./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_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_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 23:01:15,027 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-24 23:01:15,138 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf
[2023-11-24 23:01:15,148 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-24 23:01:15,149 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-11-24 23:01:15,195 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 23:01:15,196 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-24 23:01:15,197 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-11-24 23:01:15,198 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-24 23:01:15,204 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-24 23:01:15,205 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 23:01:15,206 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-24 23:01:15,206 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-24 23:01:15,208 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-24 23:01:15,208 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-24 23:01:15,209 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 23:01:15,209 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-24 23:01:15,210 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-24 23:01:15,210 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-24 23:01:15,211 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-24 23:01:15,211 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-24 23:01:15,212 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-24 23:01:15,213 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-24 23:01:15,213 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-24 23:01:15,214 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 23:01:15,214 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 23:01:15,215 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 23:01:15,215 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 23:01:15,215 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-24 23:01:15,216 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-11-24 23:01:15,217 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-24 23:01:15,218 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-24 23:01:15,218 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_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5
[2023-11-24 23:01:15,556 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 23:01:15,607 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 23:01:15,609 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 23:01:15,610 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-24 23:01:15,611 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-24 23:01:15,612 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i
[2023-11-24 23:01:18,846 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-24 23:01:19,333 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-24 23:01:19,338 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i
[2023-11-24 23:01:19,377 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data/3abec5e00/07703f0fb15641608d5bd1d634e67421/FLAG50cbd5a4d
[2023-11-24 23:01:19,397 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data/3abec5e00/07703f0fb15641608d5bd1d634e67421
[2023-11-24 23:01:19,403 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 23:01:19,406 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 23:01:19,410 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 23:01:19,410 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 23:01:19,416 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 23:01:19,419 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:19" (1/1) ...
[2023-11-24 23:01:19,421 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f328ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:19, skipping insertion in model container
[2023-11-24 23:01:19,422 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:19" (1/1) ...
[2023-11-24 23:01:19,518 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-24 23:01:20,757 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:01:20,775 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-24 23:01:20,982 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:01:21,136 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:21,136 WARN  L675               CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:21,136 WARN  L675               CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:21,137 WARN  L675               CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:21,145 INFO  L206         MainTranslator]: Completed translation
[2023-11-24 23:01:21,146 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21 WrapperNode
[2023-11-24 23:01:21,146 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 23:01:21,147 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 23:01:21,147 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 23:01:21,148 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 23:01:21,155 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,192 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,227 INFO  L138                Inliner]: procedures = 499, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 52
[2023-11-24 23:01:21,227 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 23:01:21,228 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 23:01:21,228 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 23:01:21,229 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 23:01:21,240 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,241 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,244 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,245 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,252 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,254 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,257 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,259 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,262 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 23:01:21,264 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 23:01:21,264 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 23:01:21,264 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-24 23:01:21,265 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,273 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 23:01:21,293 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3
[2023-11-24 23:01:21,309 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-24 23:01:21,337 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-24 23:01:21,382 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2023-11-24 23:01:21,382 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2023-11-24 23:01:21,383 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-24 23:01:21,385 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-24 23:01:21,385 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-24 23:01:21,386 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 23:01:21,386 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 23:01:21,386 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-24 23:01:21,387 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2023-11-24 23:01:21,387 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-24 23:01:21,387 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-24 23:01:21,648 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-24 23:01:21,650 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 23:01:21,851 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-24 23:01:21,923 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 23:01:21,924 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-24 23:01:21,926 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:21 BoogieIcfgContainer
[2023-11-24 23:01:21,926 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 23:01:21,927 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-24 23:01:21,928 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-24 23:01:21,966 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-24 23:01:21,966 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:21" (1/1) ...
[2023-11-24 23:01:21,977 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:01:22,037 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:01:22,047 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions.
[2023-11-24 23:01:22,048 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions.
[2023-11-24 23:01:22,053 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-24 23:01:22,054 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 23:01:22,054 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 23:01:22,328 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:22,329 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-24 23:01:22,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:22,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:22,539 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-24 23:01:22,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:22,594 WARN  L476      CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations.
[2023-11-24 23:01:22,626 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102
[2023-11-24 23:01:22,633 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:22 ImpRootNode
[2023-11-24 23:01:22,633 INFO  L131        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2023-11-24 23:01:22,634 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-24 23:01:22,634 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-24 23:01:22,634 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-24 23:01:22,635 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:21" (3/4) ...
[2023-11-24 23:01:22,637 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-24 23:01:22,639 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-24 23:01:22,640 INFO  L158              Benchmark]: Toolchain (without parser) took 3233.71ms. Allocated memory is still 142.6MB. Free memory was 98.2MB in the beginning and 89.5MB in the end (delta: 8.7MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB.
[2023-11-24 23:01:22,640 INFO  L158              Benchmark]: CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:01:22,641 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1736.42ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 72.8MB in the end (delta: 25.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB.
[2023-11-24 23:01:22,642 INFO  L158              Benchmark]: Boogie Procedure Inliner took 80.40ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 69.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-24 23:01:22,643 INFO  L158              Benchmark]: Boogie Preprocessor took 34.71ms. Allocated memory is still 142.6MB. Free memory was 69.3MB in the beginning and 67.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-24 23:01:22,644 INFO  L158              Benchmark]: RCFGBuilder took 662.68ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-24 23:01:22,645 INFO  L158              Benchmark]: CodeCheck took 705.78ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 89.8MB in the end (delta: -35.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:01:22,645 INFO  L158              Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 89.5MB in the end (delta: 286.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:01:22,650 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: 1554]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of large string literal at line 1570. 
Possible FailurePath: 
[L1522]             const int GLOBAL_CONST_TRUE = 1;
[L1523]             const int GLOBAL_CONST_FALSE = 0;
[L1524]             const int GLOBAL_CONST_FIVE = 5;
[L1525]             int globalTrue = 1;
[L1526]             int globalFalse = 0;
[L1527]             int globalFive = 5;
[L1546]             int globalArgc = 0;
[L1547]             char** globalArgv = ((void *)0);
[L1548]             static int badStatic = 0;
[L1570]  CALL       printLine("Calling bad()...")
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}]
[L1414]  COND TRUE  line != ((void *)0)
[L1570]  RET        printLine("Calling bad()...")
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={37:36}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1571]  CALL       CWE191_Integer_Underflow__int_fscanf_sub_21_bad()
[L1561]             int data;
[L1562]             data = 0
[L1564]             badStatic = 1
[L1565]  EXPR       \read(data)
[L1565]  CALL       badSink(data)
[L1551]  COND TRUE  \read(badStatic)
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554]             data - 1
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1736.42ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 72.8MB in the end (delta: 25.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 80.40ms. Allocated memory is still 142.6MB. Free memory was 72.8MB in the beginning and 69.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 34.71ms. Allocated memory is still 142.6MB. Free memory was 69.3MB in the beginning and 67.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 662.68ms. Allocated memory is still 142.6MB. Free memory was 67.9MB in the beginning and 53.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * CodeCheck took 705.78ms. Allocated memory is still 142.6MB. Free memory was 53.9MB in the beginning and 89.8MB in the end (delta: -35.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 4.90ms. Allocated memory is still 142.6MB. Free memory was 89.8MB in the beginning and 89.5MB in the end (delta: 286.0kB). 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
[2023-11-24 23:01:22,681 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 23:01:25,550 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-24 23:01:25,699 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf
[2023-11-24 23:01:25,760 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 23:01:25,762 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-24 23:01:25,763 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-11-24 23:01:25,764 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-24 23:01:25,765 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-24 23:01:25,766 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 23:01:25,772 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-24 23:01:25,772 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-24 23:01:25,773 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-24 23:01:25,773 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 23:01:25,775 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-24 23:01:25,776 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-24 23:01:25,776 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-11-24 23:01:25,777 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-24 23:01:25,777 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-24 23:01:25,778 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-24 23:01:25,779 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-24 23:01:25,779 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-24 23:01:25,781 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-11-24 23:01:25,781 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-11-24 23:01:25,782 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-11-24 23:01:25,782 INFO  L153        SettingsManager]:  * Command for calling external solver=cvc4 --incremental --print-success --lang smt
[2023-11-24 23:01:25,783 INFO  L153        SettingsManager]:  * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode
[2023-11-24 23:01:25,783 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 23:01:25,784 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 23:01:25,784 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 23:01:25,785 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 23:01:25,787 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-24 23:01:25,787 INFO  L153        SettingsManager]:  * Trace refinement strategy=WALRUS
[2023-11-24 23:01:25,787 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2023-11-24 23:01:25,788 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-24 23:01:25,788 INFO  L153        SettingsManager]:  * Use separate solver for trace checks=false
[2023-11-24 23:01:25,788 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-24 23:01:25,789 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_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bfc50aa81b2dfc20387f07d540ee4e534e5167b2aa039c88c4808b4ed988aa5
[2023-11-24 23:01:26,248 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 23:01:26,295 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 23:01:26,299 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 23:01:26,300 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-24 23:01:26,301 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-24 23:01:26,303 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i
[2023-11-24 23:01:29,626 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-24 23:01:30,088 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-24 23:01:30,088 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_21_bad.i
[2023-11-24 23:01:30,119 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data/0bd622ca8/f42124caa8f143d1839a51568f69d8c6/FLAG10381ba0c
[2023-11-24 23:01:30,139 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/data/0bd622ca8/f42124caa8f143d1839a51568f69d8c6
[2023-11-24 23:01:30,145 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 23:01:30,146 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 23:01:30,150 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 23:01:30,151 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 23:01:30,156 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 23:01:30,157 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:30" (1/1) ...
[2023-11-24 23:01:30,158 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7565c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:30, skipping insertion in model container
[2023-11-24 23:01:30,159 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:30" (1/1) ...
[2023-11-24 23:01:30,260 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-24 23:01:31,346 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:01:31,366 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-24 23:01:31,465 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 23:01:31,701 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:31,701 WARN  L675               CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:31,702 WARN  L675               CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:31,702 WARN  L675               CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 23:01:31,710 INFO  L206         MainTranslator]: Completed translation
[2023-11-24 23:01:31,710 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31 WrapperNode
[2023-11-24 23:01:31,710 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 23:01:31,712 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 23:01:31,712 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 23:01:31,712 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 23:01:31,719 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,746 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,772 INFO  L138                Inliner]: procedures = 504, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 51
[2023-11-24 23:01:31,772 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 23:01:31,773 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 23:01:31,773 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 23:01:31,773 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 23:01:31,783 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,783 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,787 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,788 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,798 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,800 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,803 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,805 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,810 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 23:01:31,811 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 23:01:31,811 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 23:01:31,811 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-24 23:01:31,812 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:31" (1/1) ...
[2023-11-24 23:01:31,818 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-11-24 23:01:31,833 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3
[2023-11-24 23:01:31,848 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-11-24 23:01:31,877 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-11-24 23:01:31,911 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2023-11-24 23:01:31,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2023-11-24 23:01:31,912 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-24 23:01:31,912 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-11-24 23:01:31,912 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-24 23:01:31,913 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 23:01:31,913 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 23:01:31,913 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2023-11-24 23:01:31,913 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-24 23:01:31,914 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2023-11-24 23:01:31,914 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2023-11-24 23:01:32,150 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-24 23:01:32,153 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 23:01:32,436 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-24 23:01:32,490 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 23:01:32,490 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-24 23:01:32,492 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:32 BoogieIcfgContainer
[2023-11-24 23:01:32,492 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 23:01:32,493 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-11-24 23:01:32,494 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-11-24 23:01:32,506 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-11-24 23:01:32,506 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:32" (1/1) ...
[2023-11-24 23:01:32,518 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 23:01:32,616 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-11-24 23:01:32,626 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions.
[2023-11-24 23:01:32,627 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions.
[2023-11-24 23:01:32,639 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-24 23:01:32,639 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-11-24 23:01:32,640 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2023-11-24 23:01:32,640 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/cvc4
[2023-11-24 23:01:32,647 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2023-11-24 23:01:32,673 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process
[2023-11-24 23:01:32,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:32,913 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-24 23:01:33,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:33,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:33,146 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-24 23:01:33,210 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-24 23:01:33,244 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0
[2023-11-24 23:01:33,244 WARN  L476      CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations.
[2023-11-24 23:01:33,279 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100
[2023-11-24 23:01:33,289 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:33 ImpRootNode
[2023-11-24 23:01:33,290 INFO  L131        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2023-11-24 23:01:33,293 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-24 23:01:33,294 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-24 23:01:33,294 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-24 23:01:33,295 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:32" (3/4) ...
[2023-11-24 23:01:33,298 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-24 23:01:33,300 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-24 23:01:33,301 INFO  L158              Benchmark]: Toolchain (without parser) took 3154.47ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 48.5MB in the beginning and 62.8MB in the end (delta: -14.3MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB.
[2023-11-24 23:01:33,302 INFO  L158              Benchmark]: CDTParser took 0.82ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:01:33,304 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1561.12ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 48.4MB in the beginning and 72.3MB in the end (delta: -23.9MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB.
[2023-11-24 23:01:33,305 INFO  L158              Benchmark]: Boogie Procedure Inliner took 60.89ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 69.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-24 23:01:33,306 INFO  L158              Benchmark]: Boogie Preprocessor took 37.29ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-24 23:01:33,307 INFO  L158              Benchmark]: RCFGBuilder took 681.66ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 50.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-11-24 23:01:33,308 INFO  L158              Benchmark]: CodeCheck took 796.30ms. Allocated memory is still 107.0MB. Free memory was 50.7MB in the beginning and 62.8MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:01:33,309 INFO  L158              Benchmark]: Witness Printer took 6.53ms. Allocated memory is still 107.0MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-24 23:01:33,319 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: overapproximation of large string literal at line 1570. 
Possible FailurePath: 
[L1522]             const int GLOBAL_CONST_TRUE = 1;
[L1523]             const int GLOBAL_CONST_FALSE = 0;
[L1524]             const int GLOBAL_CONST_FIVE = 5;
[L1525]             int globalTrue = 1;
[L1526]             int globalFalse = 0;
[L1527]             int globalFive = 5;
[L1546]             int globalArgc = 0;
[L1547]             char** globalArgv = ((void *)0);
[L1548]             static int badStatic = 0;
[L1570]  CALL       printLine("Calling bad()...")
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}]
[L1414]  COND TRUE  line != ((void *)0)
[L1570]  RET        printLine("Calling bad()...")
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1571]  CALL       CWE191_Integer_Underflow__int_fscanf_sub_21_bad()
[L1561]             int data;
[L1562]             data = 0
[L1564]             badStatic = 1
[L1565]  EXPR       \read(data)
[L1565]  CALL       badSink(data)
[L1551]  COND TRUE  \read(badStatic)
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1554]             data - 1
         VAL        [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=-2147483648, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.82ms. Allocated memory is still 75.5MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 79.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1561.12ms. Allocated memory was 75.5MB in the beginning and 107.0MB in the end (delta: 31.5MB). Free memory was 48.4MB in the beginning and 72.3MB in the end (delta: -23.9MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 60.89ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 69.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 37.29ms. Allocated memory is still 107.0MB. Free memory was 69.5MB in the beginning and 67.5MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 681.66ms. Allocated memory is still 107.0MB. Free memory was 67.5MB in the beginning and 50.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * CodeCheck took 796.30ms. Allocated memory is still 107.0MB. Free memory was 50.7MB in the beginning and 62.8MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 6.53ms. Allocated memory is still 107.0MB. Free memory is still 62.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: unknown boogie variable #t~nondet100
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-24 23:01:33,355 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_531e72b7-b765-4c64-a5ff-362d5ed28e57/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample