./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_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_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/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_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/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_4854bc15-48b1-4e13-ba04-e322af5d3773/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:16:08,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:16:08,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:16:08,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:16:08,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:16:08,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:16:08,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:16:08,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:16:08,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:16:08,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:16:08,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:16:08,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:16:08,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:16:08,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:16:08,226 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:16:08,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:16:08,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:16:08,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:16:08,233 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:16:08,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:16:08,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:16:08,234 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:16:08,235 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:16:08,235 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:16:08,236 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:16:08,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:16:08,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:08,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:16:08,238 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:16:08,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:16:08,238 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:16:08,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:16:08,239 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_4854bc15-48b1-4e13-ba04-e322af5d3773/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-11-08 22:16:08,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:16:08,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:16:08,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:16:08,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:16:08,654 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:16:08,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i Unable to find full path for "g++" [2024-11-08 22:16:11,014 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:16:11,583 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:16:11,586 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-08 22:16:11,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data/3f1049683/08a19ba8f7e5497b8c2322999d28ce95/FLAG41d28f4db [2024-11-08 22:16:12,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data/3f1049683/08a19ba8f7e5497b8c2322999d28ce95 [2024-11-08 22:16:12,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:16:12,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:16:12,131 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:12,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:16:12,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:16:12,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:12" (1/1) ... [2024-11-08 22:16:12,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24968b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:12, skipping insertion in model container [2024-11-08 22:16:12,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:12" (1/1) ... [2024-11-08 22:16:12,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:16:13,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:13,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:16:13,662 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:13,856 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:16:13,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13 WrapperNode [2024-11-08 22:16:13,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:13,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:13,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:16:13,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:16:13,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:13,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:13,955 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2024-11-08 22:16:13,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:13,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:16:13,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:16:13,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:16:13,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:13,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:13,983 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:13,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:13,995 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:14,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:14,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:14,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:14,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:16:14,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:16:14,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:16:14,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:16:14,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:13" (1/1) ... [2024-11-08 22:16:14,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:14,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:16:14,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:16:14,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:16:14,126 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:16:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:16:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:16:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:16:14,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:16:14,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:16:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:16:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:16:14,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:16:14,328 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:16:14,331 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:16:14,624 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-08 22:16:14,624 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:16:14,917 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:16:14,918 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:16:14,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:14 BoogieIcfgContainer [2024-11-08 22:16:14,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:16:14,920 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:16:14,920 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:16:14,933 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:16:14,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:14" (1/1) ... [2024-11-08 22:16:14,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:16:15,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:16:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:16:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:16:15,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:15,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:16:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:15,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:15,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:15,865 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:16:15,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:16:15 ImpRootNode [2024-11-08 22:16:15,896 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:16:15,898 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:16:15,898 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:16:15,898 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:16:15,899 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:14" (3/4) ... [2024-11-08 22:16:15,904 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:16:15,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:16:15,908 INFO L158 Benchmark]: Toolchain (without parser) took 3778.91ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 99.7MB in the end (delta: 32.5MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2024-11-08 22:16:15,909 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:15,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1726.13ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 117.5MB in the end (delta: 14.2MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-11-08 22:16:15,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.22ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 114.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:16:15,912 INFO L158 Benchmark]: Boogie Preprocessor took 57.83ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 113.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:15,913 INFO L158 Benchmark]: RCFGBuilder took 903.87ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 72.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 22:16:15,914 INFO L158 Benchmark]: CodeCheck took 976.86ms. Allocated memory is still 163.6MB. Free memory was 72.4MB in the beginning and 99.7MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:15,916 INFO L158 Benchmark]: Witness Printer took 9.30ms. Allocated memory is still 163.6MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:15,919 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: 0.9s, 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: 1573]: 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 1565, overapproximation of bitwiseOr at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1558] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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 0.41ms. Allocated memory is still 121.6MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1726.13ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 117.5MB in the end (delta: 14.2MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.22ms. Allocated memory is still 163.6MB. Free memory was 117.5MB in the beginning and 114.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.83ms. Allocated memory is still 163.6MB. Free memory was 114.4MB in the beginning and 113.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 903.87ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 72.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 976.86ms. Allocated memory is still 163.6MB. Free memory was 72.4MB in the beginning and 99.7MB in the end (delta: -27.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.30ms. Allocated memory is still 163.6MB. Free memory is still 99.7MB. 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 22:16:15,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/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_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/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_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/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_4854bc15-48b1-4e13-ba04-e322af5d3773/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 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:16:18,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:16:18,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 22:16:19,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:16:19,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:16:19,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:16:19,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:16:19,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:16:19,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:16:19,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:16:19,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:16:19,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:16:19,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:16:19,022 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:16:19,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:16:19,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:16:19,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:16:19,026 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:16:19,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:16:19,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:16:19,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:16:19,028 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:16:19,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:16:19,032 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:16:19,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:16:19,033 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:19,033 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:16:19,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:16:19,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:19,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:16:19,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:16:19,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:16:19,036 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:16:19,037 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:19,037 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:16:19,038 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_4854bc15-48b1-4e13-ba04-e322af5d3773/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a56d6a88741e6a1d774d3aaeec0d446c56e2c5b857f14db04fbcae14fada63 [2024-11-08 22:16:19,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:16:19,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:16:19,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:16:19,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:16:19,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:16:19,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i Unable to find full path for "g++" [2024-11-08 22:16:21,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:16:22,310 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:16:22,311 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_bad.i [2024-11-08 22:16:22,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data/349ccd3c4/838211c09e194b34a4caafb0d1b514f5/FLAG8384d4da9 [2024-11-08 22:16:22,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/data/349ccd3c4/838211c09e194b34a4caafb0d1b514f5 [2024-11-08 22:16:22,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:16:22,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:16:22,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:22,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:16:22,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:16:22,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:22" (1/1) ... [2024-11-08 22:16:22,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d1b2616 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:22, skipping insertion in model container [2024-11-08 22:16:22,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:16:22" (1/1) ... [2024-11-08 22:16:22,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:16:23,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:24,008 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:16:24,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:16:24,277 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:16:24,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24 WrapperNode [2024-11-08 22:16:24,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:16:24,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:24,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:16:24,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:16:24,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,357 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-08 22:16:24,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:16:24,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:16:24,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:16:24,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:16:24,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,414 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:16:24,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:16:24,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:16:24,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:16:24,439 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:16:24" (1/1) ... [2024-11-08 22:16:24,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:16:24,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:16:24,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:16:24,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:16:24,542 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 22:16:24,543 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 22:16:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:16:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:16:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:16:24,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:16:24,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:16:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:16:24,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:16:24,764 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:16:24,767 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:16:25,104 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-08 22:16:25,104 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:16:25,236 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:16:25,238 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:16:25,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:25 BoogieIcfgContainer [2024-11-08 22:16:25,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:16:25,240 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:16:25,240 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:16:25,253 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:16:25,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:25" (1/1) ... [2024-11-08 22:16:25,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:16:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 22:16:25,348 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 22:16:25,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:16:25,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:25,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:25,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:25,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:25,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:16:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:25,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:25,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:16:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:16:26,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 22:16:26,121 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:16:26,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:16:26 ImpRootNode [2024-11-08 22:16:26,165 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:16:26,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:16:26,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:16:26,168 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:16:26,170 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:16:25" (3/4) ... [2024-11-08 22:16:26,173 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:16:26,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:16:26,176 INFO L158 Benchmark]: Toolchain (without parser) took 3783.84ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 37.5MB in the beginning and 27.1MB in the end (delta: 10.4MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-11-08 22:16:26,177 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:26,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1882.10ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 37.4MB in the beginning and 48.2MB in the end (delta: -10.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-08 22:16:26,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.38ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 45.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:16:26,179 INFO L158 Benchmark]: Boogie Preprocessor took 73.72ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:16:26,181 INFO L158 Benchmark]: RCFGBuilder took 801.52ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 47.0MB in the end (delta: -4.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:16:26,182 INFO L158 Benchmark]: CodeCheck took 925.82ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 27.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:16:26,183 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 83.9MB. Free memory was 27.6MB in the beginning and 27.1MB in the end (delta: 484.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:16:26,191 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: 0.8s, 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, 0.1s 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: 1573]: 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 1565. 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); [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_rand_postdec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_rand_postdec_67_structType myStruct; [L1557] data = 0 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1558] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] 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 0.41ms. Allocated memory is still 65.0MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1882.10ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 37.4MB in the beginning and 48.2MB in the end (delta: -10.8MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.38ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 45.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.72ms. Allocated memory is still 83.9MB. Free memory was 45.0MB in the beginning and 42.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 801.52ms. Allocated memory is still 83.9MB. Free memory was 42.9MB in the beginning and 47.0MB in the end (delta: -4.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 925.82ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 27.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 83.9MB. Free memory was 27.6MB in the beginning and 27.1MB in the end (delta: 484.4kB). 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 22:16:26,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4854bc15-48b1-4e13-ba04-e322af5d3773/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