./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_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_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/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_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/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_660a0e56-a80b-4d86-911a-9fc3866f77c3/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 b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:39,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:39,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:06:39,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:06:39,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:06:39,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:39,353 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:39,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:39,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:39,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:39,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:39,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:39,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:06:39,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:39,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:39,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:39,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:39,358 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:39,359 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:06:39,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:06:39,360 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:39,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:39,362 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:39,362 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:39,362 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:39,363 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:39,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:39,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:39,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:39,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:39,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:06:39,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:06:39,369 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_660a0e56-a80b-4d86-911a-9fc3866f77c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 [2024-11-08 23:06:39,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:39,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:39,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:39,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:39,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:39,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i Unable to find full path for "g++" [2024-11-08 23:06:41,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:42,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:42,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-08 23:06:42,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data/cd872b0ef/a958a9b7e37a43539f189ba17f906ce7/FLAG5e006ded3 [2024-11-08 23:06:42,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data/cd872b0ef/a958a9b7e37a43539f189ba17f906ce7 [2024-11-08 23:06:42,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:42,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:42,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:42,322 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:42,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:42,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:42" (1/1) ... [2024-11-08 23:06:42,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15fd3f6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:42, skipping insertion in model container [2024-11-08 23:06:42,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:42" (1/1) ... [2024-11-08 23:06:42,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:43,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:43,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:43,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:43,733 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:43,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43 WrapperNode [2024-11-08 23:06:43,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:43,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:43,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:43,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:43,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,805 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 47 [2024-11-08 23:06:43,806 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:43,807 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:43,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:43,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:43,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,822 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:43,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:43,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:43,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:43,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:43" (1/1) ... [2024-11-08 23:06:43,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:43,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:43,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:43,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:06:43,912 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:06:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:43,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:44,103 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:44,105 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:44,247 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:44,247 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:44,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:44,286 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:06:44,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:44 BoogieIcfgContainer [2024-11-08 23:06:44,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:44,287 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:44,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:44,299 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:44,299 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:44" (1/1) ... [2024-11-08 23:06:44,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:44,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:06:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:06:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:06:44,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:44,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:06:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:44,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:44,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:44,668 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:06:44,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:06:44 ImpRootNode [2024-11-08 23:06:44,707 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:06:44,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:06:44,710 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:06:44,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:06:44,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:44" (3/4) ... [2024-11-08 23:06:44,715 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:06:44,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:06:44,718 INFO L158 Benchmark]: Toolchain (without parser) took 2398.28ms. Allocated memory is still 144.7MB. Free memory was 74.0MB in the beginning and 89.4MB in the end (delta: -15.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:44,719 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:44,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1413.35ms. Allocated memory is still 144.7MB. Free memory was 73.8MB in the beginning and 59.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:06:44,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.49ms. Allocated memory is still 144.7MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:44,722 INFO L158 Benchmark]: Boogie Preprocessor took 42.51ms. Allocated memory is still 144.7MB. Free memory was 56.4MB in the beginning and 54.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:44,724 INFO L158 Benchmark]: RCFGBuilder took 435.93ms. Allocated memory is still 144.7MB. Free memory was 54.9MB in the beginning and 104.1MB in the end (delta: -49.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-08 23:06:44,725 INFO L158 Benchmark]: CodeCheck took 420.17ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 89.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:06:44,726 INFO L158 Benchmark]: Witness Printer took 9.22ms. Allocated memory is still 144.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:44,729 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1551]: 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_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] --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 0.36ms. Allocated memory is still 144.7MB. Free memory is still 114.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1413.35ms. Allocated memory is still 144.7MB. Free memory was 73.8MB in the beginning and 59.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.49ms. Allocated memory is still 144.7MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.51ms. Allocated memory is still 144.7MB. Free memory was 56.4MB in the beginning and 54.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.93ms. Allocated memory is still 144.7MB. Free memory was 54.9MB in the beginning and 104.1MB in the end (delta: -49.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * CodeCheck took 420.17ms. Allocated memory is still 144.7MB. Free memory was 104.1MB in the beginning and 89.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 9.22ms. Allocated memory is still 144.7MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:06:44,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/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_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/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_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/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_660a0e56-a80b-4d86-911a-9fc3866f77c3/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 b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:06:47,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:06:47,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:06:47,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:06:47,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:06:47,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:06:47,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:06:47,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:06:47,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:06:47,405 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:06:47,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:06:47,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:06:47,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:06:47,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:06:47,409 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:06:47,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:06:47,410 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:06:47,411 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:06:47,411 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:06:47,411 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:06:47,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:06:47,416 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:06:47,416 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:06:47,417 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:06:47,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:06:47,417 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:47,418 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:06:47,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:06:47,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:47,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:06:47,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:06:47,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:06:47,419 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:06:47,421 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:47,422 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:06:47,422 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_660a0e56-a80b-4d86-911a-9fc3866f77c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03417044f373c008ff91de15a64d7cc60a5998b199ec438fd4bdaa7bf23faf0 [2024-11-08 23:06:47,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:06:47,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:06:47,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:06:47,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:06:47,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:06:47,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i Unable to find full path for "g++" [2024-11-08 23:06:49,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:06:50,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:06:50,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_41_bad.i [2024-11-08 23:06:50,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data/2f1a30e1f/9ae55039f11c49cb9ea7d4ee006a5c71/FLAGb43d8e09e [2024-11-08 23:06:50,399 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/data/2f1a30e1f/9ae55039f11c49cb9ea7d4ee006a5c71 [2024-11-08 23:06:50,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:06:50,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:06:50,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:50,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:06:50,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:06:50,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@399c5ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:50, skipping insertion in model container [2024-11-08 23:06:50,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:06:50" (1/1) ... [2024-11-08 23:06:50,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:06:51,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:51,785 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:06:51,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:06:52,041 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:06:52,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52 WrapperNode [2024-11-08 23:06:52,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:06:52,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:52,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:06:52,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:06:52,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,117 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 46 [2024-11-08 23:06:52,118 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:06:52,118 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:06:52,118 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:06:52,119 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:06:52,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,153 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:06:52,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:06:52,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:06:52,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:06:52,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:06:52,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:06:52,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:06:52,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:06:52,243 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:06:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:06:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:06:52,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:06:52,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:06:52,401 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:06:52,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:06:52,576 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:06:52,576 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:06:52,689 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:06:52,689 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:06:52,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:52 BoogieIcfgContainer [2024-11-08 23:06:52,690 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:06:52,691 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:06:52,691 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:06:52,709 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:06:52,709 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:52" (1/1) ... [2024-11-08 23:06:52,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:06:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:06:52,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:06:52,771 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:06:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:06:52,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:06:52,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:06:52,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:06:52,779 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:06:52,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:06:52,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:52,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:53,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:06:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:06:53,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:06:53,113 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:06:53,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:06:53 ImpRootNode [2024-11-08 23:06:53,150 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:06:53,150 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:06:53,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:06:53,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:06:53,154 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:06:52" (3/4) ... [2024-11-08 23:06:53,157 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:06:53,159 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:06:53,160 INFO L158 Benchmark]: Toolchain (without parser) took 2756.17ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 72.0MB in the end (delta: -11.7MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 23:06:53,161 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:53,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1637.57ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 38.2MB in the end (delta: 21.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-08 23:06:53,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.53ms. Allocated memory is still 88.1MB. Free memory was 38.2MB in the beginning and 59.1MB in the end (delta: -20.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-11-08 23:06:53,163 INFO L158 Benchmark]: Boogie Preprocessor took 50.77ms. Allocated memory is still 88.1MB. Free memory was 58.7MB in the beginning and 57.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:06:53,164 INFO L158 Benchmark]: RCFGBuilder took 520.43ms. Allocated memory is still 88.1MB. Free memory was 57.0MB in the beginning and 41.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:06:53,165 INFO L158 Benchmark]: CodeCheck took 458.90ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 41.1MB in the beginning and 72.6MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:53,166 INFO L158 Benchmark]: Witness Printer took 8.57ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 72.0MB in the end (delta: 592.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:06:53,172 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1551]: 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_41_bad() [L1558] int data; [L1559] data = 0 [L1561] CALL badSink(data) [L1551] --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 0.53ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 73.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1637.57ms. Allocated memory is still 88.1MB. Free memory was 60.1MB in the beginning and 38.2MB in the end (delta: 21.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.53ms. Allocated memory is still 88.1MB. Free memory was 38.2MB in the beginning and 59.1MB in the end (delta: -20.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.77ms. Allocated memory is still 88.1MB. Free memory was 58.7MB in the beginning and 57.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.43ms. Allocated memory is still 88.1MB. Free memory was 57.0MB in the beginning and 41.1MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 458.90ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 41.1MB in the beginning and 72.6MB in the end (delta: -31.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.57ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 72.0MB in the end (delta: 592.1kB). 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 23:06:53,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_660a0e56-a80b-4d86-911a-9fc3866f77c3/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