./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_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_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi --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 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:46,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:46,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:02:46,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:46,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:46,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:46,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:46,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:46,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:46,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:46,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:46,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:46,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:46,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:46,171 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:46,172 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:46,172 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:46,173 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:46,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:46,174 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:46,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:46,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:46,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:46,181 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:46,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:46,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:46,182 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:46,183 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:46,183 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:46,184 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:46,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:46,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:46,185 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_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 [2023-11-24 23:02:46,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:46,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:46,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:46,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:46,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:46,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-11-24 23:02:49,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:02:50,085 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:02:50,094 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-11-24 23:02:50,126 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data/b7ebf9324/ee95513bec7548cbb6e904a5b2e5d704/FLAG6755eb47d [2023-11-24 23:02:50,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data/b7ebf9324/ee95513bec7548cbb6e904a5b2e5d704 [2023-11-24 23:02:50,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:02:50,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:02:50,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:50,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:02:50,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:02:50,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ea6b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:50, skipping insertion in model container [2023-11-24 23:02:50,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:02:50" (1/1) ... [2023-11-24 23:02:50,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:02:51,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:51,539 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:02:51,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:02:51,887 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:51,887 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:51,887 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:51,887 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:02:51,896 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:02:51,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51 WrapperNode [2023-11-24 23:02:51,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:02:51,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:51,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:02:51,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:02:51,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,962 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-11-24 23:02:51,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:02:51,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:02:51,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:02:51,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:02:51,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:51,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:02:51,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:02:51,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:02:51,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:02:51,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:02:51" (1/1) ... [2023-11-24 23:02:52,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:52,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:02:52,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:02:52,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:02:52,100 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:02:52,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:02:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:02:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:02:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:02:52,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:02:52,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:02:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:02:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:02:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:02:52,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:02:52,252 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:02:52,254 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:52,382 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:02:52,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:02:52,446 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:02:52,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:52 BoogieIcfgContainer [2023-11-24 23:02:52,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:02:52,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:02:52,450 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:02:52,461 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:02:52,461 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:52" (1/1) ... [2023-11-24 23:02:52,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:02:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:02:52,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:02:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:02:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:02:52,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:02:52,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:02:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:52,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:52,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:02:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:02:52,959 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:02:52,983 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 23:02:52,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 23:02:52,987 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 23:02:52,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:02:52 ImpRootNode [2023-11-24 23:02:52,992 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:02:52,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:02:52,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:02:52,993 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:02:52,994 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:02:52" (3/4) ... [2023-11-24 23:02:52,996 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:02:52,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:02:52,998 INFO L158 Benchmark]: Toolchain (without parser) took 2841.31ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 120.2MB in the end (delta: 3.0MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-24 23:02:52,999 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:53,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1737.85ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 101.5MB in the end (delta: 21.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-24 23:02:53,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.74ms. Allocated memory is still 163.6MB. Free memory was 101.5MB in the beginning and 98.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:53,002 INFO L158 Benchmark]: Boogie Preprocessor took 30.81ms. Allocated memory is still 163.6MB. Free memory was 98.6MB in the beginning and 97.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:53,003 INFO L158 Benchmark]: RCFGBuilder took 453.55ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 82.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:02:53,004 INFO L158 Benchmark]: CodeCheck took 542.48ms. Allocated memory is still 163.6MB. Free memory was 82.6MB in the beginning and 120.2MB in the end (delta: -37.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:53,005 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 163.6MB. Free memory is still 120.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:02:53,009 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: 1559]: 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 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==5 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5855:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1737.85ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 101.5MB in the end (delta: 21.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.74ms. Allocated memory is still 163.6MB. Free memory was 101.5MB in the beginning and 98.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.81ms. Allocated memory is still 163.6MB. Free memory was 98.6MB in the beginning and 97.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.55ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 82.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 542.48ms. Allocated memory is still 163.6MB. Free memory was 82.6MB in the beginning and 120.2MB in the end (delta: -37.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 163.6MB. Free memory is still 120.2MB. 