./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_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_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:13:44,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:13:44,191 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:13:44,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:13:44,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:13:44,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:13:44,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:13:44,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:13:44,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:13:44,253 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:13:44,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:13:44,254 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:13:44,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:13:44,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:13:44,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:13:44,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:13:44,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:13:44,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:13:44,256 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:13:44,260 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:13:44,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:13:44,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:13:44,261 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:13:44,262 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:13:44,262 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:13:44,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:13:44,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:44,263 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:13:44,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:13:44,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:13:44,264 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:13:44,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:13:44,265 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_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d [2024-11-09 00:13:44,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:13:44,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:13:44,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:13:44,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:13:44,584 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:13:44,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i Unable to find full path for "g++" [2024-11-09 00:13:46,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:13:46,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:13:46,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2024-11-09 00:13:46,969 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data/46f9a8d6b/4c9af49bc0954c5b82890437023596b3/FLAG51939d7a3 [2024-11-09 00:13:46,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data/46f9a8d6b/4c9af49bc0954c5b82890437023596b3 [2024-11-09 00:13:46,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:13:46,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:13:46,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:46,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:13:47,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:13:47,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:46" (1/1) ... [2024-11-09 00:13:47,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f881af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:47, skipping insertion in model container [2024-11-09 00:13:47,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:46" (1/1) ... [2024-11-09 00:13:47,075 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:13:48,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:48,242 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:13:48,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:48,492 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:13:48,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48 WrapperNode [2024-11-09 00:13:48,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:48,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:48,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:13:48,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:13:48,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,553 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-09 00:13:48,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:48,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:13:48,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:13:48,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:13:48,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,581 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:13:48,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:13:48,582 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:13:48,582 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:13:48,583 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:48" (1/1) ... [2024-11-09 00:13:48,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:48,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:13:48,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:13:48,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:13:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:13:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:13:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:13:48,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:13:48,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:13:48,785 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:13:48,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:13:48,999 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-09 00:13:48,999 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:13:49,254 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:13:49,255 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:13:49,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:49 BoogieIcfgContainer [2024-11-09 00:13:49,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:13:49,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:13:49,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:13:49,268 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:13:49,268 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:49" (1/1) ... [2024-11-09 00:13:49,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:13:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:49,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:13:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:13:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:13:49,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:49,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:13:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:49,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:13:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:49,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:13:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:49,921 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:13:49,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:13:49 ImpRootNode [2024-11-09 00:13:49,955 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:13:49,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:13:49,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:13:49,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:13:49,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:49" (3/4) ... [2024-11-09 00:13:49,963 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:13:49,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:13:49,966 INFO L158 Benchmark]: Toolchain (without parser) took 2973.66ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 83.4MB in the beginning and 74.7MB in the end (delta: 8.7MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-09 00:13:49,967 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:13:49,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1498.47ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 83.0MB in the beginning and 93.3MB in the end (delta: -10.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-09 00:13:49,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.73ms. Allocated memory is still 157.3MB. Free memory was 93.3MB in the beginning and 90.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:13:49,970 INFO L158 Benchmark]: Boogie Preprocessor took 26.08ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:13:49,971 INFO L158 Benchmark]: RCFGBuilder took 674.29ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 111.4MB in the end (delta: -23.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-09 00:13:49,972 INFO L158 Benchmark]: CodeCheck took 698.92ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 74.7MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-09 00:13:49,974 INFO L158 Benchmark]: Witness Printer took 7.58ms. Allocated memory is still 157.3MB. Free memory was 74.7MB in the beginning and 74.7MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:13:49,978 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: 0.6s, 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, 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559, overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_51b_badSink(data) [L1567] --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 0.21ms. Allocated memory is still 121.6MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1498.47ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 83.0MB in the beginning and 93.3MB in the end (delta: -10.3MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.73ms. Allocated memory is still 157.3MB. Free memory was 93.3MB in the beginning and 90.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.08ms. Allocated memory is still 157.3MB. Free memory was 90.3MB in the beginning and 88.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 674.29ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 111.4MB in the end (delta: -23.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 698.92ms. Allocated memory is still 157.3MB. Free memory was 111.4MB in the beginning and 74.7MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 7.58ms. Allocated memory is still 157.3MB. Free memory was 74.7MB in the beginning and 74.7MB in the end (delta: 2.0kB). 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 00:13:50,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:13:52,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:13:52,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:13:52,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:13:52,431 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:13:52,431 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:13:52,432 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:13:52,435 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:13:52,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:13:52,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:13:52,437 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:13:52,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:13:52,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:13:52,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:13:52,440 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:13:52,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:13:52,442 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:13:52,442 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:13:52,442 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:13:52,443 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:13:52,443 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:13:52,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:13:52,447 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:13:52,448 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:13:52,448 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:13:52,448 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:52,449 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:13:52,449 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:13:52,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:52,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:13:52,450 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:13:52,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:13:52,451 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:13:52,452 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:52,453 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:13:52,453 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_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9fe1bf2b9178b10b540fd64eafb8aa3f4168490ff64386b1ded9c9521e21aa6d [2024-11-09 00:13:52,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:13:52,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:13:53,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:13:53,004 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:13:53,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:13:53,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i Unable to find full path for "g++" [2024-11-09 00:13:55,091 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:13:55,427 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:13:55,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_51_bad.i [2024-11-09 00:13:55,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data/bd7cbb79c/7de1a769ac0a44eb8b4c400fa66094b2/FLAGc292c3106 [2024-11-09 00:13:55,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/data/bd7cbb79c/7de1a769ac0a44eb8b4c400fa66094b2 [2024-11-09 00:13:55,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:13:55,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:13:55,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:55,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:13:55,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:13:55,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:55" (1/1) ... [2024-11-09 00:13:55,486 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca834d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:55, skipping insertion in model container [2024-11-09 00:13:55,486 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:55" (1/1) ... [2024-11-09 00:13:55,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:13:56,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:56,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:13:56,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:56,826 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:13:56,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56 WrapperNode [2024-11-09 00:13:56,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:56,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:56,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:13:56,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:13:56,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,903 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-09 00:13:56,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:56,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:13:56,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:13:56,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:13:56,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:13:56,946 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:13:56,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:13:56,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:13:56,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:56" (1/1) ... [2024-11-09 00:13:56,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:56,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:13:56,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:13:57,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:13:57,037 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:13:57,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:13:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:13:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:13:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:13:57,276 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:13:57,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:13:57,456 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-09 00:13:57,456 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:13:57,561 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:13:57,561 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:13:57,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:57 BoogieIcfgContainer [2024-11-09 00:13:57,562 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:13:57,563 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:13:57,563 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:13:57,575 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:13:57,576 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:57" (1/1) ... [2024-11-09 00:13:57,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:13:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 00:13:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 00:13:57,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:13:57,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:57,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:57,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:57,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:57,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:13:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:57,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:13:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:58,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:13:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:13:58,042 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:13:58,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:13:58,046 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:13:58,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:13:58 ImpRootNode [2024-11-09 00:13:58,084 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:13:58,086 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:13:58,086 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:13:58,086 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:13:58,087 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:57" (3/4) ... [2024-11-09 00:13:58,091 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:13:58,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:13:58,093 INFO L158 Benchmark]: Toolchain (without parser) took 2616.51ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 37.0MB in the beginning and 58.2MB in the end (delta: -21.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 00:13:58,094 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:13:58,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1348.60ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 36.8MB in the beginning and 37.2MB in the end (delta: -442.0kB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-09 00:13:58,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.61ms. Allocated memory is still 94.4MB. Free memory was 37.2MB in the beginning and 65.0MB in the end (delta: -27.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-09 00:13:58,096 INFO L158 Benchmark]: Boogie Preprocessor took 38.66ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 63.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:13:58,097 INFO L158 Benchmark]: RCFGBuilder took 615.64ms. Allocated memory is still 94.4MB. Free memory was 62.5MB in the beginning and 43.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 00:13:58,098 INFO L158 Benchmark]: CodeCheck took 521.74ms. Allocated memory is still 94.4MB. Free memory was 43.6MB in the beginning and 58.2MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:13:58,099 INFO L158 Benchmark]: Witness Printer took 6.60ms. Allocated memory is still 94.4MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:13:58,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1559. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_51b_badSink(data) [L1567] --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 0.22ms. Allocated memory is still 67.1MB. Free memory was 43.6MB in the beginning and 43.6MB in the end (delta: 81.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1348.60ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 36.8MB in the beginning and 37.2MB in the end (delta: -442.0kB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.61ms. Allocated memory is still 94.4MB. Free memory was 37.2MB in the beginning and 65.0MB in the end (delta: -27.7MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.66ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 63.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.64ms. Allocated memory is still 94.4MB. Free memory was 62.5MB in the beginning and 43.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 521.74ms. Allocated memory is still 94.4MB. Free memory was 43.6MB in the beginning and 58.2MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.60ms. Allocated memory is still 94.4MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:13:58,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c92bf61f-a1a8-41dc-8657-d9172b216f4a/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