./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/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_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/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_0fac44f2-0da5-4786-bc51-59d317a04c4d/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 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:02:52,442 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:02:52,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:02:52,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:02:52,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:02:52,537 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:02:52,538 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:02:52,539 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:02:52,540 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:02:52,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:02:52,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:02:52,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:02:52,542 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:02:52,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:02:52,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:02:52,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:02:52,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:02:52,544 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:02:52,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:02:52,545 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:02:52,546 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:02:52,547 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:02:52,547 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:02:52,547 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:02:52,548 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:02:52,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:02:52,549 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:02:52,549 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:02:52,550 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:02:52,550 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:02:52,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:02:52,551 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:02:52,551 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_0fac44f2-0da5-4786-bc51-59d317a04c4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a [2023-12-03 03:02:52,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:02:52,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:02:52,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:02:52,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:02:52,804 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:02:52,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i [2023-12-03 03:02:55,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:02:55,908 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:02:55,908 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i [2023-12-03 03:02:55,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data/3085c4d60/899d6f7548c44346927e62e32146a217/FLAG351286629 [2023-12-03 03:02:55,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data/3085c4d60/899d6f7548c44346927e62e32146a217 [2023-12-03 03:02:55,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:02:55,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:02:55,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:02:55,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:02:55,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:02:55,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:02:55" (1/1) ... [2023-12-03 03:02:55,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@727ae608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:55, skipping insertion in model container [2023-12-03 03:02:55,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:02:55" (1/1) ... [2023-12-03 03:02:56,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:02:56,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:02:56,793 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:02:56,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:02:57,031 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:02:57,032 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:02:57,032 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:02:57,032 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:02:57,040 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:02:57,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57 WrapperNode [2023-12-03 03:02:57,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:02:57,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:02:57,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:02:57,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:02:57,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,094 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2023-12-03 03:02:57,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:02:57,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:02:57,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:02:57,095 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:02:57,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,115 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:02:57,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:02:57,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:02:57,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:02:57,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:02:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:02:57,148 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:02:57,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:02:57,181 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:02:57,181 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:02:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:02:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:02:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:02:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:02:57,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:02:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:02:57,182 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:02:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:02:57,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:02:57,300 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:02:57,301 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:02:57,403 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:02:57,446 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:02:57,446 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:02:57,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:02:57 BoogieIcfgContainer [2023-12-03 03:02:57,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:02:57,448 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:02:57,449 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:02:57,458 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:02:57,459 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:02:57" (1/1) ... [2023-12-03 03:02:57,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:02:57,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:02:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:02:57,511 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:02:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:02:57,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:02:57,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:02:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:02:57,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:02:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:02:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:02:57,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:02:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:02:57,787 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:02:57,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 03:02:57,809 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 03:02:57,809 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-03 03:02:57,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:02:57 ImpRootNode [2023-12-03 03:02:57,814 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:02:57,815 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:02:57,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:02:57,815 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:02:57,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:02:57" (3/4) ... [2023-12-03 03:02:57,818 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:02:57,819 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:02:57,820 INFO L158 Benchmark]: Toolchain (without parser) took 1867.00ms. Allocated memory is still 167.8MB. Free memory was 128.2MB in the beginning and 80.2MB in the end (delta: 48.0MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2023-12-03 03:02:57,821 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:02:57,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.36ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 120.0MB in the end (delta: 7.7MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. [2023-12-03 03:02:57,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.36ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 116.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:02:57,822 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 167.8MB. Free memory was 116.8MB in the beginning and 115.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:02:57,823 INFO L158 Benchmark]: RCFGBuilder took 330.14ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 100.1MB in the end (delta: 15.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:02:57,824 INFO L158 Benchmark]: CodeCheck took 365.69ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 81.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:02:57,824 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 167.8MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:02:57,827 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=16, argc=16, argv={14:19}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={10452:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={10452:0}, 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 0.23ms. Allocated memory is still 115.3MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.36ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 120.0MB in the end (delta: 7.7MB). Peak memory consumption was 62.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.36ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 116.8MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.90ms. Allocated memory is still 167.8MB. Free memory was 116.8MB in the beginning and 115.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 330.14ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 100.1MB in the end (delta: 15.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 365.69ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 81.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 167.8MB. Free memory was 81.2MB in the beginning and 80.2MB in the end (delta: 1.0MB). 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 Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:02:57,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/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_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/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_0fac44f2-0da5-4786-bc51-59d317a04c4d/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 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:02:59,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:02:59,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:02:59,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:02:59,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:02:59,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:02:59,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:02:59,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:02:59,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:02:59,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:02:59,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:02:59,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:02:59,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:02:59,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:02:59,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:02:59,867 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:02:59,867 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:02:59,868 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:02:59,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:02:59,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:02:59,869 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:02:59,870 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:02:59,871 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:02:59,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:02:59,872 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:59,872 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:02:59,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:02:59,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:02:59,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:02:59,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:02:59,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:02:59,875 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:02:59,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:02:59,876 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:02:59,876 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:02:59,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:02:59,876 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_0fac44f2-0da5-4786-bc51-59d317a04c4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e3f5d8530d53472ac05a458dbe3f4f7a7057a943c344c01e59d60fe264fed3a [2023-12-03 03:03:00,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:03:00,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:03:00,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:03:00,190 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:03:00,190 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:03:00,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i [2023-12-03 03:03:02,956 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:03:03,294 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:03:03,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_09_bad.i [2023-12-03 03:03:03,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data/dcce01c9a/9a2ec73bec3548cf8443de91ff2f184e/FLAGb775dff65 [2023-12-03 03:03:03,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/data/dcce01c9a/9a2ec73bec3548cf8443de91ff2f184e [2023-12-03 03:03:03,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:03:03,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:03:03,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:03,337 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:03:03,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:03:03,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:03" (1/1) ... [2023-12-03 03:03:03,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b10309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:03, skipping insertion in model container [2023-12-03 03:03:03,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:03:03" (1/1) ... [2023-12-03 03:03:03,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:03:04,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:04,167 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:03:04,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:03:04,408 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:04,408 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:04,409 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:04,409 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:03:04,417 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:03:04,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04 WrapperNode [2023-12-03 03:03:04,417 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:03:04,418 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:04,418 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:03:04,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:03:04,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,475 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2023-12-03 03:03:04,475 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:03:04,476 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:03:04,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:03:04,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:03:04,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,490 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:03:04,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:03:04,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:03:04,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:03:04,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:03:04,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:03:04,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:03:04,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:03:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:03:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:03:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:03:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:03:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:03:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:03:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:03:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:03:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:03:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:03:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:03:04,751 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:03:04,752 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:03:04,881 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:03:04,939 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:03:04,939 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:03:04,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:04 BoogieIcfgContainer [2023-12-03 03:03:04,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:03:04,942 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:03:04,942 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:03:04,950 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:03:04,950 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:04" (1/1) ... [2023-12-03 03:03:04,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:03:05,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:03:05,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-12-03 03:03:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-12-03 03:03:05,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:03:05,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:03:05,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:03:05,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:03:05,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:03:05,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:03:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:05,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:03:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:05,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:03:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:03:05,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:03:05,426 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-03 03:03:05,457 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 03:03:05,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 03:03:05,462 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-03 03:03:05,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:03:05 ImpRootNode [2023-12-03 03:03:05,467 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:03:05,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:03:05,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:03:05,468 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:03:05,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:03:04" (3/4) ... [2023-12-03 03:03:05,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:03:05,471 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:03:05,472 INFO L158 Benchmark]: Toolchain (without parser) took 2136.94ms. Allocated memory is still 90.2MB. Free memory was 63.2MB in the beginning and 60.5MB in the end (delta: 2.7MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-12-03 03:03:05,472 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:03:05,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1081.26ms. Allocated memory is still 90.2MB. Free memory was 63.0MB in the beginning and 44.8MB in the end (delta: 18.2MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-12-03 03:03:05,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.89ms. Allocated memory is still 90.2MB. Free memory was 44.8MB in the beginning and 41.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:03:05,474 INFO L158 Benchmark]: Boogie Preprocessor took 36.18ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 39.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:03:05,475 INFO L158 Benchmark]: RCFGBuilder took 428.70ms. Allocated memory is still 90.2MB. Free memory was 39.7MB in the beginning and 49.0MB in the end (delta: -9.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-12-03 03:03:05,476 INFO L158 Benchmark]: CodeCheck took 525.07ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 61.1MB in the end (delta: -12.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:03:05,476 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 60.5MB in the end (delta: 567.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:03:05,480 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE191_Integer_Underflow__int_fscanf_sub_09_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(GLOBAL_CONST_TRUE) [L1556] COND TRUE \read(GLOBAL_CONST_TRUE) [L1559] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, 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 0.22ms. Allocated memory is still 62.9MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1081.26ms. Allocated memory is still 90.2MB. Free memory was 63.0MB in the beginning and 44.8MB in the end (delta: 18.2MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.89ms. Allocated memory is still 90.2MB. Free memory was 44.8MB in the beginning and 41.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.18ms. Allocated memory is still 90.2MB. Free memory was 41.8MB in the beginning and 39.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.70ms. Allocated memory is still 90.2MB. Free memory was 39.7MB in the beginning and 49.0MB in the end (delta: -9.3MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * CodeCheck took 525.07ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 61.1MB in the end (delta: -12.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 60.5MB in the end (delta: 567.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-03 03:03:05,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fac44f2-0da5-4786-bc51-59d317a04c4d/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