,903 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:02,904 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:02,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_61_bad.i [2023-11-11 23:58:06,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:06,569 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:06,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_61_bad.i [2023-11-11 23:58:06,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data/05accb33a/cb6bb291b5284d4695a11786c52f55a4/FLAGf2c6f6f29 [2023-11-11 23:58:06,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data/05accb33a/cb6bb291b5284d4695a11786c52f55a4 [2023-11-11 23:58:06,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:06,617 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:06,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:06,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:06,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:06,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:06" (1/1) ... [2023-11-11 23:58:06,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7472a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:06, skipping insertion in model container [2023-11-11 23:58:06,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:06" (1/1) ... [2023-11-11 23:58:06,700 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:07,202 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:07,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:07,851 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:07,885 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:07,984 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:08,143 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:08,145 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:08,145 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:08,145 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:08,146 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:08,146 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:08,154 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:08,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08 WrapperNode [2023-11-11 23:58:08,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:08,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:08,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:08,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:08,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,281 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2023-11-11 23:58:08,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:08,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:08,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:08,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:08,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,318 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,340 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:08,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:08,341 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:08,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:08,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:08,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:08,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:08,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:08,438 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:58:08,439 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:58:08,440 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:58:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:08,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:58:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:08,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:08,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:58:08,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:08,614 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:08,615 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:08,773 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:08,858 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:08,860 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:58:08,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:08 BoogieIcfgContainer [2023-11-11 23:58:08,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:08,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:08,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:08,877 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:08,878 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:08" (1/1) ... [2023-11-11 23:58:08,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:58:08,967 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:58:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:58:08,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:08,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:09,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:58:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:09,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:58:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:58:09,416 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:58:09,455 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-11-11 23:58:09,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:58:09 ImpRootNode [2023-11-11 23:58:09,462 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:58:09,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:58:09,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:58:09,464 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:58:09,465 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:08" (3/4) ... [2023-11-11 23:58:09,473 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:58:09,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:58:09,476 INFO L158 Benchmark]: Toolchain (without parser) took 2858.51ms. Allocated memory is still 157.3MB. Free memory was 120.3MB in the beginning and 88.0MB in the end (delta: 32.3MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-11 23:58:09,477 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:09,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1537.76ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 121.6MB in the end (delta: -2.0MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:09,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.37ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 123.9MB in the end (delta: -2.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-11-11 23:58:09,480 INFO L158 Benchmark]: Boogie Preprocessor took 57.61ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 121.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:09,481 INFO L158 Benchmark]: RCFGBuilder took 524.28ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 105.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:09,482 INFO L158 Benchmark]: CodeCheck took 595.96ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 88.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:09,482 INFO L158 Benchmark]: Witness Printer took 10.49ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 88.0MB in the end (delta: 238.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:09,492 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, 15 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, 8 NumberOfCodeBlocks, 8 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:19}, argv={13:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE191_Integer_Underflow__int_fgets_postdec_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_fgets_postdec_61b_badSource(data) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1572] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] EXPR data = atoi(inputBuffer) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1570-L1580] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1581] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_fgets_postdec_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_fgets_postdec_61b_badSource(data) [L1555] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 130.0MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1537.76ms. Allocated memory is still 157.3MB. Free memory was 119.6MB in the beginning and 121.6MB in the end (delta: -2.0MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.37ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 123.9MB in the end (delta: -2.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.61ms. Allocated memory is still 157.3MB. Free memory was 123.6MB in the beginning and 121.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.28ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 105.9MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 595.96ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 88.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 10.49ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 88.0MB in the end (delta: 238.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-11 23:58:09,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/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_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/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_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/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_09027e72-4147-458b-9525-568f10313c88/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 2d28e1504773aa93ecb1bdb3ae742961472b0ee47b3aedcde912d309fad9f6bf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:12,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:12,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-11 23:58:12,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:12,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:12,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:12,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:12,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:12,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:12,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:12,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:12,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:12,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:12,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:12,327 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:58:12,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:58:12,329 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:12,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:58:12,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:12,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:12,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:12,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:12,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:12,332 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:58:12,333 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:12,333 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:12,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:12,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:12,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:12,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:12,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:12,336 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:58:12,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:12,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:12,337 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:58:12,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:12,338 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_09027e72-4147-458b-9525-568f10313c88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d28e1504773aa93ecb1bdb3ae742961472b0ee47b3aedcde912d309fad9f6bf [2023-11-11 23:58:12,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:12,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:12,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:12,756 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:12,760 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:12,761 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_61_bad.i [2023-11-11 23:58:15,857 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:16,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:16,256 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_61_bad.i [2023-11-11 23:58:16,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data/0540a6a13/694733f37dc04bfcb4820f16358dd25e/FLAG7cb015f34 [2023-11-11 23:58:16,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/data/0540a6a13/694733f37dc04bfcb4820f16358dd25e [2023-11-11 23:58:16,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:16,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:16,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:16,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:16,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:16,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:16" (1/1) ... [2023-11-11 23:58:16,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e38972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:16, skipping insertion in model container [2023-11-11 23:58:16,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:16" (1/1) ... [2023-11-11 23:58:16,387 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:16,825 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:17,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:17,441 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:17,464 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:17,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:17,758 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:17,758 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:17,758 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:17,758 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:17,759 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:17,759 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:17,767 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:17,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17 WrapperNode [2023-11-11 23:58:17,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:17,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:17,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:17,770 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:17,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,877 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-11 23:58:17,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:17,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:17,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:17,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:17,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,907 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,950 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:17,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:17,954 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:17,954 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:17,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:17" (1/1) ... [2023-11-11 23:58:17,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:17,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:17,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:18,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:58:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:58:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:58:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:58:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:58:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-11 23:58:18,265 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:18,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:18,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:18,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:18,498 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:58:18,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:18 BoogieIcfgContainer [2023-11-11 23:58:18,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:18,502 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:18,502 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:18,523 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:18,524 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:18" (1/1) ... [2023-11-11 23:58:18,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:18,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-11 23:58:18,608 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-11 23:58:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:58:18,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:18,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:18,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-11 23:58:18,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-11 23:58:18,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-11 23:58:18,699 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 23:58:18,703 INFO L158 Benchmark]: Toolchain (without parser) took 2399.36ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 37.7MB in the beginning and 53.8MB in the end (delta: -16.1MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:18,704 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 71.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:18,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.61ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 37.5MB in the beginning and 46.8MB in the end (delta: -9.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:18,706 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.23ms. Allocated memory is still 102.8MB. Free memory was 46.8MB in the beginning and 43.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:18,706 INFO L158 Benchmark]: Boogie Preprocessor took 73.51ms. Allocated memory is still 102.8MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:18,707 INFO L158 Benchmark]: RCFGBuilder took 547.51ms. Allocated memory is still 102.8MB. Free memory was 41.5MB in the beginning and 59.4MB in the end (delta: -18.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-11 23:58:18,708 INFO L158 Benchmark]: CodeCheck took 200.09ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 53.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:18,714 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 0.63ms. Allocated memory is still 71.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.61ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 37.5MB in the beginning and 46.8MB in the end (delta: -9.3MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.23ms. Allocated memory is still 102.8MB. Free memory was 46.8MB in the beginning and 43.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.51ms. Allocated memory is still 102.8MB. Free memory was 43.6MB in the beginning and 41.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.51ms. Allocated memory is still 102.8MB. Free memory was 41.5MB in the beginning and 59.4MB in the end (delta: -18.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * CodeCheck took 200.09ms. Allocated memory is still 102.8MB. Free memory was 59.4MB in the beginning and 53.8MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:58:18,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-11 23:58:18,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09027e72-4147-458b-9525-568f10313c88/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