./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:21:52,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:21:52,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:21:52,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:21:52,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:21:52,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:21:52,781 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:21:52,781 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:21:52,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:21:52,784 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:21:52,785 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:21:52,785 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:21:52,786 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:21:52,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:21:52,786 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:21:52,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:21:52,787 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:21:52,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:21:52,787 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:21:52,788 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:21:52,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:21:52,792 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:21:52,792 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:21:52,793 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:21:52,793 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:21:52,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:21:52,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:52,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:21:52,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:21:52,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:21:52,795 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:21:52,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:21:52,805 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_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f [2024-11-08 23:21:53,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:21:53,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:21:53,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:21:53,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:21:53,127 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:21:53,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i Unable to find full path for "g++" [2024-11-08 23:21:55,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:21:55,462 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:21:55,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2024-11-08 23:21:55,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data/87589c7aa/2b0ad9cd30b146af82ddbd12b4cbb9ec/FLAGdffa0cdba [2024-11-08 23:21:55,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data/87589c7aa/2b0ad9cd30b146af82ddbd12b4cbb9ec [2024-11-08 23:21:55,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:21:55,508 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:21:55,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:55,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:21:55,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:21:55,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:55" (1/1) ... [2024-11-08 23:21:55,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a9e94bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:55, skipping insertion in model container [2024-11-08 23:21:55,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:21:55" (1/1) ... [2024-11-08 23:21:55,579 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:21:56,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:56,677 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:21:56,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:21:56,957 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:21:56,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56 WrapperNode [2024-11-08 23:21:56,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:21:56,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:56,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:21:56,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:21:56,967 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:56,991 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,014 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-11-08 23:21:57,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:21:57,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:21:57,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:21:57,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:21:57,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,038 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:21:57,039 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:21:57,039 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:21:57,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:21:57,040 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:21:56" (1/1) ... [2024-11-08 23:21:57,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:21:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:21:57,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:21:57,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:21:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:21:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:21:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:21:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:21:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:21:57,268 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:21:57,270 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:21:57,363 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-08 23:21:57,363 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:21:57,407 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:21:57,407 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:21:57,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:57 BoogieIcfgContainer [2024-11-08 23:21:57,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:21:57,413 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:21:57,413 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:21:57,424 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:21:57,424 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:57" (1/1) ... [2024-11-08 23:21:57,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:21:57,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:21:57,492 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:21:57,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:21:57,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:57,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:21:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:57,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:21:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:57,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:21:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:21:57,798 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:21:57,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:21:57 ImpRootNode [2024-11-08 23:21:57,829 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:21:57,831 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:21:57,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:21:57,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:21:57,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:21:57" (3/4) ... [2024-11-08 23:21:57,836 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:21:57,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:21:57,839 INFO L158 Benchmark]: Toolchain (without parser) took 2331.08ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 111.6MB in the beginning and 133.7MB in the end (delta: -22.1MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:57,840 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 153.1MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:21:57,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1449.87ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 111.1MB in the beginning and 166.2MB in the end (delta: -55.0MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-11-08 23:21:57,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 211.8MB. Free memory was 166.2MB in the beginning and 164.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:57,843 INFO L158 Benchmark]: Boogie Preprocessor took 23.32ms. Allocated memory is still 211.8MB. Free memory was 164.1MB in the beginning and 162.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:57,844 INFO L158 Benchmark]: RCFGBuilder took 373.45ms. Allocated memory is still 211.8MB. Free memory was 162.0MB in the beginning and 148.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:21:57,845 INFO L158 Benchmark]: CodeCheck took 416.20ms. Allocated memory is still 211.8MB. Free memory was 148.3MB in the beginning and 133.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:21:57,845 INFO L158 Benchmark]: Witness Printer took 6.81ms. Allocated memory is still 211.8MB. Free memory was 133.7MB in the beginning and 133.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:21:57,849 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_18_bad() [L1550] int data; [L1551] data = 0 [L1558] --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 0.27ms. Allocated memory is still 153.1MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1449.87ms. Allocated memory was 153.1MB in the beginning and 211.8MB in the end (delta: 58.7MB). Free memory was 111.1MB in the beginning and 166.2MB in the end (delta: -55.0MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 211.8MB. Free memory was 166.2MB in the beginning and 164.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.32ms. Allocated memory is still 211.8MB. Free memory was 164.1MB in the beginning and 162.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.45ms. Allocated memory is still 211.8MB. Free memory was 162.0MB in the beginning and 148.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 416.20ms. Allocated memory is still 211.8MB. Free memory was 148.3MB in the beginning and 133.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 6.81ms. Allocated memory is still 211.8MB. Free memory was 133.7MB in the beginning and 133.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:21:57,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:22:00,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:22:00,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:22:00,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:22:00,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:22:00,388 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:22:00,389 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:22:00,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:22:00,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:22:00,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:22:00,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:22:00,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:22:00,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:22:00,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:22:00,393 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:22:00,395 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:22:00,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:22:00,396 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:22:00,396 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:22:00,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:22:00,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:22:00,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:22:00,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:22:00,397 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:22:00,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:22:00,398 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:00,398 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:22:00,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:22:00,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:22:00,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:22:00,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:22:00,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:22:00,404 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:22:00,404 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:00,404 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:22:00,405 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_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8701bc24c839c8e48fa7f0b00b85e9fb6a7c0536765177c20c371553af9d928f [2024-11-08 23:22:00,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:22:00,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:22:00,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:22:00,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:22:00,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:22:00,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i Unable to find full path for "g++" [2024-11-08 23:22:02,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:22:03,260 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:22:03,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_18_bad.i [2024-11-08 23:22:03,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data/0b6c0d79b/ff514a7716144080959ca3b8b4a7175d/FLAGe05a93d93 [2024-11-08 23:22:03,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/data/0b6c0d79b/ff514a7716144080959ca3b8b4a7175d [2024-11-08 23:22:03,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:22:03,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:22:03,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:22:03,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:22:03,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:22:03,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:22:03" (1/1) ... [2024-11-08 23:22:03,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6225b297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:03, skipping insertion in model container [2024-11-08 23:22:03,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:22:03" (1/1) ... [2024-11-08 23:22:03,538 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:22:04,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:22:04,651 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:22:04,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:22:04,917 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:22:04,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04 WrapperNode [2024-11-08 23:22:04,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:22:04,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:22:04,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:22:04,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:22:04,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:04,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:04,979 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-11-08 23:22:04,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:22:04,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:22:04,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:22:04,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:22:04,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:04,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:04,993 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:04,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:05,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:05,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:05,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:05,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:05,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:22:05,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:22:05,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:22:05,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:22:05,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:22:04" (1/1) ... [2024-11-08 23:22:05,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:22:05,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:22:05,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:22:05,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:22:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:22:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:22:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:22:05,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:22:05,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:22:05,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:22:05,231 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:22:05,382 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:22:05,382 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:22:05,423 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:22:05,424 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:22:05,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:22:05 BoogieIcfgContainer [2024-11-08 23:22:05,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:22:05,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:22:05,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:22:05,435 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:22:05,435 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:22:05" (1/1) ... [2024-11-08 23:22:05,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:22:05,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:05,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:22:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:22:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:22:05,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:05,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:05,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:05,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:05,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:22:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:05,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:22:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:05,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:22:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:22:05,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:22:05,798 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:22:05,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:22:05 ImpRootNode [2024-11-08 23:22:05,831 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:22:05,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:22:05,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:22:05,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:22:05,833 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:22:05" (3/4) ... [2024-11-08 23:22:05,838 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:22:05,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:22:05,840 INFO L158 Benchmark]: Toolchain (without parser) took 2375.69ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.7MB in the beginning and 31.6MB in the end (delta: 6.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-11-08 23:22:05,841 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:22:05,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1451.67ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 44.2MB in the end (delta: -6.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-08 23:22:05,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.54ms. Allocated memory is still 79.7MB. Free memory was 44.0MB in the beginning and 41.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:22:05,843 INFO L158 Benchmark]: Boogie Preprocessor took 27.34ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:22:05,843 INFO L158 Benchmark]: RCFGBuilder took 415.81ms. Allocated memory is still 79.7MB. Free memory was 39.0MB in the beginning and 45.1MB in the end (delta: -6.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-08 23:22:05,844 INFO L158 Benchmark]: CodeCheck took 406.14ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 32.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:22:05,844 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 79.7MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:22:05,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_fscanf_predec_18_bad() [L1550] int data; [L1551] data = 0 [L1558] --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 0.19ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1451.67ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 44.2MB in the end (delta: -6.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.54ms. Allocated memory is still 79.7MB. Free memory was 44.0MB in the beginning and 41.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.34ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.81ms. Allocated memory is still 79.7MB. Free memory was 39.0MB in the beginning and 45.1MB in the end (delta: -6.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 406.14ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 32.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.31ms. Allocated memory is still 79.7MB. Free memory is still 31.6MB. 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 23:22:05,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_369e3087-ad6e-47f7-9f6a-a0b22c857a8a/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