./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_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_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/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_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/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_3b42d7b8-9997-4181-9a7a-829f270033cf/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 131cc8ad72787fa3e13b64ab6500ecbe5863262e4aabab39c2c887dfbccea1a2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:20:52,692 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:20:52,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:20:52,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:20:52,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:20:52,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:20:52,853 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:20:52,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:20:52,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:20:52,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:20:52,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:20:52,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:20:52,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:20:52,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:20:52,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:20:52,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:20:52,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:20:52,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:20:52,865 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:20:52,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:20:52,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:20:52,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:20:52,866 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:20:52,867 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:20:52,871 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:20:52,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:20:52,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:52,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:20:52,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:20:52,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:20:52,873 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:20:52,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:20:52,874 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_3b42d7b8-9997-4181-9a7a-829f270033cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 131cc8ad72787fa3e13b64ab6500ecbe5863262e4aabab39c2c887dfbccea1a2 [2024-11-08 22:20:53,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:20:53,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:20:53,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:20:53,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:20:53,252 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:20:53,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_bad.i Unable to find full path for "g++" [2024-11-08 22:20:55,511 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:20:55,933 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:20:55,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_bad.i [2024-11-08 22:20:55,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data/206696647/0b1c6c396e184e4cb123dc84261997b5/FLAGe3cfcf89f [2024-11-08 22:20:55,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data/206696647/0b1c6c396e184e4cb123dc84261997b5 [2024-11-08 22:20:55,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:20:55,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:20:55,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:55,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:20:56,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:20:56,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:55" (1/1) ... [2024-11-08 22:20:56,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5e2874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:56, skipping insertion in model container [2024-11-08 22:20:56,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:20:55" (1/1) ... [2024-11-08 22:20:56,082 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:20:57,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:57,367 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:20:57,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:20:57,754 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:20:57,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57 WrapperNode [2024-11-08 22:20:57,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:20:57,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:57,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:20:57,757 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:20:57,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,815 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-08 22:20:57,817 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:20:57,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:20:57,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:20:57,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:20:57,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:20:57,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:20:57,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:20:57,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:20:57,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:20:57" (1/1) ... [2024-11-08 22:20:57,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:20:57,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:20:57,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:20:57,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:20:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:20:57,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:20:57,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:20:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:20:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:20:57,913 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-08 22:20:57,913 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-08 22:20:58,064 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:20:58,067 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:20:58,177 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 22:20:58,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:20:58,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:20:58,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:20:58,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:58 BoogieIcfgContainer [2024-11-08 22:20:58,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:20:58,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:20:58,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:20:58,270 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:20:58,271 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:58" (1/1) ... [2024-11-08 22:20:58,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:20:58,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-08 22:20:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-08 22:20:58,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:20:58,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:58,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:20:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:58,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:20:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:58,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:20:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:20:58,714 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:20:58,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:20:58 ImpRootNode [2024-11-08 22:20:58,766 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:20:58,768 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:20:58,769 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:20:58,769 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:20:58,771 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:20:58" (3/4) ... [2024-11-08 22:20:58,776 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:20:58,777 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:20:58,779 INFO L158 Benchmark]: Toolchain (without parser) took 2786.21ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 113.7MB in the beginning and 136.6MB in the end (delta: -22.9MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-08 22:20:58,780 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 157.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:58,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1761.57ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 113.2MB in the beginning and 173.4MB in the end (delta: -60.2MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. [2024-11-08 22:20:58,782 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.40ms. Allocated memory is still 218.1MB. Free memory was 173.4MB in the beginning and 170.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:20:58,783 INFO L158 Benchmark]: Boogie Preprocessor took 24.74ms. Allocated memory is still 218.1MB. Free memory was 170.2MB in the beginning and 169.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:58,785 INFO L158 Benchmark]: RCFGBuilder took 412.53ms. Allocated memory is still 218.1MB. Free memory was 169.2MB in the beginning and 153.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:20:58,786 INFO L158 Benchmark]: CodeCheck took 509.09ms. Allocated memory is still 218.1MB. Free memory was 153.4MB in the beginning and 136.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:20:58,789 INFO L158 Benchmark]: Witness Printer took 9.43ms. Allocated memory is still 218.1MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:20:58,793 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, 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, 15 NumberOfCodeBlocks, 15 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: 1567]: 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 1575. 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); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_fscanf_sub_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] 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 0.40ms. Allocated memory is still 157.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1761.57ms. Allocated memory was 157.3MB in the beginning and 218.1MB in the end (delta: 60.8MB). Free memory was 113.2MB in the beginning and 173.4MB in the end (delta: -60.2MB). Peak memory consumption was 70.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.40ms. Allocated memory is still 218.1MB. Free memory was 173.4MB in the beginning and 170.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.74ms. Allocated memory is still 218.1MB. Free memory was 170.2MB in the beginning and 169.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 412.53ms. Allocated memory is still 218.1MB. Free memory was 169.2MB in the beginning and 153.4MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 509.09ms. Allocated memory is still 218.1MB. Free memory was 153.4MB in the beginning and 136.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 9.43ms. Allocated memory is still 218.1MB. Free memory is still 136.6MB. 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 22:20:58,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/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 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_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/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_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/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_3b42d7b8-9997-4181-9a7a-829f270033cf/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 131cc8ad72787fa3e13b64ab6500ecbe5863262e4aabab39c2c887dfbccea1a2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:01,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:01,801 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:21:01,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:01,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:01,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:01,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:01,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:01,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:01,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:01,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:01,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:01,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:01,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:01,855 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:21:01,855 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:21:01,856 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:01,856 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:21:01,857 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:21:01,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:21:01,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:01,861 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:01,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:01,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:01,862 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:01,862 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:01,862 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:21:01,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:01,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:01,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:01,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:01,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:01,865 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:21:01,865 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:01,866 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:21:01,866 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_3b42d7b8-9997-4181-9a7a-829f270033cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 131cc8ad72787fa3e13b64ab6500ecbe5863262e4aabab39c2c887dfbccea1a2 [2024-11-08 22:21:02,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:02,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:02,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:02,362 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:02,362 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:02,364 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_bad.i Unable to find full path for "g++" [2024-11-08 22:21:04,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:05,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:05,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_08_bad.i [2024-11-08 22:21:05,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data/4801aa804/5218a02d788d49b5b275ab469e7007c3/FLAGae3037953 [2024-11-08 22:21:05,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/data/4801aa804/5218a02d788d49b5b275ab469e7007c3 [2024-11-08 22:21:05,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:05,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:05,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:05,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:05,106 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:05,108 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:05" (1/1) ... [2024-11-08 22:21:05,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40decaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:05, skipping insertion in model container [2024-11-08 22:21:05,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:05" (1/1) ... [2024-11-08 22:21:05,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:21:06,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:06,373 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:21:06,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:21:06,716 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:21:06,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06 WrapperNode [2024-11-08 22:21:06,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:06,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:06,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:21:06,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:21:06,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,802 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-08 22:21:06,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:21:06,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:21:06,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:21:06,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:21:06,814 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,821 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,822 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,841 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:21:06,842 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:21:06,842 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:21:06,842 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:21:06,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:06" (1/1) ... [2024-11-08 22:21:06,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:06,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:21:06,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:21:06,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:21:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:21:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:21:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:21:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:21:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:21:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-08 22:21:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-08 22:21:07,107 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:21:07,109 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:21:07,253 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 22:21:07,253 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:21:07,339 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:21:07,340 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:21:07,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:07 BoogieIcfgContainer [2024-11-08 22:21:07,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:21:07,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:21:07,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:21:07,354 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:21:07,354 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:07" (1/1) ... [2024-11-08 22:21:07,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:21:07,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-11-08 22:21:07,430 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-11-08 22:21:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:21:07,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:07,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:07,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:07,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:07,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:21:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:07,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:21:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:07,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:21:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:21:07,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:07,868 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:21:07,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:21:07 ImpRootNode [2024-11-08 22:21:07,909 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:21:07,909 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:21:07,909 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:21:07,910 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:21:07,910 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:21:07" (3/4) ... [2024-11-08 22:21:07,914 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:21:07,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:21:07,917 INFO L158 Benchmark]: Toolchain (without parser) took 2820.95ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 41.4MB in the beginning and 51.7MB in the end (delta: -10.3MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-08 22:21:07,917 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:21:07,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1618.34ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 41.1MB in the beginning and 51.2MB in the end (delta: -10.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-08 22:21:07,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.03ms. Allocated memory is still 111.1MB. Free memory was 51.2MB in the beginning and 48.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:21:07,920 INFO L158 Benchmark]: Boogie Preprocessor took 37.97ms. Allocated memory is still 111.1MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:21:07,921 INFO L158 Benchmark]: RCFGBuilder took 498.43ms. Allocated memory is still 111.1MB. Free memory was 46.1MB in the beginning and 67.8MB in the end (delta: -21.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-11-08 22:21:07,921 INFO L158 Benchmark]: CodeCheck took 564.85ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 52.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:21:07,922 INFO L158 Benchmark]: Witness Printer took 6.32ms. Allocated memory is still 111.1MB. Free memory was 52.4MB in the beginning and 51.7MB in the end (delta: 670.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:21:07,927 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 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: 1567]: 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 1575. 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); [L1575] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_fscanf_sub_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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] [L1560] COND TRUE staticReturnsTrue() [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() 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] [L1564] COND TRUE staticReturnsTrue() [L1567] 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 0.35ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 44.9MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1618.34ms. Allocated memory was 69.2MB in the beginning and 111.1MB in the end (delta: 41.9MB). Free memory was 41.1MB in the beginning and 51.2MB in the end (delta: -10.1MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.03ms. Allocated memory is still 111.1MB. Free memory was 51.2MB in the beginning and 48.2MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.97ms. Allocated memory is still 111.1MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.43ms. Allocated memory is still 111.1MB. Free memory was 46.1MB in the beginning and 67.8MB in the end (delta: -21.6MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * CodeCheck took 564.85ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 52.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.32ms. Allocated memory is still 111.1MB. Free memory was 52.4MB in the beginning and 51.7MB in the end (delta: 670.5kB). 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 22:21:07,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b42d7b8-9997-4181-9a7a-829f270033cf/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