./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_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_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:30,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:30,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:12:30,682 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:30,683 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:30,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:30,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:30,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:30,726 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:30,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:30,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:30,733 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:30,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:30,736 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:30,736 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:30,737 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:30,737 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:30,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:30,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:30,739 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:30,740 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:30,741 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:30,741 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:30,742 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:30,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:30,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:30,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:30,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:30,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:30,744 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:30,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:30,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:30,746 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_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f [2023-11-24 22:12:31,050 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:31,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:31,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:31,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:31,078 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:31,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2023-11-24 22:12:34,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:34,701 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:34,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2023-11-24 22:12:34,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data/f94d4e6f0/06b0438f17e74d9f82425ce39efb9292/FLAG95b40428d [2023-11-24 22:12:34,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data/f94d4e6f0/06b0438f17e74d9f82425ce39efb9292 [2023-11-24 22:12:34,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:34,752 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:34,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:34,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:34,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:34,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:34" (1/1) ... [2023-11-24 22:12:34,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eb6f972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:34, skipping insertion in model container [2023-11-24 22:12:34,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:34" (1/1) ... [2023-11-24 22:12:34,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:36,039 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:36,050 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:36,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:36,286 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:36,286 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:36,286 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:36,287 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:36,294 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:36,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36 WrapperNode [2023-11-24 22:12:36,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:36,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:36,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:36,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:36,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,359 INFO L138 Inliner]: procedures = 498, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-24 22:12:36,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:36,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:36,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:36,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:36,371 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,392 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:36,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:36,393 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:36,393 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:36,394 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:36,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:36,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:36,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:36,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:36,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:36,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:36,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:36,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:36,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:36,682 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:36,685 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:36,806 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:36,873 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:36,873 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:12:36,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:36 BoogieIcfgContainer [2023-11-24 22:12:36,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:36,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:36,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:36,885 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:36,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:36" (1/1) ... [2023-11-24 22:12:36,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:36,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:36,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:12:36,952 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:12:36,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:12:36,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:36,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:37,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:37,355 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:37,408 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:12:37,445 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet104 [2023-11-24 22:12:37,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:12:37,449 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem100 could not be translated [2023-11-24 22:12:37,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:37 ImpRootNode [2023-11-24 22:12:37,458 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:37,459 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:37,460 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:37,461 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:37,461 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:36" (3/4) ... [2023-11-24 22:12:37,464 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:12:37,465 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:37,467 INFO L158 Benchmark]: Toolchain (without parser) took 2714.39ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 101.3MB in the beginning and 132.9MB in the end (delta: -31.6MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-11-24 22:12:37,467 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:37,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1541.51ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 101.0MB in the beginning and 119.3MB in the end (delta: -18.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2023-11-24 22:12:37,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.95ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 115.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:37,470 INFO L158 Benchmark]: Boogie Preprocessor took 31.82ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 114.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:37,471 INFO L158 Benchmark]: RCFGBuilder took 482.20ms. Allocated memory is still 176.2MB. Free memory was 114.3MB in the beginning and 98.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:12:37,471 INFO L158 Benchmark]: CodeCheck took 582.52ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 132.9MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:37,472 INFO L158 Benchmark]: Witness Printer took 6.92ms. Allocated memory is still 176.2MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:37,476 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: 0.5s, 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, 0.1s 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={14:16}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_18_bad() [L1550] int data; [L1551] data = 0 [L1558] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8859:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={8859:0}, 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 0.32ms. Allocated memory is still 138.4MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1541.51ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 101.0MB in the beginning and 119.3MB in the end (delta: -18.3MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.95ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 115.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.82ms. Allocated memory is still 176.2MB. Free memory was 115.6MB in the beginning and 114.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 482.20ms. Allocated memory is still 176.2MB. Free memory was 114.3MB in the beginning and 98.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 582.52ms. Allocated memory is still 176.2MB. Free memory was 98.9MB in the beginning and 132.9MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.92ms. Allocated memory is still 176.2MB. Free memory is still 132.9MB. 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~nondet104 - 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 [2023-11-24 22:12:37,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:40,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:40,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:12:40,456 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:40,459 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:40,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:40,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:40,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:40,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:40,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:40,468 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:40,468 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:40,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:40,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:40,471 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:12:40,471 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:12:40,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:40,472 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:12:40,473 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:40,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:40,473 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:40,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:40,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:40,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:40,476 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:40,476 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:40,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:40,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:40,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:40,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:40,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:40,480 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:12:40,480 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:40,480 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:40,481 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:12:40,481 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:40,481 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_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f [2023-11-24 22:12:40,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:40,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:40,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:40,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:40,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:40,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2023-11-24 22:12:44,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:44,696 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:44,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2023-11-24 22:12:44,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data/592ded697/2b1bb1b2e1a14680a405b785f92c016f/FLAGf03e97f48 [2023-11-24 22:12:44,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/data/592ded697/2b1bb1b2e1a14680a405b785f92c016f [2023-11-24 22:12:44,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:44,768 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:44,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:44,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:44,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:44,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:44" (1/1) ... [2023-11-24 22:12:44,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@579e8867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:44, skipping insertion in model container [2023-11-24 22:12:44,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:44" (1/1) ... [2023-11-24 22:12:44,880 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:46,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:46,056 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:46,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:46,362 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:46,362 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:46,363 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:46,363 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:46,371 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:46,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46 WrapperNode [2023-11-24 22:12:46,371 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:46,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:46,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:46,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:46,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,428 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,465 INFO L138 Inliner]: procedures = 503, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-24 22:12:46,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:46,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:46,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:46,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:46,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:46,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:46,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:46,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:46,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:46" (1/1) ... [2023-11-24 22:12:46,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:46,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:46,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:46,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:46,627 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:46,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:46,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:46,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:12:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:12:46,629 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:46,790 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:46,792 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:47,025 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:47,118 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:47,118 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:12:47,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:47 BoogieIcfgContainer [2023-11-24 22:12:47,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:47,124 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:47,124 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:47,134 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:47,134 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:47" (1/1) ... [2023-11-24 22:12:47,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:47,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:47,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-24 22:12:47,217 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-24 22:12:47,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:12:47,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:47,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:47,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:47,230 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:12:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:47,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:47,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:47,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:12:47,802 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:12:47,832 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:12:47,836 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:12:47,836 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-24 22:12:47,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:47 ImpRootNode [2023-11-24 22:12:47,841 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:47,843 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:47,843 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:47,843 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:47,844 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:47" (3/4) ... [2023-11-24 22:12:47,846 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:12:47,847 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:47,848 INFO L158 Benchmark]: Toolchain (without parser) took 3080.10ms. Allocated memory is still 102.8MB. Free memory was 73.9MB in the beginning and 64.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-24 22:12:47,849 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:47,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1600.18ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 71.7MB in the end (delta: 2.0MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:47,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.59ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 68.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:47,851 INFO L158 Benchmark]: Boogie Preprocessor took 61.04ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:47,852 INFO L158 Benchmark]: RCFGBuilder took 593.96ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 49.1MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:47,853 INFO L158 Benchmark]: CodeCheck took 717.10ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 64.9MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:47,854 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 102.8MB. Free memory is still 64.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:47,864 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_18_bad() [L1550] int data; [L1551] data = 0 [L1558] 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] [L1558] --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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1600.18ms. Allocated memory is still 102.8MB. Free memory was 73.7MB in the beginning and 71.7MB in the end (delta: 2.0MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.59ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 68.5MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.04ms. Allocated memory is still 102.8MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 593.96ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 49.1MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 717.10ms. Allocated memory is still 102.8MB. Free memory was 48.6MB in the beginning and 64.9MB in the end (delta: -16.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 102.8MB. Free memory is still 64.9MB. 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~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 [2023-11-24 22:12:47,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0a2071a-9827-4cfc-8982-fd8e466634d4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample