./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_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_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/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_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/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_48434e1d-2a0a-476e-b56f-163503aac1b0/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 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:15:59,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:15:59,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:15:59,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:15:59,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:15:59,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:15:59,203 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:15:59,204 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:15:59,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:15:59,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:15:59,206 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:15:59,206 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:15:59,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:15:59,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:15:59,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:15:59,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:15:59,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:15:59,209 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:15:59,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:15:59,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:15:59,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:15:59,212 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:15:59,212 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:15:59,212 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:15:59,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:15:59,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:15:59,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:15:59,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:15:59,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:15:59,215 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:15:59,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:15:59,216 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:15:59,216 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_48434e1d-2a0a-476e-b56f-163503aac1b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2023-12-02 21:15:59,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:15:59,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:15:59,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:15:59,485 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:15:59,486 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:15:59,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-12-02 21:16:02,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:02,533 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:02,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-12-02 21:16:02,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data/3d58be5c1/a738e1558ae84116b1955e25dac3b6cf/FLAG9e0eb6a25 [2023-12-02 21:16:02,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data/3d58be5c1/a738e1558ae84116b1955e25dac3b6cf [2023-12-02 21:16:02,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:02,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:02,581 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:02,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:02,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:02,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:02" (1/1) ... [2023-12-02 21:16:02,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d56ef96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:02, skipping insertion in model container [2023-12-02 21:16:02,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:02" (1/1) ... [2023-12-02 21:16:02,693 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:03,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:03,354 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:03,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:03,525 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:03,526 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:03,526 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:03,526 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:03,532 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:03,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03 WrapperNode [2023-12-02 21:16:03,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:03,533 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:03,533 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:03,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:03,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,587 INFO L138 Inliner]: procedures = 499, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2023-12-02 21:16:03,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:03,588 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:03,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:03,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:03,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:03,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:03,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:03,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:03,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:03" (1/1) ... [2023-12-02 21:16:03,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:03,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:03,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:03,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:16:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:16:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:16:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:16:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:16:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:16:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:16:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:16:03,833 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:03,835 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:03,960 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:04,008 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:16:04,008 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:16:04,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:04 BoogieIcfgContainer [2023-12-02 21:16:04,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:16:04,011 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:16:04,011 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:16:04,019 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:16:04,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:04" (1/1) ... [2023-12-02 21:16:04,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:16:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:16:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:16:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:16:04,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:04,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:16:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:04,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:16:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:04,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:16:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:04,405 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:16:04,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-02 21:16:04,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-12-02 21:16:04,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 21:16:04,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:16:04 ImpRootNode [2023-12-02 21:16:04,433 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:16:04,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:16:04,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:16:04,434 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:16:04,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:04" (3/4) ... [2023-12-02 21:16:04,436 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:16:04,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:16:04,439 INFO L158 Benchmark]: Toolchain (without parser) took 1858.75ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 90.4MB in the end (delta: 12.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:04,439 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:04,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 951.33ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 59.9MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 21:16:04,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.67ms. Allocated memory is still 148.9MB. Free memory was 59.9MB in the beginning and 56.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:16:04,441 INFO L158 Benchmark]: Boogie Preprocessor took 27.46ms. Allocated memory is still 148.9MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:04,441 INFO L158 Benchmark]: RCFGBuilder took 393.48ms. Allocated memory is still 148.9MB. Free memory was 55.1MB in the beginning and 116.4MB in the end (delta: -61.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-12-02 21:16:04,442 INFO L158 Benchmark]: CodeCheck took 422.41ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 91.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 21:16:04,443 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 148.9MB. Free memory was 91.2MB in the beginning and 90.4MB in the end (delta: 837.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:04,446 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: 1573]: 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 1565. 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); [L1565] 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) [L1565] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={16:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={32289:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 109.1MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 951.33ms. Allocated memory is still 148.9MB. Free memory was 102.7MB in the beginning and 59.9MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.67ms. Allocated memory is still 148.9MB. Free memory was 59.9MB in the beginning and 56.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.46ms. Allocated memory is still 148.9MB. Free memory was 56.7MB in the beginning and 55.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 393.48ms. Allocated memory is still 148.9MB. Free memory was 55.1MB in the beginning and 116.4MB in the end (delta: -61.3MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * CodeCheck took 422.41ms. Allocated memory is still 148.9MB. Free memory was 115.6MB in the beginning and 91.2MB in the end (delta: 24.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 148.9MB. Free memory was 91.2MB in the beginning and 90.4MB in the end (delta: 837.0kB). 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~nondet103 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - 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 [2023-12-02 21:16:04,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/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_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/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_48434e1d-2a0a-476e-b56f-163503aac1b0/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 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:16:06,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:16:06,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:16:06,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:16:06,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:16:06,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:16:06,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:16:06,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:16:06,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:16:06,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:16:06,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:16:06,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:16:06,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:16:06,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:16:06,580 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:16:06,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:16:06,582 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:16:06,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:16:06,583 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:16:06,584 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:16:06,584 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:16:06,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:16:06,585 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:16:06,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:16:06,586 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:16:06,587 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:16:06,588 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:16:06,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:06,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:16:06,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:16:06,590 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:16:06,590 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:16:06,590 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:16:06,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:16:06,591 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:16:06,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:16:06,592 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_48434e1d-2a0a-476e-b56f-163503aac1b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739bee8258ab8b94b00ba8f60bdeec1e1312a82dc685a101b2856312a82bcf76 [2023-12-02 21:16:06,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:16:06,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:16:06,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:16:06,906 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:16:06,907 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:16:06,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-12-02 21:16:09,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:16:10,100 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:16:10,101 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_67_bad.i [2023-12-02 21:16:10,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data/62a801232/2da54a61e38b41dfa7427a5b78af17a0/FLAG53a19d480 [2023-12-02 21:16:10,144 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/data/62a801232/2da54a61e38b41dfa7427a5b78af17a0 [2023-12-02 21:16:10,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:16:10,148 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:16:10,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:10,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:16:10,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:16:10,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:10" (1/1) ... [2023-12-02 21:16:10,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be51aff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:10, skipping insertion in model container [2023-12-02 21:16:10,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:16:10" (1/1) ... [2023-12-02 21:16:10,225 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:16:11,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:11,109 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:16:11,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:16:11,343 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:11,344 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:11,344 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:11,344 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:16:11,353 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:16:11,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11 WrapperNode [2023-12-02 21:16:11,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:16:11,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:11,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:16:11,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:16:11,363 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,423 INFO L138 Inliner]: procedures = 504, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-12-02 21:16:11,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:16:11,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:16:11,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:16:11,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:16:11,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,439 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,439 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:16:11,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:16:11,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:16:11,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:16:11,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:16:11" (1/1) ... [2023-12-02 21:16:11,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:16:11,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:16:11,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:16:11,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:16:11,547 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:16:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:16:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:16:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:16:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:16:11,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:16:11,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:16:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:16:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:16:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:16:11,549 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:16:11,726 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:16:11,729 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:16:12,039 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:16:12,078 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:16:12,078 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:16:12,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:12 BoogieIcfgContainer [2023-12-02 21:16:12,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:16:12,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:16:12,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:16:12,091 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:16:12,091 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:12" (1/1) ... [2023-12-02 21:16:12,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:16:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:16:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:16:12,152 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:16:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:16:12,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:16:12,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:16:12,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:16:12,158 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:16:12,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:16:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:12,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:16:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:12,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:16:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:16:13,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:16:13,126 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:16:13,150 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 21:16:13,152 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst [2023-12-02 21:16:13,154 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-12-02 21:16:13,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:16:13 ImpRootNode [2023-12-02 21:16:13,159 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:16:13,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:16:13,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:16:13,160 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:16:13,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:16:12" (3/4) ... [2023-12-02 21:16:13,162 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:16:13,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:16:13,164 INFO L158 Benchmark]: Toolchain (without parser) took 3015.72ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 66.9MB in the beginning and 85.7MB in the end (delta: -18.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-12-02 21:16:13,165 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:13,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1203.67ms. Allocated memory is still 94.4MB. Free memory was 66.7MB in the beginning and 51.1MB in the end (delta: 15.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2023-12-02 21:16:13,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.09ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 48.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:13,166 INFO L158 Benchmark]: Boogie Preprocessor took 39.35ms. Allocated memory is still 94.4MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:13,167 INFO L158 Benchmark]: RCFGBuilder took 616.29ms. Allocated memory is still 94.4MB. Free memory was 46.0MB in the beginning and 56.2MB in the end (delta: -10.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-12-02 21:16:13,168 INFO L158 Benchmark]: CodeCheck took 1077.81ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 56.2MB in the beginning and 86.4MB in the end (delta: -30.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 21:16:13,168 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 117.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:16:13,172 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: 1.0s, 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, 0.4s 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: 1573]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_sub_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_sub_67_structType myStruct; [L1557] data = 0 [L1559] EXPR \read(data) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, myStruct={2305843009213693955:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 69.2MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1203.67ms. Allocated memory is still 94.4MB. Free memory was 66.7MB in the beginning and 51.1MB in the end (delta: 15.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.09ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 48.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.35ms. Allocated memory is still 94.4MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.29ms. Allocated memory is still 94.4MB. Free memory was 46.0MB in the beginning and 56.2MB in the end (delta: -10.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * CodeCheck took 1077.81ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 56.2MB in the beginning and 86.4MB in the end (delta: -30.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 117.4MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #in~myStruct!structFirst - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~myStruct!structFirst has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - 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 [2023-12-02 21:16:13,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48434e1d-2a0a-476e-b56f-163503aac1b0/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