./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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 f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:40:25,602 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:40:25,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:40:25,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:40:25,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:40:25,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:40:25,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:40:25,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:40:25,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:40:25,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:40:25,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:40:25,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:40:25,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:40:25,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:40:25,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:40:25,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:40:25,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:40:25,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:40:25,746 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:40:25,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:40:25,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:40:25,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:40:25,748 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:40:25,761 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:40:25,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:40:25,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:40:25,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:25,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:40:25,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:40:25,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:40:25,770 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:40:25,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:40:25,771 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_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce [2024-11-08 22:40:26,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:40:26,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:40:26,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:40:26,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:40:26,065 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:40:26,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i Unable to find full path for "g++" [2024-11-08 22:40:28,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:40:28,501 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:40:28,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-11-08 22:40:28,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data/b085ea679/f2bd278c242a43e6955a4dc576eabe51/FLAG9fdc16220 [2024-11-08 22:40:28,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data/b085ea679/f2bd278c242a43e6955a4dc576eabe51 [2024-11-08 22:40:28,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:40:28,540 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:40:28,542 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:28,542 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:40:28,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:40:28,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:28" (1/1) ... [2024-11-08 22:40:28,549 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49bb1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:28, skipping insertion in model container [2024-11-08 22:40:28,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:28" (1/1) ... [2024-11-08 22:40:28,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:40:29,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:29,627 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:40:29,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:29,956 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:40:29,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29 WrapperNode [2024-11-08 22:40:29,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:29,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:29,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:40:29,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:40:29,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:29,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,017 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-08 22:40:30,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:30,018 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:40:30,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:40:30,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:40:30,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,050 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:40:30,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:40:30,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:40:30,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:40:30,066 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:29" (1/1) ... [2024-11-08 22:40:30,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:30,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:40:30,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:40:30,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:40:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:40:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:40:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:40:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:40:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:40:30,276 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:40:30,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:40:30,399 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 22:40:30,399 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:40:30,459 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:40:30,459 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:40:30,460 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:30 BoogieIcfgContainer [2024-11-08 22:40:30,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:40:30,461 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:40:30,461 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:40:30,471 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:40:30,471 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:30" (1/1) ... [2024-11-08 22:40:30,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:40:30,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-08 22:40:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-08 22:40:30,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:40:30,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:30,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:40:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:30,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:30,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:30,926 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:40:30,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:40:30 ImpRootNode [2024-11-08 22:40:30,962 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:40:30,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:40:30,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:40:30,965 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:40:30,966 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:30" (3/4) ... [2024-11-08 22:40:30,969 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:40:30,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:40:30,972 INFO L158 Benchmark]: Toolchain (without parser) took 2431.74ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 79.0MB in the beginning and 113.8MB in the end (delta: -34.8MB). Peak memory consumption was 1.6MB. Max. memory is 16.1GB. [2024-11-08 22:40:30,973 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:30,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1415.62ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 79.0MB in the beginning and 94.5MB in the end (delta: -15.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-08 22:40:30,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.69ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 91.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:40:30,976 INFO L158 Benchmark]: Boogie Preprocessor took 38.98ms. Allocated memory is still 159.4MB. Free memory was 91.2MB in the beginning and 90.3MB in the end (delta: 821.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:30,977 INFO L158 Benchmark]: RCFGBuilder took 402.09ms. Allocated memory is still 159.4MB. Free memory was 90.3MB in the beginning and 75.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:40:30,978 INFO L158 Benchmark]: CodeCheck took 501.74ms. Allocated memory is still 159.4MB. Free memory was 75.2MB in the beginning and 113.8MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:30,979 INFO L158 Benchmark]: Witness Printer took 8.20ms. Allocated memory is still 159.4MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:30,981 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] data-- 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 0.31ms. Allocated memory is still 121.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1415.62ms. Allocated memory was 121.6MB in the beginning and 159.4MB in the end (delta: 37.7MB). Free memory was 79.0MB in the beginning and 94.5MB in the end (delta: -15.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.69ms. Allocated memory is still 159.4MB. Free memory was 94.5MB in the beginning and 91.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.98ms. Allocated memory is still 159.4MB. Free memory was 91.2MB in the beginning and 90.3MB in the end (delta: 821.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 402.09ms. Allocated memory is still 159.4MB. Free memory was 90.3MB in the beginning and 75.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 501.74ms. Allocated memory is still 159.4MB. Free memory was 75.2MB in the beginning and 113.8MB in the end (delta: -38.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.20ms. Allocated memory is still 159.4MB. Free memory is still 113.8MB. 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 22:40:31,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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 f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:40:33,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:40:33,559 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:40:33,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:40:33,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:40:33,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:40:33,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:40:33,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:40:33,606 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:40:33,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:40:33,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:40:33,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:40:33,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:40:33,611 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:40:33,611 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:40:33,612 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:40:33,612 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:40:33,612 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:40:33,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:40:33,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:40:33,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:40:33,616 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:40:33,616 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:40:33,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:40:33,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:40:33,618 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:33,618 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:40:33,618 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:40:33,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:33,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:40:33,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:40:33,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:40:33,620 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:40:33,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:33,620 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:40:33,621 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_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2fd5a75df0973ebd8fdc103918c1f5c27c26300bb53ee786eb7705ad396bfce [2024-11-08 22:40:34,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:40:34,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:40:34,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:40:34,075 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:40:34,075 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:40:34,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i Unable to find full path for "g++" [2024-11-08 22:40:36,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:40:36,980 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:40:36,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_bad.i [2024-11-08 22:40:37,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data/506a8eea1/af4eb532774740838f49677dee7ee45b/FLAGb797c56d0 [2024-11-08 22:40:37,051 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/data/506a8eea1/af4eb532774740838f49677dee7ee45b [2024-11-08 22:40:37,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:40:37,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:40:37,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:37,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:40:37,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:40:37,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:37" (1/1) ... [2024-11-08 22:40:37,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1294d026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:37, skipping insertion in model container [2024-11-08 22:40:37,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:40:37" (1/1) ... [2024-11-08 22:40:37,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:40:38,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:38,408 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:40:38,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:40:38,747 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:40:38,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38 WrapperNode [2024-11-08 22:40:38,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:40:38,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:38,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:40:38,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:40:38,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,795 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,822 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-08 22:40:38,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:40:38,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:40:38,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:40:38,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:40:38,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,839 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,839 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:40:38,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:40:38,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:40:38,859 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:40:38,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:40:38" (1/1) ... [2024-11-08 22:40:38,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:40:38,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:40:38,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:40:38,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:40:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:40:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:40:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:40:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:40:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:40:39,187 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:40:39,190 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:40:39,423 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 22:40:39,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:40:39,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:40:39,515 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:40:39,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:39 BoogieIcfgContainer [2024-11-08 22:40:39,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:40:39,516 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:40:39,516 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:40:39,530 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:40:39,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:39" (1/1) ... [2024-11-08 22:40:39,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:40:39,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:40:39,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-08 22:40:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-08 22:40:39,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 22:40:39,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:40:39,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:40:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:40:39,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:40:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:40:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:39,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:40,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:40:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:40:40,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:40:40,126 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:40:40,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:40:40 ImpRootNode [2024-11-08 22:40:40,163 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:40:40,164 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:40:40,166 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:40:40,167 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:40:40,167 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:40:39" (3/4) ... [2024-11-08 22:40:40,174 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:40:40,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:40:40,177 INFO L158 Benchmark]: Toolchain (without parser) took 3116.40ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.8MB in the beginning and 48.4MB in the end (delta: -8.7MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-08 22:40:40,177 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:40,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1684.53ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 59.0MB in the end (delta: -19.6MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-11-08 22:40:40,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.45ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 55.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:40:40,180 INFO L158 Benchmark]: Boogie Preprocessor took 34.78ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:40:40,181 INFO L158 Benchmark]: RCFGBuilder took 656.71ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 36.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:40:40,181 INFO L158 Benchmark]: CodeCheck took 647.03ms. Allocated memory is still 90.2MB. Free memory was 36.5MB in the beginning and 48.4MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:40,182 INFO L158 Benchmark]: Witness Printer took 11.59ms. Allocated memory is still 90.2MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:40:40,188 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, 20 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] 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) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_fscanf_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1563] case 7: [L1565] data-- 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 0.25ms. Allocated memory is still 67.1MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1684.53ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 59.0MB in the end (delta: -19.6MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.45ms. Allocated memory is still 90.2MB. Free memory was 59.0MB in the beginning and 55.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.78ms. Allocated memory is still 90.2MB. Free memory was 55.9MB in the beginning and 53.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.71ms. Allocated memory is still 90.2MB. Free memory was 53.8MB in the beginning and 36.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 647.03ms. Allocated memory is still 90.2MB. Free memory was 36.5MB in the beginning and 48.4MB in the end (delta: -11.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 11.59ms. Allocated memory is still 90.2MB. Free memory is still 48.4MB. 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 22:40:40,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c37fce0-bad1-4607-ac3e-b8de26ccfd26/bin/ukojak-verify-ImItNfHLgk/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