./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_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_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:44:12,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:44:12,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:44:12,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:44:12,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:44:12,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:44:12,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:44:12,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:44:12,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:44:12,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:44:12,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:44:12,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:44:12,481 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:44:12,482 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:44:12,483 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:44:12,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:44:12,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:44:12,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:44:12,490 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:44:12,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:44:12,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:44:12,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:44:12,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:44:12,492 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:44:12,492 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:44:12,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:44:12,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:44:12,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:44:12,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:44:12,496 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:44:12,496 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:44:12,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:44:12,497 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_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 [2024-11-08 19:44:12,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:44:12,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:44:12,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:44:12,867 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:44:12,868 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:44:12,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i Unable to find full path for "g++" [2024-11-08 19:44:14,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:44:15,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:44:15,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i [2024-11-08 19:44:15,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data/625d95823/be8aa20372a14e9c822ca3604666fa1d/FLAG82459e35b [2024-11-08 19:44:15,314 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data/625d95823/be8aa20372a14e9c822ca3604666fa1d [2024-11-08 19:44:15,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:44:15,319 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:44:15,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:44:15,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:44:15,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:44:15,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,328 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeeac3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:15, skipping insertion in model container [2024-11-08 19:44:15,329 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:44:15" (1/1) ... [2024-11-08 19:44:15,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:44:16,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:44:16,474 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:44:16,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:44:16,747 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:44:16,748 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16 WrapperNode [2024-11-08 19:44:16,748 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:44:16,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:44:16,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:44:16,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:44:16,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,822 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-08 19:44:16,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:44:16,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:44:16,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:44:16,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:44:16,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:44:16,865 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:44:16,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:44:16,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:44:16,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:16" (1/1) ... [2024-11-08 19:44:16,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:44:16,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:44:16,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:44:16,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:44:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:44:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:44:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:44:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:44:16,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:44:17,088 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:44:17,089 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:44:17,213 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 19:44:17,213 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:44:17,286 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:44:17,286 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:44:17,287 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:17 BoogieIcfgContainer [2024-11-08 19:44:17,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:44:17,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:44:17,288 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:44:17,297 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:44:17,298 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:17" (1/1) ... [2024-11-08 19:44:17,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:44:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:44:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:44:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:44:17,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:44:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:17,553 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:44:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:17,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:44:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:17,752 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:44:17,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:44:17 ImpRootNode [2024-11-08 19:44:17,796 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:44:17,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:44:17,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:44:17,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:44:17,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:17" (3/4) ... [2024-11-08 19:44:17,806 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:44:17,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:44:17,809 INFO L158 Benchmark]: Toolchain (without parser) took 2489.60ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 115.8MB in the end (delta: 3.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-08 19:44:17,809 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:17,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.93ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 93.5MB in the end (delta: 25.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-08 19:44:17,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.78ms. Allocated memory is still 159.4MB. Free memory was 93.5MB in the beginning and 90.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:44:17,814 INFO L158 Benchmark]: Boogie Preprocessor took 36.76ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 89.3MB in the end (delta: 882.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:17,815 INFO L158 Benchmark]: RCFGBuilder took 422.72ms. Allocated memory is still 159.4MB. Free memory was 89.3MB in the beginning and 74.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:44:17,816 INFO L158 Benchmark]: CodeCheck took 508.15ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 115.8MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:17,816 INFO L158 Benchmark]: Witness Printer took 8.70ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 115.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:17,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 113.2MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.93ms. Allocated memory is still 159.4MB. Free memory was 118.9MB in the beginning and 93.5MB in the end (delta: 25.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.78ms. Allocated memory is still 159.4MB. Free memory was 93.5MB in the beginning and 90.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.76ms. Allocated memory is still 159.4MB. Free memory was 90.2MB in the beginning and 89.3MB in the end (delta: 882.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 422.72ms. Allocated memory is still 159.4MB. Free memory was 89.3MB in the beginning and 74.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 508.15ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 115.8MB in the end (delta: -41.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.70ms. Allocated memory is still 159.4MB. Free memory was 115.8MB in the beginning and 115.8MB in the end (delta: 2.7kB). 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 19:44:17,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:44:20,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:44:20,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:44:20,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:44:20,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:44:20,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:44:20,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:44:20,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:44:20,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:44:20,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:44:20,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:44:20,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:44:20,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:44:20,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:44:20,714 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:44:20,715 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:44:20,715 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:44:20,715 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:44:20,716 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:44:20,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:44:20,717 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:44:20,717 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:44:20,718 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:44:20,718 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:44:20,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:44:20,719 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:44:20,719 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:44:20,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:44:20,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:44:20,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:44:20,721 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:44:20,721 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:44:20,722 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:44:20,722 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:44:20,722 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:44:20,723 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_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1653f1bc214ce60a29f8abe981be92e23c0e6eeb960e39f4066bff28355ae087 [2024-11-08 19:44:21,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:44:21,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:44:21,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:44:21,217 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:44:21,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:44:21,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i Unable to find full path for "g++" [2024-11-08 19:44:23,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:44:23,893 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:44:23,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_bad.i [2024-11-08 19:44:23,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data/72599ccb8/0ac483245bc94c1bb9d4c08559bd0935/FLAG14a0cb406 [2024-11-08 19:44:23,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/data/72599ccb8/0ac483245bc94c1bb9d4c08559bd0935 [2024-11-08 19:44:23,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:44:23,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:44:23,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:44:23,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:44:23,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:44:23,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:44:23" (1/1) ... [2024-11-08 19:44:23,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b19c70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:23, skipping insertion in model container [2024-11-08 19:44:23,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:44:23" (1/1) ... [2024-11-08 19:44:24,052 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:44:25,078 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:44:25,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:44:25,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:44:25,393 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:44:25,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25 WrapperNode [2024-11-08 19:44:25,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:44:25,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:44:25,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:44:25,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:44:25,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,452 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-08 19:44:25,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:44:25,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:44:25,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:44:25,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:44:25,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:44:25,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:44:25,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:44:25,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:44:25,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:44:25" (1/1) ... [2024-11-08 19:44:25,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:44:25,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:44:25,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:44:25,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:44:25,558 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:44:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:44:25,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:44:25,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:44:25,761 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:44:25,764 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:44:25,947 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-08 19:44:25,947 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:44:26,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:44:26,042 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:44:26,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:26 BoogieIcfgContainer [2024-11-08 19:44:26,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:44:26,043 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:44:26,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:44:26,056 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:44:26,057 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:26" (1/1) ... [2024-11-08 19:44:26,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:44:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:44:26,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-08 19:44:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-08 19:44:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 19:44:26,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:44:26,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:44:26,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:44:26,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:44:26,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:44:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:44:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:44:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:44:26,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:44:26,580 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:44:26,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:44:26 ImpRootNode [2024-11-08 19:44:26,619 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:44:26,620 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:44:26,621 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:44:26,622 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:44:26,622 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:44:26" (3/4) ... [2024-11-08 19:44:26,626 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:44:26,627 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:44:26,629 INFO L158 Benchmark]: Toolchain (without parser) took 2673.65ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.1MB in the beginning and 75.6MB in the end (delta: -32.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2024-11-08 19:44:26,629 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:26,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1437.78ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.0MB in the beginning and 48.7MB in the end (delta: -5.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 19:44:26,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.51ms. Allocated memory is still 90.2MB. Free memory was 48.7MB in the beginning and 45.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:44:26,632 INFO L158 Benchmark]: Boogie Preprocessor took 30.22ms. Allocated memory is still 90.2MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:44:26,633 INFO L158 Benchmark]: RCFGBuilder took 558.56ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 49.4MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 19:44:26,635 INFO L158 Benchmark]: CodeCheck took 576.00ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 76.2MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:26,635 INFO L158 Benchmark]: Witness Printer took 7.84ms. Allocated memory is still 109.1MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:44:26,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1561]: 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 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_fscanf_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1558] COND TRUE \read(staticTrue) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1437.78ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 43.0MB in the beginning and 48.7MB in the end (delta: -5.7MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.51ms. Allocated memory is still 90.2MB. Free memory was 48.7MB in the beginning and 45.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.22ms. Allocated memory is still 90.2MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.56ms. Allocated memory is still 90.2MB. Free memory was 43.7MB in the beginning and 49.4MB in the end (delta: -5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 576.00ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 49.0MB in the beginning and 76.2MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.84ms. Allocated memory is still 109.1MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:44:26,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90e6fc3-e79b-48bd-926a-e01cfd99ae23/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