./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_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_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:48:04,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:48:04,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:48:04,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:48:04,285 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:48:04,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:48:04,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:48:04,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:48:04,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:48:04,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:48:04,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:48:04,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:48:04,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:48:04,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:48:04,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:48:04,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:48:04,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:48:04,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:48:04,330 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:48:04,330 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:48:04,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:48:04,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:48:04,334 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:48:04,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:48:04,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:48:04,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:48:04,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:04,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:48:04,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:48:04,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:48:04,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:48:04,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:48:04,353 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_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 [2024-11-08 22:48:04,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:48:04,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:48:04,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:48:04,691 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:48:04,691 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:48:04,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i Unable to find full path for "g++" [2024-11-08 22:48:06,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:48:07,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:48:07,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i [2024-11-08 22:48:07,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data/5f1967a67/c2b7dbcc09e14e729038015d17906d24/FLAGe0bc02631 [2024-11-08 22:48:07,192 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data/5f1967a67/c2b7dbcc09e14e729038015d17906d24 [2024-11-08 22:48:07,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:48:07,196 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:48:07,215 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:07,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:48:07,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:48:07,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:07" (1/1) ... [2024-11-08 22:48:07,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbdfd80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:07, skipping insertion in model container [2024-11-08 22:48:07,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:07" (1/1) ... [2024-11-08 22:48:07,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:48:08,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:08,322 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:48:08,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:08,628 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:48:08,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08 WrapperNode [2024-11-08 22:48:08,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:08,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:08,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:48:08,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:48:08,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,682 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 22:48:08,683 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:08,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:48:08,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:48:08,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:48:08,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:48:08,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:48:08,706 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:48:08,706 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:48:08,707 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:08" (1/1) ... [2024-11-08 22:48:08,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:08,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:48:08,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:48:08,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:48:08,800 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:48:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:48:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:48:08,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:48:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:48:08,938 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:48:08,940 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:48:09,033 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 22:48:09,033 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:48:09,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:48:09,083 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:48:09,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:09 BoogieIcfgContainer [2024-11-08 22:48:09,083 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:48:09,084 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:48:09,084 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:48:09,095 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:48:09,098 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:09" (1/1) ... [2024-11-08 22:48:09,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:48:09,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:09,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:48:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:48:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:48:09,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:09,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:48:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:09,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:09,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:09,401 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:48:09,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:48:09 ImpRootNode [2024-11-08 22:48:09,438 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:48:09,439 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:48:09,439 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:48:09,440 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:48:09,440 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:09" (3/4) ... [2024-11-08 22:48:09,443 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:48:09,446 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:48:09,448 INFO L158 Benchmark]: Toolchain (without parser) took 2251.35ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 100.9MB in the end (delta: 40.7MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-08 22:48:09,449 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:09,449 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1413.74ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 135.5MB in the end (delta: 5.6MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2024-11-08 22:48:09,450 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.09ms. Allocated memory is still 172.0MB. Free memory was 135.5MB in the beginning and 132.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:48:09,450 INFO L158 Benchmark]: Boogie Preprocessor took 22.20ms. Allocated memory is still 172.0MB. Free memory was 132.3MB in the beginning and 131.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:09,451 INFO L158 Benchmark]: RCFGBuilder took 377.40ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 116.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:48:09,452 INFO L158 Benchmark]: CodeCheck took 354.49ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 101.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:48:09,452 INFO L158 Benchmark]: Witness Printer took 7.60ms. Allocated memory is still 172.0MB. Free memory was 101.9MB in the beginning and 100.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:48:09,456 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, 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] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, 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 0.20ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1413.74ms. Allocated memory is still 172.0MB. Free memory was 141.1MB in the beginning and 135.5MB in the end (delta: 5.6MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.09ms. Allocated memory is still 172.0MB. Free memory was 135.5MB in the beginning and 132.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.20ms. Allocated memory is still 172.0MB. Free memory was 132.3MB in the beginning and 131.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.40ms. Allocated memory is still 172.0MB. Free memory was 131.3MB in the beginning and 116.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 354.49ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 101.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.60ms. Allocated memory is still 172.0MB. Free memory was 101.9MB in the beginning and 100.9MB in the end (delta: 1.1MB). 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 22:48:09,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:48:11,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:48:12,063 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:48:12,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:48:12,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:48:12,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:48:12,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:48:12,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:48:12,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:48:12,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:48:12,113 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:48:12,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:48:12,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:48:12,115 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:48:12,117 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:48:12,117 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:48:12,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:48:12,118 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:48:12,118 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:48:12,119 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:48:12,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:48:12,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:48:12,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:48:12,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:48:12,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:48:12,125 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:12,126 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:48:12,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:48:12,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:12,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:48:12,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:48:12,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:48:12,128 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:48:12,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:12,128 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:48:12,129 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_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22dc47cc4f5a7a12225f7babb9bde7300eb8745b4299967c9ccb03dc16fcedb2 [2024-11-08 22:48:12,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:48:12,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:48:12,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:48:12,552 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:48:12,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:48:12,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i Unable to find full path for "g++" [2024-11-08 22:48:14,612 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:48:14,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:48:14,973 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_bad.i [2024-11-08 22:48:15,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data/78f929677/8994d6aab9d14bbcb0bb1df91c5f8e0f/FLAGfd80da204 [2024-11-08 22:48:15,187 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/data/78f929677/8994d6aab9d14bbcb0bb1df91c5f8e0f [2024-11-08 22:48:15,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:48:15,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:48:15,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:15,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:48:15,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:48:15,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:15" (1/1) ... [2024-11-08 22:48:15,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59428bcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:15, skipping insertion in model container [2024-11-08 22:48:15,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:48:15" (1/1) ... [2024-11-08 22:48:15,304 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:48:16,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:16,320 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:48:16,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:48:16,646 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:48:16,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16 WrapperNode [2024-11-08 22:48:16,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:48:16,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:16,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:48:16,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:48:16,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,714 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 22:48:16,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:48:16,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:48:16,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:48:16,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:48:16,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,737 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:48:16,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:48:16,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:48:16,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:48:16,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:48:16" (1/1) ... [2024-11-08 22:48:16,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:48:16,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:48:16,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:48:16,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:48:16,810 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:48:16,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:48:16,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:48:16,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:48:16,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:48:17,012 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:48:17,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:48:17,147 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 22:48:17,147 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:48:17,191 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:48:17,191 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:48:17,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:17 BoogieIcfgContainer [2024-11-08 22:48:17,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:48:17,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:48:17,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:48:17,217 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:48:17,218 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:17" (1/1) ... [2024-11-08 22:48:17,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:48:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:48:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 22:48:17,296 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 22:48:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 22:48:17,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:48:17,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:48:17,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:48:17,307 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:48:17,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:48:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:17,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:17,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:17,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:48:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:48:17,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:48:17,713 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:48:17,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:48:17 ImpRootNode [2024-11-08 22:48:17,760 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:48:17,761 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:48:17,761 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:48:17,761 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:48:17,762 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:48:17" (3/4) ... [2024-11-08 22:48:17,765 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:48:17,766 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:48:17,767 INFO L158 Benchmark]: Toolchain (without parser) took 2574.39ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 31.2MB in the beginning and 42.6MB in the end (delta: -11.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-11-08 22:48:17,768 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:17,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.28ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 30.9MB in the beginning and 54.9MB in the end (delta: -23.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-08 22:48:17,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.97ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 51.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:48:17,771 INFO L158 Benchmark]: Boogie Preprocessor took 29.62ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 49.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:48:17,771 INFO L158 Benchmark]: RCFGBuilder took 447.12ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 33.5MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 22:48:17,772 INFO L158 Benchmark]: CodeCheck took 567.10ms. Allocated memory is still 86.0MB. Free memory was 33.5MB in the beginning and 43.1MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:17,773 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 42.6MB in the end (delta: 500.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:48:17,776 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1572]: 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 1561. 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); [L1548] int CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_bad() [L1552] int data; [L1553] data = 0 [L1555] CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal = 1 [L1556] CALL CWE191_Integer_Underflow__int_fscanf_sub_22_badSink(data) [L1569] COND TRUE \read(CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal) VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, 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] [L1572] data - 1 VAL [CWE191_Integer_Underflow__int_fscanf_sub_22_badGlobal=1, 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 0.52ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.28ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 30.9MB in the beginning and 54.9MB in the end (delta: -23.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.97ms. Allocated memory is still 86.0MB. Free memory was 54.4MB in the beginning and 51.6MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.62ms. Allocated memory is still 86.0MB. Free memory was 51.6MB in the beginning and 49.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.12ms. Allocated memory is still 86.0MB. Free memory was 49.5MB in the beginning and 33.5MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 567.10ms. Allocated memory is still 86.0MB. Free memory was 33.5MB in the beginning and 43.1MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 86.0MB. Free memory was 43.1MB in the beginning and 42.6MB in the end (delta: 500.1kB). 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 22:48:17,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a64d0a0e-03f7-446f-973b-ebedc6f10a97/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