./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_66_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/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_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/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_65f49ea9-cc24-45dc-aa8d-211ae499702b/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 e526a64a78adc48af6d11cc72a06b12cec3371683efd8ed28ecdb5e7b4223443 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:02:41,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:02:41,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:02:41,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:02:41,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:02:41,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:02:41,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:02:41,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:02:41,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:02:41,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:02:41,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:02:41,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:02:41,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:02:41,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:02:41,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:02:41,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:02:41,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:02:41,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:02:41,339 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:02:41,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:02:41,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:02:41,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:02:41,344 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:02:41,344 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:02:41,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:02:41,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:02:41,345 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:41,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:02:41,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:02:41,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:02:41,346 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:02:41,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:02:41,347 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_65f49ea9-cc24-45dc-aa8d-211ae499702b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e526a64a78adc48af6d11cc72a06b12cec3371683efd8ed28ecdb5e7b4223443 [2024-11-08 23:02:41,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:02:41,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:02:41,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:02:41,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:02:41,661 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:02:41,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_66_bad.i Unable to find full path for "g++" [2024-11-08 23:02:43,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:02:44,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:02:44,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_66_bad.i [2024-11-08 23:02:44,262 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data/10442702b/2a0e8b53237d4d5a83327726ef62a001/FLAGaad51b2a2 [2024-11-08 23:02:44,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data/10442702b/2a0e8b53237d4d5a83327726ef62a001 [2024-11-08 23:02:44,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:02:44,290 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:02:44,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:44,291 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:02:44,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:02:44,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:44" (1/1) ... [2024-11-08 23:02:44,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4d343c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:44, skipping insertion in model container [2024-11-08 23:02:44,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:44" (1/1) ... [2024-11-08 23:02:44,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:02:45,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:45,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:02:45,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:45,878 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:02:45,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45 WrapperNode [2024-11-08 23:02:45,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:45,880 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:45,880 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:02:45,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:02:45,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,921 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,954 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 23:02:45,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:45,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:02:45,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:02:45,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:02:45,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:45,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:02:45,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:02:45,998 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:02:45,998 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:02:45,999 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:45" (1/1) ... [2024-11-08 23:02:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:46,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:02:46,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:02:46,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:02:46,080 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:02:46,080 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:02:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:02:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:02:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:02:46,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:02:46,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:02:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:02:46,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:02:46,232 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:02:46,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:02:46,356 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-08 23:02:46,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:02:46,398 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:02:46,399 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:02:46,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:46 BoogieIcfgContainer [2024-11-08 23:02:46,399 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:02:46,400 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:02:46,401 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:02:46,419 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:02:46,420 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:46" (1/1) ... [2024-11-08 23:02:46,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:02:46,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:02:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:02:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:02:46,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:46,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:02:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:46,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:02:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:46,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:02:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:46,862 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:02:46,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:02:46 ImpRootNode [2024-11-08 23:02:46,902 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:02:46,903 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:02:46,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:02:46,906 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:02:46,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:46" (3/4) ... [2024-11-08 23:02:46,911 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:02:46,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:02:46,914 INFO L158 Benchmark]: Toolchain (without parser) took 2624.25ms. Allocated memory is still 157.3MB. Free memory was 118.1MB in the beginning and 113.9MB in the end (delta: 4.2MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2024-11-08 23:02:46,915 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:02:46,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1588.29ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 90.3MB in the end (delta: 27.3MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2024-11-08 23:02:46,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.11ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 87.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:02:46,918 INFO L158 Benchmark]: Boogie Preprocessor took 38.35ms. Allocated memory is still 157.3MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:02:46,919 INFO L158 Benchmark]: RCFGBuilder took 405.61ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 71.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:02:46,920 INFO L158 Benchmark]: CodeCheck took 502.16ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 113.9MB in the end (delta: -42.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:02:46,920 INFO L158 Benchmark]: Witness Printer took 10.11ms. Allocated memory is still 157.3MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:02:46,924 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_min_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_min_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1588.29ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 90.3MB in the end (delta: 27.3MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.11ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 87.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.35ms. Allocated memory is still 157.3MB. Free memory was 87.4MB in the beginning and 86.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.61ms. Allocated memory is still 157.3MB. Free memory was 86.1MB in the beginning and 71.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 502.16ms. Allocated memory is still 157.3MB. Free memory was 71.4MB in the beginning and 113.9MB in the end (delta: -42.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.11ms. Allocated memory is still 157.3MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:02:46,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/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_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/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_65f49ea9-cc24-45dc-aa8d-211ae499702b/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 e526a64a78adc48af6d11cc72a06b12cec3371683efd8ed28ecdb5e7b4223443 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:02:49,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:02:49,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:02:49,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:02:49,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:02:49,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:02:49,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:02:49,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:02:49,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:02:49,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:02:49,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:02:49,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:02:49,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:02:49,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:02:49,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:02:49,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:02:49,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:02:49,563 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:02:49,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:02:49,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:02:49,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:02:49,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:02:49,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:02:49,565 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:02:49,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:02:49,566 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:49,566 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:02:49,567 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:02:49,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:49,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:02:49,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:02:49,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:02:49,571 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:02:49,571 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:49,572 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:02:49,572 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_65f49ea9-cc24-45dc-aa8d-211ae499702b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e526a64a78adc48af6d11cc72a06b12cec3371683efd8ed28ecdb5e7b4223443 [2024-11-08 23:02:50,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:02:50,024 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:02:50,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:02:50,029 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:02:50,030 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:02:50,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_66_bad.i Unable to find full path for "g++" [2024-11-08 23:02:52,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:02:52,515 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:02:52,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_66_bad.i [2024-11-08 23:02:52,549 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data/8f09a12d3/f265d541cc1d44c5b1aead712ba29299/FLAGa4aa48c98 [2024-11-08 23:02:52,681 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/data/8f09a12d3/f265d541cc1d44c5b1aead712ba29299 [2024-11-08 23:02:52,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:02:52,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:02:52,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:52,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:02:52,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:02:52,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:52" (1/1) ... [2024-11-08 23:02:52,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb2d969 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:52, skipping insertion in model container [2024-11-08 23:02:52,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:02:52" (1/1) ... [2024-11-08 23:02:52,805 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:02:54,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:54,112 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:02:54,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:02:54,396 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:02:54,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54 WrapperNode [2024-11-08 23:02:54,397 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:02:54,398 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:54,398 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:02:54,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:02:54,407 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,458 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 50 [2024-11-08 23:02:54,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:02:54,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:02:54,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:02:54,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:02:54,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,472 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:02:54,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:02:54,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:02:54,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:02:54,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:54,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:02:54,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:02:54,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:02:54,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:02:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:02:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:02:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:02:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:02:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:02:54,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:02:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:02:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:02:54,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:02:54,754 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:02:54,757 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:02:54,909 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-08 23:02:54,909 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:02:54,993 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:02:54,993 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:02:54,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:54 BoogieIcfgContainer [2024-11-08 23:02:54,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:02:54,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:02:54,997 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:02:55,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:02:55,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:54" (1/1) ... [2024-11-08 23:02:55,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:02:55,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:55,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:02:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:02:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:02:55,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:55,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:55,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:55,096 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:55,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:02:55,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:55,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:02:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:55,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:02:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:02:55,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:02:55,538 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:02:55,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:02:55 ImpRootNode [2024-11-08 23:02:55,571 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:02:55,571 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:02:55,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:02:55,573 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:02:55,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:02:54" (3/4) ... [2024-11-08 23:02:55,577 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:02:55,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:02:55,582 INFO L158 Benchmark]: Toolchain (without parser) took 2894.01ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 55.7MB in the beginning and 50.0MB in the end (delta: 5.8MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-08 23:02:55,583 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:02:55,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1706.78ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 50.5MB in the end (delta: 5.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2024-11-08 23:02:55,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.26ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:02:55,586 INFO L158 Benchmark]: Boogie Preprocessor took 31.99ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:02:55,587 INFO L158 Benchmark]: RCFGBuilder took 504.33ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 45.4MB in the beginning and 66.7MB in the end (delta: -21.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-08 23:02:55,587 INFO L158 Benchmark]: CodeCheck took 574.24ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 50.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:02:55,588 INFO L158 Benchmark]: Witness Printer took 10.12ms. Allocated memory is still 100.7MB. Free memory was 50.8MB in the beginning and 50.0MB in the end (delta: 835.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:02:55,591 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: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_min_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] data = (-0x7fffffff - 1) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_min_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1706.78ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 50.5MB in the end (delta: 5.0MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.26ms. Allocated memory is still 83.9MB. Free memory was 50.5MB in the beginning and 47.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.99ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 45.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 504.33ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 45.4MB in the beginning and 66.7MB in the end (delta: -21.3MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 574.24ms. Allocated memory is still 100.7MB. Free memory was 66.7MB in the beginning and 50.8MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 10.12ms. Allocated memory is still 100.7MB. Free memory was 50.8MB in the beginning and 50.0MB in the end (delta: 835.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:02:55,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65f49ea9-cc24-45dc-aa8d-211ae499702b/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