./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/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_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/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_2407a798-caa9-4e8a-a625-760c56ad7551/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:04,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:04,510 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:12:04,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:04,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:04,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:04,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:04,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:04,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:04,564 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:04,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:04,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:04,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:04,566 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:04,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:04,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:04,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:04,568 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:04,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:04,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:04,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:04,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:04,571 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:04,571 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:04,572 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:04,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:04,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:04,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:04,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:04,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:04,575 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:04,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:04,575 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_2407a798-caa9-4e8a-a625-760c56ad7551/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2023-11-24 23:12:04,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:04,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:04,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:04,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:04,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:04,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2023-11-24 23:12:07,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:08,407 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:08,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2023-11-24 23:12:08,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data/04d07c08b/8dd9bc6d10cf474ebe8860cbae272c2c/FLAGc2780f373 [2023-11-24 23:12:08,447 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data/04d07c08b/8dd9bc6d10cf474ebe8860cbae272c2c [2023-11-24 23:12:08,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:08,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:08,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:08,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:08,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:08,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:08" (1/1) ... [2023-11-24 23:12:08,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e67cbd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:08, skipping insertion in model container [2023-11-24 23:12:08,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:08" (1/1) ... [2023-11-24 23:12:08,533 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:09,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:09,535 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:09,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:09,763 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:09,763 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:09,763 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:09,763 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:09,771 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:09,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09 WrapperNode [2023-11-24 23:12:09,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:09,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:09,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:09,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:09,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,894 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-24 23:12:09,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:09,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:09,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:09,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:09,906 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,951 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:09,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:09,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:09,963 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:09,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:09" (1/1) ... [2023-11-24 23:12:09,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:09,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:10,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:10,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:12:10,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:12:10,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:10,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:12:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:10,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:12:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:12:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:12:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:10,254 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:10,264 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:10,405 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:10,471 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:10,471 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:12:10,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:10 BoogieIcfgContainer [2023-11-24 23:12:10,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:10,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:10,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:10,484 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:10,485 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:10" (1/1) ... [2023-11-24 23:12:10,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:10,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:12:10,556 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:12:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:12:10,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:10,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:10,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:12:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:10,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:12:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:10,899 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:12:10,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-11-24 23:12:10,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post101 could not be translated [2023-11-24 23:12:10,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:12:10 ImpRootNode [2023-11-24 23:12:10,930 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:12:10,931 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:12:10,931 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:12:10,931 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:12:10,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:10" (3/4) ... [2023-11-24 23:12:10,934 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:12:10,936 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:12:10,937 INFO L158 Benchmark]: Toolchain (without parser) took 2485.55ms. Allocated memory is still 184.5MB. Free memory was 147.6MB in the beginning and 115.2MB in the end (delta: 32.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-11-24 23:12:10,937 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:10,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1320.52ms. Allocated memory is still 184.5MB. Free memory was 147.6MB in the beginning and 84.0MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-24 23:12:10,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.54ms. Allocated memory is still 184.5MB. Free memory was 84.0MB in the beginning and 149.9MB in the end (delta: -65.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-24 23:12:10,940 INFO L158 Benchmark]: Boogie Preprocessor took 66.43ms. Allocated memory is still 184.5MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:10,941 INFO L158 Benchmark]: RCFGBuilder took 510.25ms. Allocated memory is still 184.5MB. Free memory was 147.8MB in the beginning and 133.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:12:10,941 INFO L158 Benchmark]: CodeCheck took 456.31ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 115.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:12:10,942 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 184.5MB. Free memory was 115.4MB in the beginning and 115.2MB in the end (delta: 206.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:10,946 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 6 NumberOfCodeBlocks, 6 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={12:37}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={10452:0}, dataCopy=-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 0.20ms. Allocated memory is still 119.5MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1320.52ms. Allocated memory is still 184.5MB. Free memory was 147.6MB in the beginning and 84.0MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.54ms. Allocated memory is still 184.5MB. Free memory was 84.0MB in the beginning and 149.9MB in the end (delta: -65.9MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.43ms. Allocated memory is still 184.5MB. Free memory was 149.9MB in the beginning and 147.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.25ms. Allocated memory is still 184.5MB. Free memory was 147.8MB in the beginning and 133.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 456.31ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 115.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 184.5MB. Free memory was 115.4MB in the beginning and 115.2MB in the end (delta: 206.5kB). 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~post101 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:12:10,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/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_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/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_2407a798-caa9-4e8a-a625-760c56ad7551/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 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:13,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:13,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:12:13,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:13,679 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:13,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:13,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:13,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:13,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:13,682 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:13,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:13,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:13,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:13,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:13,685 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:12:13,686 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:12:13,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:13,687 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:12:13,688 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:13,688 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:13,689 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:13,689 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:13,690 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:13,691 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:13,691 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:13,692 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:12:13,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:13,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:13,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:13,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:13,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:13,695 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:12:13,695 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:13,695 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:13,696 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:12:13,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:12:13,696 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_2407a798-caa9-4e8a-a625-760c56ad7551/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229b4ae6e93aadb4aefd05e13bc7f04c83c8dabedc8609cc262ac5e1869a6f94 [2023-11-24 23:12:14,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:14,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:14,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:14,117 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:14,118 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:14,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2023-11-24 23:12:17,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:17,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:17,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_31_bad.i [2023-11-24 23:12:17,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data/96df97d49/a5eabb49a07347719937121504c5089f/FLAG751024562 [2023-11-24 23:12:17,812 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/data/96df97d49/a5eabb49a07347719937121504c5089f [2023-11-24 23:12:17,815 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:17,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:17,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:17,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:17,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:17,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:17" (1/1) ... [2023-11-24 23:12:17,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@917fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:17, skipping insertion in model container [2023-11-24 23:12:17,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:17" (1/1) ... [2023-11-24 23:12:17,890 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:18,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:18,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:19,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:19,281 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:19,282 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:19,282 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:19,282 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:12:19,290 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:19,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19 WrapperNode [2023-11-24 23:12:19,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:19,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:19,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:19,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:19,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,353 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,392 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-11-24 23:12:19,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:19,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:19,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:19,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:19,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,433 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,446 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,463 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:19,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:19,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:19,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:19,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:19,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:19,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:19,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:19,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:19,568 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:12:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:12:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:12:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:12:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:12:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:12:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:12:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:12:19,737 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:19,739 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:19,932 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:12:19,980 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:12:19,980 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:12:19,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:19 BoogieIcfgContainer [2023-11-24 23:12:19,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:12:19,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:12:19,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:12:19,994 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:12:19,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:19" (1/1) ... [2023-11-24 23:12:20,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:12:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:20,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 23:12:20,069 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 23:12:20,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:12:20,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:20,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:12:20,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:12:20,082 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:12:20,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:12:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:20,325 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:12:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:20,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:12:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:12:20,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:12:20,669 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:12:20,697 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-11-24 23:12:20,700 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post99 could not be translated [2023-11-24 23:12:20,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:12:20 ImpRootNode [2023-11-24 23:12:20,704 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:12:20,705 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:12:20,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:12:20,706 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:12:20,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:12:19" (3/4) ... [2023-11-24 23:12:20,708 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:12:20,709 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:12:20,710 INFO L158 Benchmark]: Toolchain (without parser) took 2893.91ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 69.6MB in the beginning and 95.3MB in the end (delta: -25.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-24 23:12:20,711 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 96.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:20,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1473.96ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 69.3MB in the beginning and 93.8MB in the end (delta: -24.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-24 23:12:20,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.41ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 90.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:20,714 INFO L158 Benchmark]: Boogie Preprocessor took 73.51ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:12:20,715 INFO L158 Benchmark]: RCFGBuilder took 513.82ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 71.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:12:20,717 INFO L158 Benchmark]: CodeCheck took 721.60ms. Allocated memory is still 127.9MB. Free memory was 71.5MB in the beginning and 95.3MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:20,717 INFO L158 Benchmark]: Witness Printer took 4.32ms. Allocated memory is still 127.9MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:12:20,722 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, 12 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, 6 NumberOfCodeBlocks, 6 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: 1557]: 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 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_postdec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; [L1557] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={7:0}, dataCopy=-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 0.68ms. Allocated memory is still 96.5MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1473.96ms. Allocated memory was 96.5MB in the beginning and 127.9MB in the end (delta: 31.5MB). Free memory was 69.3MB in the beginning and 93.8MB in the end (delta: -24.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.41ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 90.4MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.51ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.82ms. Allocated memory is still 127.9MB. Free memory was 88.3MB in the beginning and 71.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 721.60ms. Allocated memory is still 127.9MB. Free memory was 71.5MB in the beginning and 95.3MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.32ms. Allocated memory is still 127.9MB. Free memory is still 95.3MB. 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~post99 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:12:20,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2407a798-caa9-4e8a-a625-760c56ad7551/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