./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_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_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/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_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/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_a540be3b-b815-4774-94a4-09d4243033d8/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 bef63c42b87a0bfebee91ff77870715a71ca1795bcfbb7b0cd1ce6ff664812e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:03:35,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:03:35,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:03:35,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:03:35,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:03:35,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:03:35,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:03:35,885 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:03:35,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:03:35,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:03:35,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:03:35,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:03:35,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:03:35,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:03:35,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:03:35,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:03:35,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:03:35,894 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:03:35,894 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:03:35,895 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:03:35,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:03:35,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:03:35,897 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:03:35,897 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:03:35,898 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:03:35,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:03:35,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:35,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:03:35,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:03:35,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:03:35,899 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:03:35,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:03:35,902 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_a540be3b-b815-4774-94a4-09d4243033d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef63c42b87a0bfebee91ff77870715a71ca1795bcfbb7b0cd1ce6ff664812e4 [2024-11-08 23:03:36,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:03:36,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:03:36,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:03:36,231 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:03:36,232 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:03:36,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_bad.i Unable to find full path for "g++" [2024-11-08 23:03:38,203 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:03:38,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:03:38,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_bad.i [2024-11-08 23:03:38,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data/c047e6185/f017676ebb4046f99727e9801bad565b/FLAGdb0ccb0e9 [2024-11-08 23:03:38,652 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data/c047e6185/f017676ebb4046f99727e9801bad565b [2024-11-08 23:03:38,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:03:38,659 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:03:38,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:38,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:03:38,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:03:38,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:38" (1/1) ... [2024-11-08 23:03:38,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@375c5159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:38, skipping insertion in model container [2024-11-08 23:03:38,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:38" (1/1) ... [2024-11-08 23:03:38,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:03:39,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:39,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:03:40,022 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:40,163 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:03:40,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40 WrapperNode [2024-11-08 23:03:40,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:40,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:40,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:03:40,165 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:03:40,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,247 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 69 [2024-11-08 23:03:40,249 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:40,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:03:40,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:03:40,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:03:40,260 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,261 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,280 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:03:40,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:03:40,298 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:03:40,298 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:03:40,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:40,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:03:40,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:03:40,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:03:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:03:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:03:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:03:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:03:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:03:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:03:40,628 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:03:40,631 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:03:40,771 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:03:40,771 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:03:40,813 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:03:40,813 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:03:40,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:40 BoogieIcfgContainer [2024-11-08 23:03:40,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:03:40,815 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:03:40,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:03:40,826 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:03:40,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:40" (1/1) ... [2024-11-08 23:03:40,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:03:40,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:03:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:03:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:03:40,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:40,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:03:41,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:41,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:03:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:41,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:03:41,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:41,224 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:03:41,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:03:41 ImpRootNode [2024-11-08 23:03:41,253 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:03:41,253 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:03:41,253 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:03:41,254 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:03:41,254 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:40" (3/4) ... [2024-11-08 23:03:41,257 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:03:41,258 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:03:41,259 INFO L158 Benchmark]: Toolchain (without parser) took 2599.64ms. Allocated memory is still 167.8MB. Free memory was 130.2MB in the beginning and 103.5MB in the end (delta: 26.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-11-08 23:03:41,259 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:41,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1503.66ms. Allocated memory is still 167.8MB. Free memory was 130.2MB in the beginning and 63.2MB in the end (delta: 66.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:41,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.85ms. Allocated memory is still 167.8MB. Free memory was 63.2MB in the beginning and 60.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:41,261 INFO L158 Benchmark]: Boogie Preprocessor took 39.63ms. Allocated memory is still 167.8MB. Free memory was 60.6MB in the beginning and 59.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:41,262 INFO L158 Benchmark]: RCFGBuilder took 516.13ms. Allocated memory is still 167.8MB. Free memory was 59.0MB in the beginning and 124.4MB in the end (delta: -65.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-08 23:03:41,262 INFO L158 Benchmark]: CodeCheck took 437.93ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 103.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 23:03:41,263 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:41,266 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, 16 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, 8 NumberOfCodeBlocks, 8 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: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. 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); [L1549] int CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE191_Integer_Underflow__int_fgets_sub_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_sub_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, 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] [L1585] data - 1 VAL [CWE191_Integer_Underflow__int_fgets_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, 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 0.34ms. Allocated memory is still 127.9MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1503.66ms. Allocated memory is still 167.8MB. Free memory was 130.2MB in the beginning and 63.2MB in the end (delta: 66.9MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.85ms. Allocated memory is still 167.8MB. Free memory was 63.2MB in the beginning and 60.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.63ms. Allocated memory is still 167.8MB. Free memory was 60.6MB in the beginning and 59.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.13ms. Allocated memory is still 167.8MB. Free memory was 59.0MB in the beginning and 124.4MB in the end (delta: -65.4MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 437.93ms. Allocated memory is still 167.8MB. Free memory was 124.4MB in the beginning and 103.5MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. 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 23:03:41,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/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_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/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_a540be3b-b815-4774-94a4-09d4243033d8/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 bef63c42b87a0bfebee91ff77870715a71ca1795bcfbb7b0cd1ce6ff664812e4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:03:43,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:03:43,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:03:43,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:03:43,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:03:43,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:03:43,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:03:43,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:03:43,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:03:43,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:03:43,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:03:43,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:03:43,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:03:43,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:03:43,909 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:03:43,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:03:43,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:03:43,910 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:03:43,910 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:03:43,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:03:43,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:03:43,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:03:43,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:03:43,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:03:43,915 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:03:43,916 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:43,916 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:03:43,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:03:43,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:43,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:03:43,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:03:43,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:03:43,919 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:03:43,919 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:43,920 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:03:43,920 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_a540be3b-b815-4774-94a4-09d4243033d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef63c42b87a0bfebee91ff77870715a71ca1795bcfbb7b0cd1ce6ff664812e4 [2024-11-08 23:03:44,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:03:44,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:03:44,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:03:44,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:03:44,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:03:44,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_bad.i Unable to find full path for "g++" [2024-11-08 23:03:46,675 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:03:47,096 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:03:47,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_68_bad.i [2024-11-08 23:03:47,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data/52f65c72a/3632727ae06d4ebebe7dcaba10ef9824/FLAG0142a9389 [2024-11-08 23:03:47,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/data/52f65c72a/3632727ae06d4ebebe7dcaba10ef9824 [2024-11-08 23:03:47,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:03:47,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:03:47,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:47,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:03:47,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:03:47,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac6c009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:47, skipping insertion in model container [2024-11-08 23:03:47,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:03:47" (1/1) ... [2024-11-08 23:03:47,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:03:48,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:48,367 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:03:48,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:03:48,719 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:03:48,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48 WrapperNode [2024-11-08 23:03:48,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:03:48,722 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:48,722 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:03:48,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:03:48,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,816 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-08 23:03:48,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:03:48,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:03:48,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:03:48,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:03:48,829 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:03:48,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:03:48,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:03:48,876 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:03:48,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:03:48" (1/1) ... [2024-11-08 23:03:48,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:03:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:03:48,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:03:48,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:03:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:03:48,956 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:03:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:03:48,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:03:48,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:03:48,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:03:49,162 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:03:49,165 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:03:49,372 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 23:03:49,372 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:03:49,455 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:03:49,455 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:03:49,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:49 BoogieIcfgContainer [2024-11-08 23:03:49,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:03:49,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:03:49,456 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:03:49,469 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:03:49,469 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:49" (1/1) ... [2024-11-08 23:03:49,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:03:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:03:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-08 23:03:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-08 23:03:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:03:49,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:03:49,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:03:49,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:03:49,578 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:03:49,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:03:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:49,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:03:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:49,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:03:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:03:50,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:03:50,076 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:03:50,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:03:50 ImpRootNode [2024-11-08 23:03:50,110 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:03:50,113 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:03:50,113 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:03:50,114 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:03:50,114 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:03:49" (3/4) ... [2024-11-08 23:03:50,117 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:03:50,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:03:50,120 INFO L158 Benchmark]: Toolchain (without parser) took 2965.98ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 48.6MB in the beginning and 46.9MB in the end (delta: 1.7MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-08 23:03:50,121 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 56.6MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 65.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:50,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1563.69ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 27.2MB in the end (delta: 21.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:50,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.97ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 27.2MB in the beginning and 61.8MB in the end (delta: -34.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:50,124 INFO L158 Benchmark]: Boogie Preprocessor took 56.36ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:03:50,125 INFO L158 Benchmark]: RCFGBuilder took 580.35ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 41.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:03:50,126 INFO L158 Benchmark]: CodeCheck took 654.22ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 46.9MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:50,126 INFO L158 Benchmark]: Witness Printer took 5.85ms. Allocated memory is still 92.3MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:03:50,131 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 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: 1585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of large string literal at line 1573, overapproximation of fgets at line 1558. 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); [L1549] int CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData; [L1550] int CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData; [L1573] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1573] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] CALL CWE191_Integer_Underflow__int_fgets_sub_68_bad() [L1554] int data; [L1555] data = 0 [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] CWE191_Integer_Underflow__int_fgets_sub_68_badData = data [L1568] CALL CWE191_Integer_Underflow__int_fgets_sub_68b_badSink() [L1583] int data = CWE191_Integer_Underflow__int_fgets_sub_68_badData; VAL [CWE191_Integer_Underflow__int_fgets_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, 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] [L1585] data - 1 VAL [CWE191_Integer_Underflow__int_fgets_sub_68_badData=-2147483648, CWE191_Integer_Underflow__int_fgets_sub_68_goodB2GData=0, CWE191_Integer_Underflow__int_fgets_sub_68_goodG2BData=0, 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 56.6MB. Free memory was 32.8MB in the beginning and 32.7MB in the end (delta: 65.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1563.69ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 27.2MB in the end (delta: 21.2MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.97ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 27.2MB in the beginning and 61.8MB in the end (delta: -34.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.36ms. Allocated memory is still 92.3MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.35ms. Allocated memory is still 92.3MB. Free memory was 59.7MB in the beginning and 41.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 654.22ms. Allocated memory is still 92.3MB. Free memory was 41.3MB in the beginning and 46.9MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.85ms. Allocated memory is still 92.3MB. Free memory is still 46.9MB. 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 23:03:50,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a540be3b-b815-4774-94a4-09d4243033d8/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