./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:15:22,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:15:22,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:15:22,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:15:22,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:15:22,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:15:22,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:15:22,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:15:22,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:15:22,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:15:22,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:15:22,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:15:22,899 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:15:22,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:15:22,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:15:22,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:15:22,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:15:22,901 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:15:22,901 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:15:22,901 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:15:22,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:15:22,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:15:22,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:15:22,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:15:22,907 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:15:22,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:15:22,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:22,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:15:22,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:15:22,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:15:22,909 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:15:22,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:15:22,910 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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2024-11-09 00:15:23,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:15:23,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:15:23,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:15:23,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:15:23,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:15:23,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i Unable to find full path for "g++" [2024-11-09 00:15:25,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:15:25,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:15:25,751 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2024-11-09 00:15:25,790 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data/f1d082bb2/48d291d657a54a52be97b528af728548/FLAG46ad55529 [2024-11-09 00:15:25,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data/f1d082bb2/48d291d657a54a52be97b528af728548 [2024-11-09 00:15:25,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:15:25,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:15:25,930 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:25,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:15:25,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:15:25,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:25" (1/1) ... [2024-11-09 00:15:25,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149e6ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:25, skipping insertion in model container [2024-11-09 00:15:25,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:25" (1/1) ... [2024-11-09 00:15:26,011 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:15:27,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:27,193 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:15:27,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:27,521 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:15:27,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27 WrapperNode [2024-11-09 00:15:27,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:27,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:27,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:15:27,524 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:15:27,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,605 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 139 [2024-11-09 00:15:27,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:27,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:15:27,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:15:27,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:15:27,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,627 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,646 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:15:27,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:15:27,647 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:15:27,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:15:27,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:27" (1/1) ... [2024-11-09 00:15:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:27,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:15:27,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:15:27,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:15:27,736 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:15:27,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:15:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:15:27,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:15:27,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:15:27,927 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:15:27,930 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:15:28,211 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-09 00:15:28,211 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:15:28,452 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:15:28,453 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:15:28,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:28 BoogieIcfgContainer [2024-11-09 00:15:28,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:15:28,454 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:15:28,455 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:15:28,466 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:15:28,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:28" (1/1) ... [2024-11-09 00:15:28,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:15:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-09 00:15:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-09 00:15:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:15:28,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:28,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:15:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:28,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:15:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:29,157 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:15:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:29,262 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:15:29,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:15:29 ImpRootNode [2024-11-09 00:15:29,300 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:15:29,302 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:15:29,302 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:15:29,302 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:15:29,303 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:28" (3/4) ... [2024-11-09 00:15:29,307 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:15:29,308 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:15:29,309 INFO L158 Benchmark]: Toolchain (without parser) took 3380.58ms. Allocated memory is still 151.0MB. Free memory was 108.7MB in the beginning and 100.7MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 00:15:29,309 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 100.7MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:29,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1592.09ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 78.8MB in the end (delta: 29.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-11-09 00:15:29,311 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.33ms. Allocated memory is still 151.0MB. Free memory was 78.8MB in the beginning and 75.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:15:29,311 INFO L158 Benchmark]: Boogie Preprocessor took 39.71ms. Allocated memory is still 151.0MB. Free memory was 75.5MB in the beginning and 74.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:15:29,312 INFO L158 Benchmark]: RCFGBuilder took 806.51ms. Allocated memory is still 151.0MB. Free memory was 74.1MB in the beginning and 86.0MB in the end (delta: -11.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-09 00:15:29,314 INFO L158 Benchmark]: CodeCheck took 845.40ms. Allocated memory is still 151.0MB. Free memory was 86.0MB in the beginning and 101.7MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:29,315 INFO L158 Benchmark]: Witness Printer took 6.56ms. Allocated memory is still 151.0MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 990.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:15:29,320 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, 20 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578, overapproximation of bitwiseOr at line 1555. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: [L1565] 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 0.15ms. Allocated memory is still 100.7MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1592.09ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 78.8MB in the end (delta: 29.6MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.33ms. Allocated memory is still 151.0MB. Free memory was 78.8MB in the beginning and 75.5MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.71ms. Allocated memory is still 151.0MB. Free memory was 75.5MB in the beginning and 74.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 806.51ms. Allocated memory is still 151.0MB. Free memory was 74.1MB in the beginning and 86.0MB in the end (delta: -11.9MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 845.40ms. Allocated memory is still 151.0MB. Free memory was 86.0MB in the beginning and 101.7MB in the end (delta: -15.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.56ms. Allocated memory is still 151.0MB. Free memory was 101.7MB in the beginning and 100.7MB in the end (delta: 990.7kB). 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 [2024-11-09 00:15:29,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:15:31,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:15:32,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:15:32,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:15:32,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:15:32,068 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:15:32,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:15:32,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:15:32,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:15:32,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:15:32,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:15:32,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:15:32,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:15:32,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:15:32,079 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:15:32,079 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:15:32,080 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:15:32,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:15:32,081 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:15:32,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:15:32,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:15:32,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:15:32,084 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:15:32,084 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:15:32,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:15:32,085 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:32,086 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:15:32,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:15:32,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:32,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:15:32,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:15:32,087 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:15:32,088 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:15:32,089 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:32,089 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:15:32,090 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_b8ff4576-aec8-46b3-ad2d-45c1a3519812/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90aa6c1ebc353e827c4144d5889d21bd353c41e4cd52414fcd72b08d0d8a7ec6 [2024-11-09 00:15:32,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:15:32,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:15:32,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:15:32,585 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:15:32,585 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:15:32,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i Unable to find full path for "g++" [2024-11-09 00:15:34,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:15:35,338 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:15:35,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_15_bad.i [2024-11-09 00:15:35,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data/b10776a7b/2360aacaac674fdcb2e8ec844ee97266/FLAGf3f16bdbd [2024-11-09 00:15:35,393 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/data/b10776a7b/2360aacaac674fdcb2e8ec844ee97266 [2024-11-09 00:15:35,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:15:35,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:15:35,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:35,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:15:35,406 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:15:35,407 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:35" (1/1) ... [2024-11-09 00:15:35,408 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a5adae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:35, skipping insertion in model container [2024-11-09 00:15:35,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:15:35" (1/1) ... [2024-11-09 00:15:35,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:15:36,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:36,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:15:36,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:15:36,943 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:15:36,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36 WrapperNode [2024-11-09 00:15:36,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:15:36,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:36,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:15:36,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:15:36,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:36,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,018 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-09 00:15:37,021 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:15:37,022 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:15:37,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:15:37,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:15:37,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:15:37,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:15:37,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:15:37,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:15:37,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:15:36" (1/1) ... [2024-11-09 00:15:37,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:15:37,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:15:37,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:15:37,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:15:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:15:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:15:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:15:37,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:15:37,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:15:37,321 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:15:37,324 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:15:37,584 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-09 00:15:37,584 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:15:37,687 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:15:37,687 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:15:37,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:37 BoogieIcfgContainer [2024-11-09 00:15:37,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:15:37,692 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:15:37,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:15:37,705 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:15:37,705 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:37" (1/1) ... [2024-11-09 00:15:37,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:15:37,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-09 00:15:37,791 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-09 00:15:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:15:37,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:37,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:37,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:37,797 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:37,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:15:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:38,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:15:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:38,221 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:15:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:15:38,271 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:15:38,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:38,281 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:15:38,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:15:38 ImpRootNode [2024-11-09 00:15:38,328 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:15:38,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:15:38,329 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:15:38,329 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:15:38,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:15:37" (3/4) ... [2024-11-09 00:15:38,333 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:15:38,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:15:38,336 INFO L158 Benchmark]: Toolchain (without parser) took 2936.53ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.8MB in the beginning and 50.4MB in the end (delta: -2.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-09 00:15:38,336 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:38,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1543.71ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 29.8MB in the end (delta: 17.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:15:38,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.78ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 29.8MB in the beginning and 64.0MB in the end (delta: -34.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-09 00:15:38,340 INFO L158 Benchmark]: Boogie Preprocessor took 37.89ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:15:38,341 INFO L158 Benchmark]: RCFGBuilder took 630.37ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 42.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:15:38,341 INFO L158 Benchmark]: CodeCheck took 636.15ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 50.8MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:38,342 INFO L158 Benchmark]: Witness Printer took 5.65ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 50.4MB in the end (delta: 400.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:15:38,349 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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: 1565]: 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 1578. 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); [L1578] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] 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] [L1579] CALL CWE191_Integer_Underflow__int_rand_postdec_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: [L1565] 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 0.35ms. Allocated memory is still 58.7MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1543.71ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 29.8MB in the end (delta: 17.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.78ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 29.8MB in the beginning and 64.0MB in the end (delta: -34.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.89ms. Allocated memory is still 92.3MB. Free memory was 64.0MB in the beginning and 61.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 630.37ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 42.5MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 636.15ms. Allocated memory is still 92.3MB. Free memory was 42.0MB in the beginning and 50.8MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.65ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 50.4MB in the end (delta: 400.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:15:38,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8ff4576-aec8-46b3-ad2d-45c1a3519812/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample