./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/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_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/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_665db3d3-b772-458d-9d01-1c849d5fb12f/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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:23:17,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:23:17,631 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:23:17,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:23:17,635 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:23:17,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:23:17,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:23:17,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:23:17,659 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:23:17,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:23:17,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:23:17,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:23:17,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:23:17,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:23:17,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:23:17,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:23:17,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:23:17,664 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:23:17,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:23:17,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:23:17,665 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:23:17,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:23:17,670 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:23:17,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:23:17,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:23:17,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:17,671 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:23:17,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:23:17,672 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:23:17,673 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:23:17,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:23:17,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:23:17,674 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_665db3d3-b772-458d-9d01-1c849d5fb12f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2023-12-03 01:23:17,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:23:17,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:23:17,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:23:17,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:23:17,950 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:23:17,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2023-12-03 01:23:20,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:23:21,207 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:23:21,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2023-12-03 01:23:21,231 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data/b394a7fa2/5a5d12ae39d44a3ab812898d30053232/FLAG7ff755631 [2023-12-03 01:23:21,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data/b394a7fa2/5a5d12ae39d44a3ab812898d30053232 [2023-12-03 01:23:21,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:23:21,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:23:21,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:21,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:23:21,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:23:21,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:21" (1/1) ... [2023-12-03 01:23:21,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123dd160 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:21, skipping insertion in model container [2023-12-03 01:23:21,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:21" (1/1) ... [2023-12-03 01:23:21,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:23:22,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:22,319 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:23:22,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:22,580 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:22,580 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:22,580 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:22,580 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:22,600 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:23:22,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22 WrapperNode [2023-12-03 01:23:22,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:22,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:22,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:23:22,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:23:22,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,652 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,684 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-12-03 01:23:22,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:22,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:23:22,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:23:22,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:23:22,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:23:22,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:23:22,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:23:22,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:23:22,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:22" (1/1) ... [2023-12-03 01:23:22,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:22,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:23:22,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:23:22,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:23:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:23:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:23:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:23:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 01:23:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:23:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:23:22,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:23:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:23:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:23:22,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 01:23:22,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:23:22,940 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:23:22,943 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:23:23,047 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:23:23,094 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:23:23,094 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:23:23,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:23 BoogieIcfgContainer [2023-12-03 01:23:23,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:23:23,098 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:23:23,098 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:23:23,110 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:23:23,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:23" (1/1) ... [2023-12-03 01:23:23,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:23:23,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:23,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 01:23:23,193 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 01:23:23,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:23:23,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:23,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:23:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:23,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:23:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:23,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:23:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:23,534 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:23:23,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-03 01:23:23,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:23:23 ImpRootNode [2023-12-03 01:23:23,566 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:23:23,567 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:23:23,568 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:23:23,568 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:23:23,568 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:23" (3/4) ... [2023-12-03 01:23:23,571 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:23:23,572 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:23:23,574 INFO L158 Benchmark]: Toolchain (without parser) took 2318.28ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 79.6MB in the beginning and 109.4MB in the end (delta: -29.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-12-03 01:23:23,574 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:23,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1344.13ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 79.3MB in the beginning and 147.0MB in the end (delta: -67.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-12-03 01:23:23,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.48ms. Allocated memory is still 186.6MB. Free memory was 147.0MB in the beginning and 143.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:23,577 INFO L158 Benchmark]: Boogie Preprocessor took 38.18ms. Allocated memory is still 186.6MB. Free memory was 143.9MB in the beginning and 141.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:23,578 INFO L158 Benchmark]: RCFGBuilder took 372.59ms. Allocated memory is still 186.6MB. Free memory was 141.8MB in the beginning and 128.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:23:23,578 INFO L158 Benchmark]: CodeCheck took 468.86ms. Allocated memory is still 186.6MB. Free memory was 128.1MB in the beginning and 109.4MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:23:23,579 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 186.6MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:23,583 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)=12, argc=12, argv={42:43}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; 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] [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 0.29ms. Allocated memory is still 94.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1344.13ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 79.3MB in the beginning and 147.0MB in the end (delta: -67.6MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.48ms. Allocated memory is still 186.6MB. Free memory was 147.0MB in the beginning and 143.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.18ms. Allocated memory is still 186.6MB. Free memory was 143.9MB in the beginning and 141.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.59ms. Allocated memory is still 186.6MB. Free memory was 141.8MB in the beginning and 128.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 468.86ms. Allocated memory is still 186.6MB. Free memory was 128.1MB in the beginning and 109.4MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 186.6MB. Free memory is still 109.4MB. 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 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 01:23:23,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/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_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/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_665db3d3-b772-458d-9d01-1c849d5fb12f/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 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:23:25,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:23:25,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 01:23:25,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:23:25,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:23:25,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:23:25,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:23:25,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:23:25,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:23:25,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:23:25,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:23:25,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:23:25,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:23:25,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:23:25,959 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:23:25,960 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:23:25,960 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:23:25,961 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:23:25,961 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:23:25,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:23:25,962 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:23:25,963 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:23:25,964 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:23:25,964 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:23:25,965 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:25,965 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:23:25,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:23:25,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:25,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:23:25,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:23:25,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:23:25,968 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:23:25,968 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:25,968 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:23:25,968 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:23:25,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:23:25,969 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_665db3d3-b772-458d-9d01-1c849d5fb12f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48022c7ae923980952e633cd169e406298c721deeb026b28e41a97cc97d47c9d [2023-12-03 01:23:26,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:23:26,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:23:26,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:23:26,278 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:23:26,278 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:23:26,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2023-12-03 01:23:29,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:23:29,568 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:23:29,569 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_31_bad.i [2023-12-03 01:23:29,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data/ad571bfc4/3c12914bef1a4a6b8baad7797d969bf9/FLAGf16c65ab7 [2023-12-03 01:23:29,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/data/ad571bfc4/3c12914bef1a4a6b8baad7797d969bf9 [2023-12-03 01:23:29,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:23:29,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:23:29,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:29,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:23:29,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:23:29,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:29" (1/1) ... [2023-12-03 01:23:29,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191833c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:29, skipping insertion in model container [2023-12-03 01:23:29,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:23:29" (1/1) ... [2023-12-03 01:23:29,708 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:23:30,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:30,570 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:23:30,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:23:30,800 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:30,800 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:30,800 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:30,801 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:23:30,809 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:23:30,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30 WrapperNode [2023-12-03 01:23:30,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:23:30,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:30,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:23:30,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:23:30,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,868 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-12-03 01:23:30,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:23:30,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:23:30,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:23:30,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:23:30,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,883 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,895 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,901 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:23:30,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:23:30,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:23:30,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:23:30,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:23:30" (1/1) ... [2023-12-03 01:23:30,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:23:30,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:23:30,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:23:30,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:23:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:23:31,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:23:31,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:23:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:23:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:23:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:23:31,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:23:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:23:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:23:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 01:23:31,001 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:23:31,184 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:23:31,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:23:31,355 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:23:31,408 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:23:31,409 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:23:31,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:31 BoogieIcfgContainer [2023-12-03 01:23:31,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:23:31,412 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:23:31,412 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:23:31,423 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:23:31,423 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:31" (1/1) ... [2023-12-03 01:23:31,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:23:31,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:23:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-03 01:23:31,492 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-03 01:23:31,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-03 01:23:31,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:23:31,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:23:31,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:23:31,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:23:31,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:23:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:31,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:23:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:31,940 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 01:23:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 01:23:32,017 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:23:32,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:23:32,024 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 01:23:32,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-03 01:23:32,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:23:32 ImpRootNode [2023-12-03 01:23:32,047 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:23:32,048 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:23:32,048 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:23:32,048 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:23:32,049 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:23:31" (3/4) ... [2023-12-03 01:23:32,051 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 01:23:32,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:23:32,053 INFO L158 Benchmark]: Toolchain (without parser) took 2428.63ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 50.9MB in the end (delta: 33.4MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,053 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:32,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.52ms. Allocated memory is still 111.1MB. Free memory was 83.9MB in the beginning and 46.4MB in the end (delta: 37.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.20ms. Allocated memory is still 111.1MB. Free memory was 46.4MB in the beginning and 43.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,055 INFO L158 Benchmark]: Boogie Preprocessor took 36.78ms. Allocated memory is still 111.1MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,055 INFO L158 Benchmark]: RCFGBuilder took 504.97ms. Allocated memory is still 111.1MB. Free memory was 41.6MB in the beginning and 68.4MB in the end (delta: -26.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,056 INFO L158 Benchmark]: CodeCheck took 634.91ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 51.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 01:23:32,057 INFO L158 Benchmark]: Witness Printer took 4.24ms. Allocated memory is still 111.1MB. Free memory was 51.3MB in the beginning and 50.9MB in the end (delta: 407.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:23:32,060 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: 0.6s, 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, 0.0s 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)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_31_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) [L1554] int dataCopy = data; [L1555] int data = dataCopy; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, dataCopy=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, 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 0.17ms. Allocated memory is still 65.0MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.52ms. Allocated memory is still 111.1MB. Free memory was 83.9MB in the beginning and 46.4MB in the end (delta: 37.5MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.20ms. Allocated memory is still 111.1MB. Free memory was 46.4MB in the beginning and 43.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.78ms. Allocated memory is still 111.1MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.97ms. Allocated memory is still 111.1MB. Free memory was 41.6MB in the beginning and 68.4MB in the end (delta: -26.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * CodeCheck took 634.91ms. Allocated memory is still 111.1MB. Free memory was 68.4MB in the beginning and 51.3MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.24ms. Allocated memory is still 111.1MB. Free memory was 51.3MB in the beginning and 50.9MB in the end (delta: 407.9kB). 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 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 01:23:32,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_665db3d3-b772-458d-9d01-1c849d5fb12f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample