./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk --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 d63785e916f6d0d146b109c29373db4ee3bb8fce372d97214f43ec3ccb7df783 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:07,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:07,682 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:08:07,687 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:08:07,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:08:07,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:07,727 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:07,727 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:07,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:07,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:07,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:07,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:07,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:08:07,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:07,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:07,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:07,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:07,734 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:07,734 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:08:07,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:08:07,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:07,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:07,738 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:07,739 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:07,739 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:07,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:07,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:07,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:07,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:07,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:07,747 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:08:07,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:08:07,747 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_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63785e916f6d0d146b109c29373db4ee3bb8fce372d97214f43ec3ccb7df783 [2024-11-08 22:08:08,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:08,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:08,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:08,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:08,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:08,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_11_bad.i Unable to find full path for "g++" [2024-11-08 22:08:10,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:10,707 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:10,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_11_bad.i [2024-11-08 22:08:10,742 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data/299c5ea26/fd2edd27cefb4becaedd997f7aaed414/FLAG8877c605a [2024-11-08 22:08:10,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data/299c5ea26/fd2edd27cefb4becaedd997f7aaed414 [2024-11-08 22:08:10,767 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:10,771 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:10,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:10,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:10,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:10,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:10" (1/1) ... [2024-11-08 22:08:10,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682b468f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:10, skipping insertion in model container [2024-11-08 22:08:10,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:10" (1/1) ... [2024-11-08 22:08:10,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:11,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:12,004 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:12,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:12,323 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:12,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12 WrapperNode [2024-11-08 22:08:12,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:12,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:12,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:12,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:12,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,415 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-08 22:08:12,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:12,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:12,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:12,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:12,425 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,425 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,453 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:12,455 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:12,455 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:12,455 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:12,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:12,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:12,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:12,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:08:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:08:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 22:08:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 22:08:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:08:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:08:12,692 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:12,695 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:12,892 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:12,892 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:12,948 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:12,949 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:12,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:12 BoogieIcfgContainer [2024-11-08 22:08:12,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:12,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:12,952 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:12,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:12,961 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:12" (1/1) ... [2024-11-08 22:08:12,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:13,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2024-11-08 22:08:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2024-11-08 22:08:13,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:08:13,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:13,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:08:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-08 22:08:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-08 22:08:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:08:13,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:13,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:13,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:13,660 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:13,708 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:08:13,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:08:13 ImpRootNode [2024-11-08 22:08:13,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:08:13,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:08:13,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:08:13,760 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:08:13,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:12" (3/4) ... [2024-11-08 22:08:13,763 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:08:13,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:08:13,766 INFO L158 Benchmark]: Toolchain (without parser) took 2995.15ms. Allocated memory was 117.4MB in the beginning and 178.3MB in the end (delta: 60.8MB). Free memory was 78.8MB in the beginning and 95.8MB in the end (delta: -17.0MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-11-08 22:08:13,767 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:13,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1551.98ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 50.9MB in the end (delta: 27.6MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-11-08 22:08:13,768 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.46ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:13,769 INFO L158 Benchmark]: Boogie Preprocessor took 37.61ms. Allocated memory was 117.4MB in the beginning and 178.3MB in the end (delta: 60.8MB). Free memory was 48.2MB in the beginning and 145.1MB in the end (delta: -96.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:13,770 INFO L158 Benchmark]: RCFGBuilder took 495.65ms. Allocated memory is still 178.3MB. Free memory was 145.1MB in the beginning and 129.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:08:13,771 INFO L158 Benchmark]: CodeCheck took 806.83ms. Allocated memory is still 178.3MB. Free memory was 129.4MB in the beginning and 95.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 22:08:13,771 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 178.3MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:13,774 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 3 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 20 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1556. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET 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] [L1578] CALL CWE191_Integer_Underflow__int_fgets_sub_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1566] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalReturnsTrue() [L1569] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1551.98ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 50.9MB in the end (delta: 27.6MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.46ms. Allocated memory is still 117.4MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.61ms. Allocated memory was 117.4MB in the beginning and 178.3MB in the end (delta: 60.8MB). Free memory was 48.2MB in the beginning and 145.1MB in the end (delta: -96.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.65ms. Allocated memory is still 178.3MB. Free memory was 145.1MB in the beginning and 129.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 806.83ms. Allocated memory is still 178.3MB. Free memory was 129.4MB in the beginning and 95.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 178.3MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:08:13,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_11_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk --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 d63785e916f6d0d146b109c29373db4ee3bb8fce372d97214f43ec3ccb7df783 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:08:16,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:08:16,360 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:08:16,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:08:16,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:08:16,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:08:16,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:08:16,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:08:16,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:08:16,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:08:16,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:08:16,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:08:16,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:08:16,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:08:16,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:08:16,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:08:16,418 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:08:16,419 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:08:16,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:08:16,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:08:16,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:08:16,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:08:16,424 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:08:16,425 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:08:16,425 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:08:16,425 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:16,426 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:08:16,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:08:16,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:16,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:08:16,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:08:16,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:08:16,427 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:08:16,429 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:16,430 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:08:16,431 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_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63785e916f6d0d146b109c29373db4ee3bb8fce372d97214f43ec3ccb7df783 [2024-11-08 22:08:16,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:08:16,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:08:16,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:08:16,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:08:16,889 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:08:16,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_11_bad.i Unable to find full path for "g++" [2024-11-08 22:08:19,024 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:08:19,458 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:08:19,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_11_bad.i [2024-11-08 22:08:19,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data/17ad84e91/e6f5b4ae7d6c42ecb613fa0c6e5c32da/FLAG98144376e [2024-11-08 22:08:19,508 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/data/17ad84e91/e6f5b4ae7d6c42ecb613fa0c6e5c32da [2024-11-08 22:08:19,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:08:19,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:08:19,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:19,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:08:19,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:08:19,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2928d030 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:19, skipping insertion in model container [2024-11-08 22:08:19,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:08:19" (1/1) ... [2024-11-08 22:08:19,600 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:08:20,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:20,759 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:08:20,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:08:21,131 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:08:21,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21 WrapperNode [2024-11-08 22:08:21,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:08:21,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:21,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:08:21,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:08:21,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,199 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-08 22:08:21,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:08:21,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:08:21,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:08:21,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:08:21,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:08:21,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:08:21,235 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:08:21,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:08:21,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:08:21,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:08:21,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:08:21,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:08:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:08:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:08:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-08 22:08:21,310 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-08 22:08:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:08:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:08:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:08:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:08:21,498 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:08:21,500 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:08:21,653 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:08:21,653 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:08:21,714 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:08:21,714 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:08:21,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:21 BoogieIcfgContainer [2024-11-08 22:08:21,715 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:08:21,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:08:21,716 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:08:21,726 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:08:21,727 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:21" (1/1) ... [2024-11-08 22:08:21,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:08:21,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-08 22:08:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-08 22:08:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:08:21,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:21,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:21,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:21,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:21,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:08:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:08:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:22,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 22:08:22,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:08:22,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:08:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2024-11-08 22:08:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2024-11-08 22:08:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:08:22,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:22,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:08:22,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:08:22,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:08:22,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:08:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:22,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:22,545 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:08:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:08:22,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:08:22,605 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:08:22,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:08:22 ImpRootNode [2024-11-08 22:08:22,647 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:08:22,648 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:08:22,648 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:08:22,648 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:08:22,649 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:08:21" (3/4) ... [2024-11-08 22:08:22,652 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:08:22,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:08:22,656 INFO L158 Benchmark]: Toolchain (without parser) took 3141.83ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.5MB in the beginning and 38.8MB in the end (delta: 10.6MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,656 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:22,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1619.07ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.2MB in the beginning and 66.0MB in the end (delta: -16.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.36ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 63.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,659 INFO L158 Benchmark]: Boogie Preprocessor took 32.86ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,660 INFO L158 Benchmark]: RCFGBuilder took 479.66ms. Allocated memory is still 98.6MB. Free memory was 61.2MB in the beginning and 43.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,662 INFO L158 Benchmark]: CodeCheck took 931.92ms. Allocated memory is still 98.6MB. Free memory was 43.0MB in the beginning and 38.8MB in the end (delta: 4.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-08 22:08:22,662 INFO L158 Benchmark]: Witness Printer took 5.87ms. Allocated memory is still 98.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:08:22,667 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 3 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 19 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 45 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1556. 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] RET 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] [L1578] CALL CWE191_Integer_Underflow__int_fgets_sub_11_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1552] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalReturnsTrue() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1566] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; [L1566] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalReturnsTrue() [L1569] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.34ms. Allocated memory is still 77.6MB. Free memory was 53.4MB in the beginning and 53.3MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1619.07ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 49.2MB in the beginning and 66.0MB in the end (delta: -16.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.36ms. Allocated memory is still 98.6MB. Free memory was 66.0MB in the beginning and 63.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.86ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 61.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.66ms. Allocated memory is still 98.6MB. Free memory was 61.2MB in the beginning and 43.0MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 931.92ms. Allocated memory is still 98.6MB. Free memory was 43.0MB in the beginning and 38.8MB in the end (delta: 4.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Witness Printer took 5.87ms. Allocated memory is still 98.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:08:22,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fbde279-7251-4ad6-8f83-242352d891e8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample