./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9 --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 d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:56:18,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:56:18,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:56:18,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:56:18,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:56:18,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:56:18,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:56:18,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:56:18,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:56:18,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:56:18,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:56:18,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:56:18,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:56:18,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:56:18,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:56:18,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:56:18,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:56:18,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:56:18,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:56:18,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:56:18,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:56:18,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:56:18,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:56:18,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:56:18,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:56:18,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:56:18,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:56:18,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:56:18,885 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:56:18,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:56:18,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:56:18,886 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:56:18,886 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_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 [2023-12-03 02:56:19,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:56:19,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:56:19,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:56:19,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:56:19,147 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:56:19,148 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2023-12-03 02:56:21,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:56:22,101 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:56:22,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2023-12-03 02:56:22,122 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data/f51342aed/10ee65a6354f406f9fa08a8238d981b9/FLAG58ead020b [2023-12-03 02:56:22,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data/f51342aed/10ee65a6354f406f9fa08a8238d981b9 [2023-12-03 02:56:22,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:56:22,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:56:22,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:56:22,143 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:56:22,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:56:22,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:56:22" (1/1) ... [2023-12-03 02:56:22,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9dd369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:22, skipping insertion in model container [2023-12-03 02:56:22,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:56:22" (1/1) ... [2023-12-03 02:56:22,212 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:56:22,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:56:22,908 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:56:22,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:56:23,173 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:23,174 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:23,174 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:23,174 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:23,182 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:56:23,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23 WrapperNode [2023-12-03 02:56:23,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:56:23,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:56:23,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:56:23,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:56:23,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,241 INFO L138 Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-12-03 02:56:23,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:56:23,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:56:23,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:56:23,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:56:23,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:56:23,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:56:23,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:56:23,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:56:23,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:56:23,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:56:23,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:56:23,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:56:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:56:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:56:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:56:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:56:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:56:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:56:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:56:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:56:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:56:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:56:23,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:56:23,477 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:56:23,480 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:56:23,587 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:56:23,622 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:56:23,622 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:56:23,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:56:23 BoogieIcfgContainer [2023-12-03 02:56:23,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:56:23,625 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:56:23,625 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:56:23,632 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:56:23,633 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:56:23" (1/1) ... [2023-12-03 02:56:23,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:56:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:56:23,689 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:56:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:56:23,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:56:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:23,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:56:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:23,931 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:56:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:23,964 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:56:23,984 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 02:56:23,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-12-03 02:56:23,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:56:23 ImpRootNode [2023-12-03 02:56:23,992 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:56:23,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:56:23,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:56:23,993 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:56:23,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:56:23" (3/4) ... [2023-12-03 02:56:23,995 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:56:23,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:56:23,998 INFO L158 Benchmark]: Toolchain (without parser) took 1856.34ms. Allocated memory was 151.0MB in the beginning and 260.0MB in the end (delta: 109.1MB). Free memory was 108.7MB in the beginning and 184.1MB in the end (delta: -75.4MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-03 02:56:23,998 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:56:23,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1040.35ms. Allocated memory was 151.0MB in the beginning and 260.0MB in the end (delta: 109.1MB). Free memory was 108.7MB in the beginning and 222.9MB in the end (delta: -114.2MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2023-12-03 02:56:23,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.25ms. Allocated memory is still 260.0MB. Free memory was 222.9MB in the beginning and 219.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:56:24,000 INFO L158 Benchmark]: Boogie Preprocessor took 24.68ms. Allocated memory is still 260.0MB. Free memory was 219.7MB in the beginning and 218.7MB in the end (delta: 955.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:56:24,001 INFO L158 Benchmark]: RCFGBuilder took 356.23ms. Allocated memory is still 260.0MB. Free memory was 218.7MB in the beginning and 204.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:56:24,001 INFO L158 Benchmark]: CodeCheck took 367.05ms. Allocated memory is still 260.0MB. Free memory was 204.0MB in the beginning and 184.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 02:56:24,002 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 260.0MB. Free memory is still 184.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:56:24,005 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. 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] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={13:34}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] EXPR \read(data) [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.17ms. Allocated memory is still 151.0MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1040.35ms. Allocated memory was 151.0MB in the beginning and 260.0MB in the end (delta: 109.1MB). Free memory was 108.7MB in the beginning and 222.9MB in the end (delta: -114.2MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.25ms. Allocated memory is still 260.0MB. Free memory was 222.9MB in the beginning and 219.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.68ms. Allocated memory is still 260.0MB. Free memory was 219.7MB in the beginning and 218.7MB in the end (delta: 955.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 356.23ms. Allocated memory is still 260.0MB. Free memory was 218.7MB in the beginning and 204.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 367.05ms. Allocated memory is still 260.0MB. Free memory was 204.0MB in the beginning and 184.1MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 260.0MB. Free memory is still 184.1MB. 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: unknown boogie variable #t~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 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 [2023-12-03 02:56:24,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/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_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9 --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 d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:56:25,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:56:26,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:56:26,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:56:26,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:56:26,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:56:26,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:56:26,050 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:56:26,050 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:56:26,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:56:26,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:56:26,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:56:26,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:56:26,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:56:26,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:56:26,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:56:26,054 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:56:26,055 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:56:26,055 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:56:26,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:56:26,056 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:56:26,057 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:56:26,058 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:56:26,058 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:56:26,059 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:26,059 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:56:26,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:56:26,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:56:26,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:56:26,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:56:26,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:56:26,062 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:56:26,062 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:26,062 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:56:26,062 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:56:26,063 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:56:26,063 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_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1ba05f78c3a89ccf511f13d47c9dd47757b3e1a564059d33275bd799f44b898 [2023-12-03 02:56:26,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:56:26,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:56:26,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:56:26,356 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:56:26,356 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:56:26,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2023-12-03 02:56:29,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:56:29,558 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:56:29,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_21_bad.i [2023-12-03 02:56:29,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data/b15404bea/3542ea18218d4170ba3bbf38d7b6962a/FLAG40d4a5704 [2023-12-03 02:56:29,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/data/b15404bea/3542ea18218d4170ba3bbf38d7b6962a [2023-12-03 02:56:29,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:56:29,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:56:29,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:56:29,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:56:29,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:56:29,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:56:29" (1/1) ... [2023-12-03 02:56:29,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae8379f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:29, skipping insertion in model container [2023-12-03 02:56:29,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:56:29" (1/1) ... [2023-12-03 02:56:29,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:56:30,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:56:30,388 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:56:30,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:56:30,657 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:30,658 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:30,658 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:30,658 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:56:30,664 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:56:30,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30 WrapperNode [2023-12-03 02:56:30,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:56:30,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:56:30,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:56:30,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:56:30,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,700 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,723 INFO L138 Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-12-03 02:56:30,724 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:56:30,724 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:56:30,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:56:30,725 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:56:30,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,755 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,762 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:56:30,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:56:30,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:56:30,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:56:30,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:56:30" (1/1) ... [2023-12-03 02:56:30,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:56:30,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:56:30,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:56:30,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:56:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:56:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:56:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:56:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:56:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:56:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:56:30,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:56:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:56:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:56:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:56:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:56:30,997 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:56:30,999 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:56:31,139 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:56:31,176 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:56:31,176 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:56:31,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:56:31 BoogieIcfgContainer [2023-12-03 02:56:31,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:56:31,179 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:56:31,179 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:56:31,188 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:56:31,189 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:56:31" (1/1) ... [2023-12-03 02:56:31,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:56:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:56:31,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 02:56:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 02:56:31,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:56:31,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:56:31,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:56:31,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:56:31,260 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:56:31,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:56:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:31,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:56:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:31,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:56:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:56:31,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:56:31,716 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 02:56:31,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 02:56:31,740 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-12-03 02:56:31,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:56:31 ImpRootNode [2023-12-03 02:56:31,744 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:56:31,745 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:56:31,745 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:56:31,745 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:56:31,746 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:56:31" (3/4) ... [2023-12-03 02:56:31,747 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:56:31,748 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:56:31,749 INFO L158 Benchmark]: Toolchain (without parser) took 2151.54ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 49.0MB in the end (delta: 32.4MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-03 02:56:31,750 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:56:31,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1065.34ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 44.2MB in the end (delta: 37.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2023-12-03 02:56:31,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.58ms. Allocated memory is still 109.1MB. Free memory was 44.2MB in the beginning and 41.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:56:31,752 INFO L158 Benchmark]: Boogie Preprocessor took 42.60ms. Allocated memory is still 109.1MB. Free memory was 41.5MB in the beginning and 84.7MB in the end (delta: -43.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-12-03 02:56:31,752 INFO L158 Benchmark]: RCFGBuilder took 410.37ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 67.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:56:31,753 INFO L158 Benchmark]: CodeCheck took 565.70ms. Allocated memory is still 109.1MB. Free memory was 67.9MB in the beginning and 49.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:56:31,753 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 109.1MB. Free memory was 49.8MB in the beginning and 49.0MB in the end (delta: 796.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:56:31,757 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1571. 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] static int badStatic = 0; [L1571] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_fscanf_postdec_21_bad() [L1562] int data; [L1563] data = 0 [L1565] badStatic = 1 [L1566] EXPR \read(data) [L1566] CALL badSink(data) [L1551] COND TRUE \read(badStatic) [L1554] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=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 0.17ms. Allocated memory is still 62.9MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1065.34ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 44.2MB in the end (delta: 37.3MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.58ms. Allocated memory is still 109.1MB. Free memory was 44.2MB in the beginning and 41.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.60ms. Allocated memory is still 109.1MB. Free memory was 41.5MB in the beginning and 84.7MB in the end (delta: -43.2MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 410.37ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 67.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 565.70ms. Allocated memory is still 109.1MB. Free memory was 67.9MB in the beginning and 49.8MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 109.1MB. Free memory was 49.8MB in the beginning and 49.0MB in the end (delta: 796.2kB). 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: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 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 [2023-12-03 02:56:31,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9941b053-b59c-4d43-b420-65f2d3af6809/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample