./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_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_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:19:57,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:19:57,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:19:57,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:19:57,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:19:57,206 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:19:57,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:19:57,207 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:19:57,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:19:57,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:19:57,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:19:57,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:19:57,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:19:57,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:19:57,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:19:57,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:19:57,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:19:57,213 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:19:57,213 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:19:57,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:19:57,214 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:19:57,215 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:19:57,216 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:19:57,216 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:19:57,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:19:57,217 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:19:57,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:19:57,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:19:57,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:19:57,219 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:19:57,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:19:57,220 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:19:57,220 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_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f [2023-12-03 04:19:57,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:19:57,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:19:57,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:19:57,472 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:19:57,472 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:19:57,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2023-12-03 04:20:00,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:20:00,457 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:20:00,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2023-12-03 04:20:00,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data/2ac27495a/bf386b04bdbb4533ba6376b5aa5486f4/FLAGb8ae00d8f [2023-12-03 04:20:00,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data/2ac27495a/bf386b04bdbb4533ba6376b5aa5486f4 [2023-12-03 04:20:00,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:20:00,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:20:00,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:00,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:20:00,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:20:00,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:00" (1/1) ... [2023-12-03 04:20:00,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b567f37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:00, skipping insertion in model container [2023-12-03 04:20:00,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:00" (1/1) ... [2023-12-03 04:20:00,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:20:01,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:01,306 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:20:01,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:01,482 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:01,482 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:01,482 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:01,482 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:01,488 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:20:01,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01 WrapperNode [2023-12-03 04:20:01,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:01,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:01,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:20:01,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:20:01,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,547 INFO L138 Inliner]: procedures = 502, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 56 [2023-12-03 04:20:01,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:01,548 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:20:01,548 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:20:01,548 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:20:01,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:20:01,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:20:01,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:20:01,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:20:01,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:01,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:20:01,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:20:01,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:20:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:20:01,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:20:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:20:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 04:20:01,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:20:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:20:01,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:20:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:20:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:20:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:20:01,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:20:01,817 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:20:01,819 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:20:01,932 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:20:01,967 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:20:01,967 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:20:01,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:01 BoogieIcfgContainer [2023-12-03 04:20:01,969 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:20:01,970 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:20:01,970 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:20:01,978 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:20:01,978 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:01" (1/1) ... [2023-12-03 04:20:01,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:20:02,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:20:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:20:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:20:02,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:02,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:20:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:02,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:20:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:02,266 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:20:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:02,301 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:20:02,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:20:02,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:20:02 ImpRootNode [2023-12-03 04:20:02,326 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:20:02,326 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:20:02,327 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:20:02,327 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:20:02,327 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:01" (3/4) ... [2023-12-03 04:20:02,330 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:20:02,331 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:20:02,332 INFO L158 Benchmark]: Toolchain (without parser) took 1831.79ms. Allocated memory is still 169.9MB. Free memory was 136.1MB in the beginning and 111.6MB in the end (delta: 24.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2023-12-03 04:20:02,332 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 85.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:20:02,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 987.91ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 72.5MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 04:20:02,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.77ms. Allocated memory is still 169.9MB. Free memory was 72.0MB in the beginning and 68.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:20:02,334 INFO L158 Benchmark]: Boogie Preprocessor took 26.75ms. Allocated memory is still 169.9MB. Free memory was 68.9MB in the beginning and 67.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:20:02,335 INFO L158 Benchmark]: RCFGBuilder took 393.93ms. Allocated memory is still 169.9MB. Free memory was 67.8MB in the beginning and 131.6MB in the end (delta: -63.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-12-03 04:20:02,336 INFO L158 Benchmark]: CodeCheck took 355.82ms. Allocated memory is still 169.9MB. Free memory was 131.6MB in the beginning and 112.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:20:02,336 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 169.9MB. Free memory was 112.6MB in the beginning and 111.6MB in the end (delta: 929.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:20:02,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1583]: 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 1559. 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); [L1559] 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) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={13:35}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-1073741825, data=-1073741825, 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 0.18ms. Allocated memory is still 117.4MB. Free memory was 85.7MB in the beginning and 85.7MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 987.91ms. Allocated memory is still 169.9MB. Free memory was 135.3MB in the beginning and 72.5MB in the end (delta: 62.8MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.77ms. Allocated memory is still 169.9MB. Free memory was 72.0MB in the beginning and 68.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.75ms. Allocated memory is still 169.9MB. Free memory was 68.9MB in the beginning and 67.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 393.93ms. Allocated memory is still 169.9MB. Free memory was 67.8MB in the beginning and 131.6MB in the end (delta: -63.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * CodeCheck took 355.82ms. Allocated memory is still 169.9MB. Free memory was 131.6MB in the beginning and 112.6MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 169.9MB. Free memory was 112.6MB in the beginning and 111.6MB in the end (delta: 929.3kB). 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~nondet102 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:20:02,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:20:04,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:20:04,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:20:04,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:20:04,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:20:04,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:20:04,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:20:04,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:20:04,347 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:20:04,348 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:20:04,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:20:04,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:20:04,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:20:04,349 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:20:04,350 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:20:04,350 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:20:04,351 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:20:04,351 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:20:04,352 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:20:04,352 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:20:04,353 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:20:04,353 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:20:04,353 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:20:04,354 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:20:04,354 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:04,355 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:20:04,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:20:04,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:04,356 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:20:04,356 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:20:04,356 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:20:04,357 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:20:04,357 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:04,357 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:20:04,358 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:20:04,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:20:04,358 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_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 953a3134eb01ee3b75ba84afc663039cc91e8f31b2732b9f48e80678672b789f [2023-12-03 04:20:04,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:20:04,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:20:04,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:20:04,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:20:04,671 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:20:04,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2023-12-03 04:20:07,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:20:07,807 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:20:07,808 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_54_bad.i [2023-12-03 04:20:07,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data/62b5101be/17346574f67b440aae5078f3fded7ccf/FLAGe0426c255 [2023-12-03 04:20:07,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/data/62b5101be/17346574f67b440aae5078f3fded7ccf [2023-12-03 04:20:07,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:20:07,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:20:07,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:07,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:20:07,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:20:07,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:07" (1/1) ... [2023-12-03 04:20:07,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bebbe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:07, skipping insertion in model container [2023-12-03 04:20:07,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:20:07" (1/1) ... [2023-12-03 04:20:07,919 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:20:08,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:08,679 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:20:08,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:20:08,910 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:08,911 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:08,911 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:08,911 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:20:08,919 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:20:08,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08 WrapperNode [2023-12-03 04:20:08,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:20:08,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:08,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:20:08,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:20:08,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:08,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:08,992 INFO L138 Inliner]: procedures = 507, calls = 64, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 55 [2023-12-03 04:20:08,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:20:08,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:20:08,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:20:08,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:20:09,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:20:09,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:20:09,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:20:09,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:20:09,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:20:08" (1/1) ... [2023-12-03 04:20:09,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:20:09,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:20:09,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:20:09,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:20:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:20:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:20:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:20:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:20:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:20:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:20:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:20:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:20:09,252 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:20:09,255 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:20:09,404 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:20:09,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:20:09,446 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 04:20:09,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:09 BoogieIcfgContainer [2023-12-03 04:20:09,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:20:09,449 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:20:09,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:20:09,459 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:20:09,459 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:09" (1/1) ... [2023-12-03 04:20:09,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:20:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:20:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 04:20:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 04:20:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:20:09,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:20:09,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:20:09,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:20:09,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:20:09,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:20:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:09,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:20:09,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:09,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:20:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:20:10,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:20:10,063 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 04:20:10,085 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 04:20:10,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:20:10 ImpRootNode [2023-12-03 04:20:10,092 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:20:10,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:20:10,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:20:10,093 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:20:10,093 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:20:09" (3/4) ... [2023-12-03 04:20:10,095 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:20:10,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:20:10,098 INFO L158 Benchmark]: Toolchain (without parser) took 2244.48ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 44.0MB in the beginning and 53.2MB in the end (delta: -9.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-12-03 04:20:10,098 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:20:10,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1065.56ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.8MB in the beginning and 40.0MB in the end (delta: 3.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-12-03 04:20:10,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.25ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 63.5MB in the end (delta: -23.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-12-03 04:20:10,100 INFO L158 Benchmark]: Boogie Preprocessor took 34.76ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:20:10,101 INFO L158 Benchmark]: RCFGBuilder took 419.80ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 44.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 04:20:10,101 INFO L158 Benchmark]: CodeCheck took 643.12ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 53.9MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:20:10,102 INFO L158 Benchmark]: Witness Printer took 3.99ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 53.2MB in the end (delta: 694.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:20:10,105 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: 0.6s, 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: 1583]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54_bad() [L1551] int data; [L1552] data = 0 [L1554] EXPR \read(data) [L1554] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54c_badSink(data) [L1572] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54d_badSink(data) [L1577] CALL CWE191_Integer_Underflow__int_fscanf_multiply_54e_badSink(data) [L1581] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1065.56ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 43.8MB in the beginning and 40.0MB in the end (delta: 3.8MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.25ms. Allocated memory is still 92.3MB. Free memory was 40.0MB in the beginning and 63.5MB in the end (delta: -23.6MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.76ms. Allocated memory is still 92.3MB. Free memory was 63.5MB in the beginning and 61.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.80ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 44.6MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 643.12ms. Allocated memory is still 92.3MB. Free memory was 44.1MB in the beginning and 53.9MB in the end (delta: -9.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.99ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 53.2MB in the end (delta: 694.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 04:20:10,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b40d51e7-fe3d-4d47-b202-bd9e8be33b9d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample