./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/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_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/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_c36c8c7f-73e9-4de6-8280-7469489809a2/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 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:15:51,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:15:52,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:15:52,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:15:52,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:15:52,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:15:52,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:15:52,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:15:52,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:15:52,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:15:52,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:15:52,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:15:52,096 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:15:52,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:15:52,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:15:52,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:15:52,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:15:52,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:15:52,102 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:15:52,103 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:15:52,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:15:52,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:15:52,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:15:52,107 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:15:52,107 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:15:52,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:15:52,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:52,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:15:52,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:15:52,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:15:52,109 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:15:52,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:15:52,109 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_c36c8c7f-73e9-4de6-8280-7469489809a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca [2024-11-09 00:15:52,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:15:52,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:15:52,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:15:52,497 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:15:52,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:15:52,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i Unable to find full path for "g++" [2024-11-09 00:15:54,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:15:54,760 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:15:54,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i [2024-11-09 00:15:54,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data/09b020095/c007585a082b4577bed5f288201ada6c/FLAG4cc06a0b5 [2024-11-09 00:15:54,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data/09b020095/c007585a082b4577bed5f288201ada6c [2024-11-09 00:15:54,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:15:54,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:15:54,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:54,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:15:54,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:15:54,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:54" (1/1) ... [2024-11-09 00:15:54,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2387be61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:54, skipping insertion in model container [2024-11-09 00:15:54,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:54" (1/1) ... [2024-11-09 00:15:55,064 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:15:56,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:56,202 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:15:56,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:56,413 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:15:56,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56 WrapperNode [2024-11-09 00:15:56,413 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:56,415 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:56,415 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:15:56,415 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:15:56,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,444 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,478 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 49 [2024-11-09 00:15:56,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:56,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:15:56,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:15:56,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:15:56,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:15:56,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:15:56,505 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:15:56,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:15:56,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:56,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:15:56,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:15:56,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:15:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:15:56,576 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:15:56,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:15:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:15:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:15:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:15:56,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:15:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:15:56,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:15:56,730 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:15:56,732 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:15:56,852 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-09 00:15:56,853 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:15:56,925 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:15:56,925 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:15:56,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:56 BoogieIcfgContainer [2024-11-09 00:15:56,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:15:56,927 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:15:56,927 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:15:56,937 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:15:56,937 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:56" (1/1) ... [2024-11-09 00:15:56,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:15:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:57,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:15:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:15:57,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:15:57,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:57,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:57,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:15:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:57,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:15:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:57,430 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:15:57,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:15:57 ImpRootNode [2024-11-09 00:15:57,461 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:15:57,462 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:15:57,462 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:15:57,462 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:15:57,463 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:56" (3/4) ... [2024-11-09 00:15:57,466 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:15:57,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:15:57,468 INFO L158 Benchmark]: Toolchain (without parser) took 2500.24ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 129.6MB in the beginning and 147.0MB in the end (delta: -17.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-11-09 00:15:57,469 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:57,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1444.66ms. Allocated memory is still 163.6MB. Free memory was 129.6MB in the beginning and 79.9MB in the end (delta: 49.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-09 00:15:57,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.08ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 76.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:15:57,473 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 163.6MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:57,473 INFO L158 Benchmark]: RCFGBuilder took 421.32ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 130.4MB in the end (delta: -54.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-11-09 00:15:57,474 INFO L158 Benchmark]: CodeCheck took 534.43ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 130.3MB in the beginning and 147.0MB in the end (delta: -16.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-09 00:15:57,474 INFO L158 Benchmark]: Witness Printer took 5.03ms. Allocated memory is still 197.1MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:57,481 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1568]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1444.66ms. Allocated memory is still 163.6MB. Free memory was 129.6MB in the beginning and 79.9MB in the end (delta: 49.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.08ms. Allocated memory is still 163.6MB. Free memory was 79.9MB in the beginning and 76.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 163.6MB. Free memory was 76.9MB in the beginning and 75.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.32ms. Allocated memory is still 163.6MB. Free memory was 75.7MB in the beginning and 130.4MB in the end (delta: -54.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * CodeCheck took 534.43ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 130.3MB in the beginning and 147.0MB in the end (delta: -16.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Witness Printer took 5.03ms. Allocated memory is still 197.1MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:15:57,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/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_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/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_c36c8c7f-73e9-4de6-8280-7469489809a2/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 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:15:59,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:16:00,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:16:00,059 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:16:00,060 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:16:00,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:16:00,062 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:16:00,063 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:16:00,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:16:00,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:16:00,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:16:00,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:16:00,065 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:16:00,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:16:00,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:16:00,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:16:00,069 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:16:00,069 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:16:00,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:16:00,070 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:16:00,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:16:00,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:16:00,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:16:00,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:16:00,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:16:00,075 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:00,076 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:16:00,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:16:00,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:16:00,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:16:00,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:16:00,077 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:16:00,077 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:16:00,077 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:00,078 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:16:00,078 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_c36c8c7f-73e9-4de6-8280-7469489809a2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38f4dfc57b73b50e7919e55e43b6d93326d3143d501568ec0f57d0da3c3f0bca [2024-11-09 00:16:00,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:16:00,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:16:00,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:16:00,466 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:16:00,467 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:16:00,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i Unable to find full path for "g++" [2024-11-09 00:16:02,559 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:16:02,938 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:16:02,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_63_bad.i [2024-11-09 00:16:02,973 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data/0c900dace/f61adc9fde304251b0ee3b599c70e746/FLAG79aa6a0f5 [2024-11-09 00:16:03,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/data/0c900dace/f61adc9fde304251b0ee3b599c70e746 [2024-11-09 00:16:03,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:16:03,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:16:03,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:16:03,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:16:03,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:16:03,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:16:03" (1/1) ... [2024-11-09 00:16:03,151 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339ade43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:03, skipping insertion in model container [2024-11-09 00:16:03,152 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:16:03" (1/1) ... [2024-11-09 00:16:03,236 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:16:04,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:16:04,460 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:16:04,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:16:04,715 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:16:04,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04 WrapperNode [2024-11-09 00:16:04,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:16:04,717 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:16:04,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:16:04,718 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:16:04,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,762 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,794 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 48 [2024-11-09 00:16:04,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:16:04,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:16:04,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:16:04,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:16:04,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,834 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,841 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:16:04,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:16:04,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:16:04,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:16:04,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:16:04" (1/1) ... [2024-11-09 00:16:04,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:16:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:16:04,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:16:04,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:16:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:16:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:16:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:16:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:16:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:16:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:16:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:16:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:16:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:16:05,081 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:16:05,084 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:16:05,251 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-09 00:16:05,251 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:16:05,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:16:05,339 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:16:05,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:16:05 BoogieIcfgContainer [2024-11-09 00:16:05,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:16:05,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:16:05,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:16:05,351 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:16:05,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:16:05" (1/1) ... [2024-11-09 00:16:05,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:16:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:16:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:16:05,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:16:05,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:05,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:05,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:05,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:05,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:16:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:16:05,653 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:16:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:16:05,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:16:05,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:16:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:16:05,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:16:05,879 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:16:05,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:16:05 ImpRootNode [2024-11-09 00:16:05,904 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:16:05,905 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:16:05,905 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:16:05,905 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:16:05,906 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:16:05" (3/4) ... [2024-11-09 00:16:05,908 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:16:05,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:16:05,910 INFO L158 Benchmark]: Toolchain (without parser) took 2773.69ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 40.1MB in the beginning and 46.2MB in the end (delta: -6.2MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-09 00:16:05,911 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:16:05,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1576.78ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 39.9MB in the beginning and 60.0MB in the end (delta: -20.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-11-09 00:16:05,912 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.29ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 57.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:16:05,913 INFO L158 Benchmark]: Boogie Preprocessor took 54.55ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:16:05,913 INFO L158 Benchmark]: RCFGBuilder took 487.43ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 63.5MB in the end (delta: -9.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:16:05,914 INFO L158 Benchmark]: CodeCheck took 564.40ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 46.2MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:16:05,914 INFO L158 Benchmark]: Witness Printer took 4.77ms. Allocated memory is still 96.5MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:16:05,917 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1568]: 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 1559. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_fscanf_sub_63_bad() [L1551] int data; [L1552] data = 0 [L1554] CALL CWE191_Integer_Underflow__int_fscanf_sub_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 92.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1576.78ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 39.9MB in the beginning and 60.0MB in the end (delta: -20.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.29ms. Allocated memory is still 96.5MB. Free memory was 60.0MB in the beginning and 57.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.55ms. Allocated memory is still 96.5MB. Free memory was 57.0MB in the beginning and 55.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.43ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 63.5MB in the end (delta: -9.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 564.40ms. Allocated memory is still 96.5MB. Free memory was 63.5MB in the beginning and 46.2MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.77ms. Allocated memory is still 96.5MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:16:05,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36c8c7f-73e9-4de6-8280-7469489809a2/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