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~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 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 [2023-11-24 23:02:53,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/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 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_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi --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 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:55,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:55,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:02:55,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:55,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:55,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:55,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:55,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:55,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:55,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:55,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:55,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:55,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:55,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:55,793 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:02:55,794 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:02:55,795 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:02:55,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:02:55,799 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:02:55,800 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:55,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:55,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:55,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:55,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:55,809 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:55,810 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:55,810 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:55,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:55,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:55,812 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:55,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:55,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:02:55,814 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:02:55,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:55,815 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:02:55,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:02:55,816 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_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95bf25103b8a3ee1eeeb7b57c27c8e3c8cc7a1d38e649ee487b7d82d3b8289b6 [2023-11-24 23:02:56,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:56,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:56,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:56,316 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:56,317 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:56,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-11-24 23:02:59,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:00,090 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:00,090 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_14_bad.i [2023-11-24 23:03:00,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data/b4fcf449e/d02fede41c294c06a5b9dba8b5a5c81b/FLAG5e27c20e2 [2023-11-24 23:03:00,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/data/b4fcf449e/d02fede41c294c06a5b9dba8b5a5c81b [2023-11-24 23:03:00,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:00,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:00,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:00,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:00,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:00,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6dcadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:00, skipping insertion in model container [2023-11-24 23:03:00,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:00" (1/1) ... [2023-11-24 23:03:00,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:01,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:01,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:01,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:01,666 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:01,667 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:01,667 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:01,667 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:03:01,675 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:01,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01 WrapperNode [2023-11-24 23:03:01,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:01,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:01,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:01,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:01,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,757 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-11-24 23:03:01,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:01,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:01,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:01,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:01,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,789 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:01,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:01,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:01,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:01,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:01,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:01,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:01,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:01,883 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:03:01,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:01,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:03:01,884 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:03:02,050 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:02,052 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:02,240 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:02,339 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:02,339 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:03:02,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:02 BoogieIcfgContainer [2023-11-24 23:03:02,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:02,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:02,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:02,353 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:02,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:02" (1/1) ... [2023-11-24 23:03:02,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:02,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-24 23:03:02,437 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 23:03:02,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:02,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:02,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:02,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:02,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:03:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:02,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:02,984 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:03,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 23:03:03,076 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:03:03,102 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 23:03:03,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 23:03:03,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 23:03:03,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:03 ImpRootNode [2023-11-24 23:03:03,119 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:03,122 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:03,122 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:03,122 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:03,123 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:02" (3/4) ... [2023-11-24 23:03:03,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:03,135 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:03,136 INFO L158 Benchmark]: Toolchain (without parser) took 2975.46ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 45.9MB in the beginning and 63.8MB in the end (delta: -17.9MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-24 23:03:03,138 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:03,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1514.62ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 45.7MB in the beginning and 47.7MB in the end (delta: -2.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:03,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.70ms. Allocated memory is still 100.7MB. Free memory was 47.7MB in the beginning and 72.0MB in the end (delta: -24.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-24 23:03:03,141 INFO L158 Benchmark]: Boogie Preprocessor took 37.35ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:03,143 INFO L158 Benchmark]: RCFGBuilder took 544.27ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 52.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:03:03,144 INFO L158 Benchmark]: CodeCheck took 777.78ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 64.4MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:03,145 INFO L158 Benchmark]: Witness Printer took 13.57ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 63.8MB in the end (delta: 588.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:03,156 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: 0.7s, 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: 1559]: 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 1567. 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); [L1567] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1567] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_14_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE globalFive==5 [L1556] COND TRUE globalFive==5 [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1514.62ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 45.7MB in the beginning and 47.7MB in the end (delta: -2.0MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.70ms. Allocated memory is still 100.7MB. Free memory was 47.7MB in the beginning and 72.0MB in the end (delta: -24.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.35ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 69.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.27ms. Allocated memory is still 100.7MB. Free memory was 69.9MB in the beginning and 52.6MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 777.78ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 64.4MB in the end (delta: -11.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 13.57ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 63.8MB in the end (delta: 588.3kB). 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~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 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 [2023-11-24 23:03:03,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440d3786-e163-4b6a-8eb7-9affbbefd0dd/bin/ukojak-verify-afCqCEvfdi/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: UNKNOWN: Overapproximated counterexample