./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_22_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_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/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_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/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_60fbd98a-7600-4b59-89cb-8d62be5691ad/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 7dd2ebae3e4efedbc7c5167fcbd380e697a52b1008674458a69e2697e3b8a545 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:59:51,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:59:51,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:59:51,263 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:59:51,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:59:51,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:59:51,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:59:51,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:59:51,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:59:51,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:59:51,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:59:51,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:59:51,289 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:59:51,290 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:59:51,290 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:59:51,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:59:51,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:59:51,292 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:59:51,293 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:59:51,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:59:51,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:59:51,298 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:59:51,298 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:59:51,299 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:59:51,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:51,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:59:51,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:59:51,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:59:51,302 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:59:51,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:59:51,303 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:59:51,304 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_60fbd98a-7600-4b59-89cb-8d62be5691ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd2ebae3e4efedbc7c5167fcbd380e697a52b1008674458a69e2697e3b8a545 [2023-11-11 23:59:51,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:59:51,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:59:51,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:59:51,633 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:59:51,634 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:59:51,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_22_bad.i [2023-11-11 23:59:54,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:59:55,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:59:55,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_22_bad.i [2023-11-11 23:59:55,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data/1d1d284a0/3b2be0a5e9ba4e2e8fd035b3a5dbc299/FLAGb8f10369a [2023-11-11 23:59:55,309 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data/1d1d284a0/3b2be0a5e9ba4e2e8fd035b3a5dbc299 [2023-11-11 23:59:55,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:59:55,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:59:55,315 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:55,315 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:59:55,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:59:55,321 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:55" (1/1) ... [2023-11-11 23:59:55,322 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733dcddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:55, skipping insertion in model container [2023-11-11 23:59:55,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:59:55" (1/1) ... [2023-11-11 23:59:55,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:59:55,764 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:56,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:56,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:59:56,401 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:59:56,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:59:56,637 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:56,638 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:56,638 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:56,638 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:56,638 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:56,639 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:59:56,646 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:59:56,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56 WrapperNode [2023-11-11 23:59:56,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:59:56,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:56,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:59:56,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:59:56,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,720 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-11 23:59:56,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:59:56,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:59:56,725 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:59:56,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:59:56,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,751 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:59:56,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:59:56,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:59:56,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:59:56,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:59:56" (1/1) ... [2023-11-11 23:59:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:59:56,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:59:56,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:59:56,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:59:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:59:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:59:56,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:59:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:59:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:59:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:59:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:59:56,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:59:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:59:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:59:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:59:57,076 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:59:57,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:59:57,283 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:59:57,333 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:59:57,333 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:59:57,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:57 BoogieIcfgContainer [2023-11-11 23:59:57,336 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:59:57,337 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:59:57,347 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:59:57,358 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:59:57,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:57" (1/1) ... [2023-11-11 23:59:57,370 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:59:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:59:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-11 23:59:57,430 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-11 23:59:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:59:57,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:59:57,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:59:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:57,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:57,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:59:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:59:57,723 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-11 23:59:57,751 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-11-11 23:59:57,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:59:57 ImpRootNode [2023-11-11 23:59:57,756 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:59:57,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:59:57,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:59:57,757 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:59:57,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:59:57" (3/4) ... [2023-11-11 23:59:57,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-11 23:59:57,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:59:57,763 INFO L158 Benchmark]: Toolchain (without parser) took 2448.99ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 55.7MB in the end (delta: 38.9MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2023-11-11 23:59:57,763 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:59:57,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1332.04ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 94.3MB in the end (delta: 407.5kB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2023-11-11 23:59:57,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.25ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 90.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:59:57,766 INFO L158 Benchmark]: Boogie Preprocessor took 31.72ms. Allocated memory is still 132.1MB. Free memory was 90.7MB in the beginning and 89.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:57,767 INFO L158 Benchmark]: RCFGBuilder took 579.67ms. Allocated memory is still 132.1MB. Free memory was 89.3MB in the beginning and 74.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:59:57,768 INFO L158 Benchmark]: CodeCheck took 419.07ms. Allocated memory is still 132.1MB. Free memory was 74.6MB in the beginning and 56.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:59:57,768 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 132.1MB. Free memory was 56.4MB in the beginning and 55.7MB in the end (delta: 653.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:59:57,773 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1548] int CWE191_Integer_Underflow__int_fgets_postdec_22_badGlobal = 0; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_postdec_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=30, argc=30, argv={31:29}, argv={31:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fgets_postdec_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CWE191_Integer_Underflow__int_fgets_postdec_22_badGlobal = 1 [L1566] CALL CWE191_Integer_Underflow__int_fgets_postdec_22_badSink(data) [L1579] COND TRUE \read(CWE191_Integer_Underflow__int_fgets_postdec_22_badGlobal) [L1582] data-- VAL [CWE191_Integer_Underflow__int_fgets_postdec_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, 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 0.38ms. Allocated memory is still 132.1MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1332.04ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 94.3MB in the end (delta: 407.5kB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.25ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 90.7MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.72ms. Allocated memory is still 132.1MB. Free memory was 90.7MB in the beginning and 89.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.67ms. Allocated memory is still 132.1MB. Free memory was 89.3MB in the beginning and 74.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 419.07ms. Allocated memory is still 132.1MB. Free memory was 74.6MB in the beginning and 56.4MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 132.1MB. Free memory was 56.4MB in the beginning and 55.7MB in the end (delta: 653.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post101 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 23:59:57,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/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_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/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_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/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_60fbd98a-7600-4b59-89cb-8d62be5691ad/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 7dd2ebae3e4efedbc7c5167fcbd380e697a52b1008674458a69e2697e3b8a545 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:00,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:00,732 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-12 00:00:00,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:00,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:00,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:00,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:00,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:00,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:00,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:00,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:00,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:00,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:00,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:00,805 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:00,806 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:00,806 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:00:00,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:00,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:00:00,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:00,809 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:00,810 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:00,811 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:00,811 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:00,812 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:00,812 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:00,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:00,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:00,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:00,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:00,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:00,816 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:00,816 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:00,817 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:00,817 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:00,817 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:00,818 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_60fbd98a-7600-4b59-89cb-8d62be5691ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dd2ebae3e4efedbc7c5167fcbd380e697a52b1008674458a69e2697e3b8a545 [2023-11-12 00:00:01,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:01,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:01,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:01,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:01,345 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:01,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_22_bad.i [2023-11-12 00:00:04,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:05,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:05,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_22_bad.i [2023-11-12 00:00:05,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data/f284c6cda/c2db271fd1444c7e86ad484afe0499de/FLAGafd3667a9 [2023-11-12 00:00:05,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/data/f284c6cda/c2db271fd1444c7e86ad484afe0499de [2023-11-12 00:00:05,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:05,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:05,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:05,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:05,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:05,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:05" (1/1) ... [2023-11-12 00:00:05,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b8ddad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:05, skipping insertion in model container [2023-11-12 00:00:05,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:05" (1/1) ... [2023-11-12 00:00:05,243 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:05,701 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:00:06,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:06,389 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:06,422 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:00:06,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:06,771 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:06,772 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:06,772 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:06,772 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:06,772 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:06,773 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:06,781 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:06,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06 WrapperNode [2023-11-12 00:00:06,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:06,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:06,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:06,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:06,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,873 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-12 00:00:06,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:06,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:06,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:06,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:06,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,928 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:06,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:06,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:06,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:06,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:06" (1/1) ... [2023-11-12 00:00:06,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:06,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:06,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:06,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:00:07,023 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:07,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:07,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:00:07,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-12 00:00:07,224 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:07,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:07,415 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:07,481 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:07,481 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:07,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:07 BoogieIcfgContainer [2023-11-12 00:00:07,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:00:07,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:00:07,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:00:07,497 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:00:07,498 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:00:07" (1/1) ... [2023-11-12 00:00:07,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:00:07,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:00:07,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:00:07,586 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:00:07,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:00:07,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:00:07,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:07,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/cvc4 [2023-11-12 00:00:07,597 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 00:00:07,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-12 00:00:07,657 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort RoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:159) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:440) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:00:07,661 INFO L158 Benchmark]: Toolchain (without parser) took 2507.75ms. Allocated memory is still 102.8MB. Free memory was 74.6MB in the beginning and 69.7MB in the end (delta: 4.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-12 00:00:07,662 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:07,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1626.57ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 66.3MB in the end (delta: 8.1MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:07,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.86ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:07,664 INFO L158 Benchmark]: Boogie Preprocessor took 71.95ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:07,665 INFO L158 Benchmark]: RCFGBuilder took 536.58ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 43.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:07,665 INFO L158 Benchmark]: CodeCheck took 173.56ms. Allocated memory is still 102.8MB. Free memory was 43.7MB in the beginning and 69.7MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:07,669 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 0.76ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 64.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1626.57ms. Allocated memory is still 102.8MB. Free memory was 74.4MB in the beginning and 66.3MB in the end (delta: 8.1MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.86ms. Allocated memory is still 102.8MB. Free memory was 66.3MB in the beginning and 63.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.95ms. Allocated memory is still 102.8MB. Free memory was 63.1MB in the beginning and 61.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.58ms. Allocated memory is still 102.8MB. Free memory was 61.0MB in the beginning and 43.7MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 173.56ms. Allocated memory is still 102.8MB. Free memory was 43.7MB in the beginning and 69.7MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:07,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/bin/ukojak-verify-0OAaufAVZV/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-12 00:00:07,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60fbd98a-7600-4b59-89cb-8d62be5691ad/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