./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:58:01,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:58:01,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 21:58:01,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:58:01,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:58:01,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:58:01,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:58:01,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:58:01,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:58:01,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:58:01,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:58:01,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:58:01,346 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:58:01,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:58:01,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:58:01,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:58:01,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:58:01,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:58:01,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:58:01,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:58:01,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:58:01,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:58:01,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:58:01,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:58:01,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:58:01,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:01,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:58:01,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:58:01,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:58:01,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:58:01,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:58:01,355 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:58:01,355 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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca [2023-12-02 21:58:01,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:58:01,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:58:01,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:58:01,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:58:01,617 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:58:01,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2023-12-02 21:58:04,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:58:04,753 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:58:04,754 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2023-12-02 21:58:04,797 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data/cf23b7108/3d0faee736a547778ba38c99e33fc566/FLAG53afece87 [2023-12-02 21:58:04,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data/cf23b7108/3d0faee736a547778ba38c99e33fc566 [2023-12-02 21:58:04,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:58:04,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:58:04,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:04,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:58:04,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:58:04,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:04" (1/1) ... [2023-12-02 21:58:04,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c9f7206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:04, skipping insertion in model container [2023-12-02 21:58:04,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:04" (1/1) ... [2023-12-02 21:58:04,882 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:58:05,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:05,528 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:58:05,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:05,704 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:05,705 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:05,705 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:05,705 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:05,710 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:58:05,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05 WrapperNode [2023-12-02 21:58:05,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:05,712 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:05,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:58:05,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:58:05,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,742 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,765 INFO L138 Inliner]: procedures = 498, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2023-12-02 21:58:05,765 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:05,766 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:58:05,766 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:58:05,766 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:58:05,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,785 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:58:05,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:58:05,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:58:05,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:58:05,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:05" (1/1) ... [2023-12-02 21:58:05,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:05,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:58:05,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:58:05,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:58:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:58:05,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:58:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:58:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:58:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:58:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:58:05,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:58:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:58:05,857 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:58:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:58:05,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:58:05,977 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:58:05,979 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:58:06,090 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:58:06,128 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:58:06,128 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:58:06,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:06 BoogieIcfgContainer [2023-12-02 21:58:06,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:58:06,131 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:58:06,131 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:58:06,138 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:58:06,138 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:06" (1/1) ... [2023-12-02 21:58:06,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:58:06,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:58:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:58:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:58:06,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:06,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:06,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:06,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:06,451 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:58:06,469 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 21:58:06,472 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 21:58:06,473 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-12-02 21:58:06,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:58:06 ImpRootNode [2023-12-02 21:58:06,478 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:58:06,478 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:58:06,479 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:58:06,479 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:58:06,479 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:06" (3/4) ... [2023-12-02 21:58:06,481 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:58:06,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:58:06,484 INFO L158 Benchmark]: Toolchain (without parser) took 1670.95ms. Allocated memory is still 155.2MB. Free memory was 125.1MB in the beginning and 67.6MB in the end (delta: 57.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2023-12-02 21:58:06,484 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 119.5MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:06,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.39ms. Allocated memory is still 155.2MB. Free memory was 124.9MB in the beginning and 104.4MB in the end (delta: 20.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-12-02 21:58:06,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.56ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:06,486 INFO L158 Benchmark]: Boogie Preprocessor took 25.79ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:06,487 INFO L158 Benchmark]: RCFGBuilder took 337.74ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 86.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:58:06,487 INFO L158 Benchmark]: CodeCheck took 347.07ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 67.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 21:58:06,488 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 155.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:06,491 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: 0.3s, 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, 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1561] 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) [L1561] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=35, argc=35, argv={34:33}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8367:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8367:0}, 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 0.18ms. Allocated memory is still 119.5MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.39ms. Allocated memory is still 155.2MB. Free memory was 124.9MB in the beginning and 104.4MB in the end (delta: 20.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.56ms. Allocated memory is still 155.2MB. Free memory was 104.4MB in the beginning and 102.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.79ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.74ms. Allocated memory is still 155.2MB. Free memory was 100.2MB in the beginning and 86.5MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 347.07ms. Allocated memory is still 155.2MB. Free memory was 85.6MB in the beginning and 67.6MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.26ms. Allocated memory is still 155.2MB. Free memory is still 67.6MB. 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 [2023-12-02 21:58:06,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:58:08,408 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:58:08,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 21:58:08,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:58:08,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:58:08,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:58:08,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:58:08,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:58:08,507 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:58:08,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:58:08,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:58:08,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:58:08,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:58:08,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:58:08,511 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:58:08,511 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:58:08,512 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:58:08,512 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:58:08,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:58:08,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:58:08,514 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:58:08,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:58:08,515 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:58:08,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:58:08,516 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:08,516 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:58:08,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:58:08,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:08,518 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:58:08,518 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:58:08,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:58:08,519 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:58:08,519 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:08,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:58:08,519 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:58:08,520 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:58:08,520 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_872ceb79-3140-49f1-9185-ad71fcf8f5e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53188ff72b1ce95e48d25de4ce31cccbe9d156f2b92428a893dd412dbb1300ca [2023-12-02 21:58:08,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:58:08,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:58:08,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:58:08,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:58:08,836 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:58:08,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2023-12-02 21:58:11,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:58:11,983 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:58:11,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_01_bad.i [2023-12-02 21:58:12,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data/a881a6a95/95b9e7de49dc43ff9b1446cf8356672f/FLAGdaecb39b1 [2023-12-02 21:58:12,018 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/data/a881a6a95/95b9e7de49dc43ff9b1446cf8356672f [2023-12-02 21:58:12,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:58:12,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:58:12,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:12,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:58:12,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:58:12,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:12" (1/1) ... [2023-12-02 21:58:12,028 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140da4c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:12, skipping insertion in model container [2023-12-02 21:58:12,028 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:12" (1/1) ... [2023-12-02 21:58:12,075 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:58:12,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:12,812 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:58:12,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:13,060 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,061 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,061 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,061 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:58:13,068 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:58:13,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13 WrapperNode [2023-12-02 21:58:13,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:13,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:13,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:58:13,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:58:13,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,128 INFO L138 Inliner]: procedures = 503, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-12-02 21:58:13,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:13,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:58:13,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:58:13,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:58:13,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,143 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,143 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,154 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,159 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,166 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:58:13,167 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:58:13,167 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:58:13,167 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:58:13,168 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:13,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:58:13,202 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:58:13,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:58:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 21:58:13,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 21:58:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:58:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:58:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:58:13,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:58:13,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:58:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:58:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:58:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:58:13,245 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 21:58:13,392 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:58:13,394 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:58:13,529 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:58:13,572 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:58:13,572 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:58:13,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:13 BoogieIcfgContainer [2023-12-02 21:58:13,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:58:13,575 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:58:13,575 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:58:13,585 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:58:13,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:13" (1/1) ... [2023-12-02 21:58:13,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:58:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-12-02 21:58:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-12-02 21:58:13,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:58:13,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:13,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:58:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:58:13,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:58:13,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:58:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:13,819 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:13,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:58:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:58:14,029 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 21:58:14,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:58:14,039 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-12-02 21:58:14,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 21:58:14,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-02 21:58:14,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-12-02 21:58:14,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:58:14 ImpRootNode [2023-12-02 21:58:14,062 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:58:14,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:58:14,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:58:14,063 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:58:14,064 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:13" (3/4) ... [2023-12-02 21:58:14,066 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:58:14,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:58:14,067 INFO L158 Benchmark]: Toolchain (without parser) took 2045.72ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 62.8MB in the beginning and 63.6MB in the end (delta: -840.0kB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,068 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 90.2MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:14,068 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.51ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 62.5MB in the beginning and 102.8MB in the end (delta: -40.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,069 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.26ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 100.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,070 INFO L158 Benchmark]: Boogie Preprocessor took 36.89ms. Allocated memory is still 134.2MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,070 INFO L158 Benchmark]: RCFGBuilder took 407.32ms. Allocated memory is still 134.2MB. Free memory was 97.9MB in the beginning and 81.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,071 INFO L158 Benchmark]: CodeCheck took 487.65ms. Allocated memory is still 134.2MB. Free memory was 81.1MB in the beginning and 64.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 21:58:14,071 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 134.2MB. Free memory was 64.1MB in the beginning and 63.6MB in the end (delta: 470.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:58:14,075 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={7:0}, 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 0.20ms. Allocated memory is still 90.2MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.51ms. Allocated memory was 90.2MB in the beginning and 134.2MB in the end (delta: 44.0MB). Free memory was 62.5MB in the beginning and 102.8MB in the end (delta: -40.2MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.26ms. Allocated memory is still 134.2MB. Free memory was 102.8MB in the beginning and 100.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.89ms. Allocated memory is still 134.2MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 407.32ms. Allocated memory is still 134.2MB. Free memory was 97.9MB in the beginning and 81.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 487.65ms. Allocated memory is still 134.2MB. Free memory was 81.1MB in the beginning and 64.1MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 134.2MB. Free memory was 64.1MB in the beginning and 63.6MB in the end (delta: 470.5kB). 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 [2023-12-02 21:58:14,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_872ceb79-3140-49f1-9185-ad71fcf8f5e0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample