./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/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_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/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_599151be-d8ce-4ea0-b397-df9262fc9b5c/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:34:20,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:34:20,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:34:20,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:34:20,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:34:20,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:34:20,450 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:34:20,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:34:20,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:34:20,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:34:20,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:34:20,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:34:20,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:34:20,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:34:20,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:34:20,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:34:20,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:34:20,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:34:20,455 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:34:20,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:34:20,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:34:20,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:34:20,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:34:20,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:34:20,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:34:20,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:34:20,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:20,462 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:34:20,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:34:20,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:34:20,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:34:20,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:34:20,464 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_599151be-d8ce-4ea0-b397-df9262fc9b5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2024-11-08 19:34:20,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:34:20,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:34:20,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:34:20,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:34:20,780 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:34:20,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i Unable to find full path for "g++" [2024-11-08 19:34:22,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:34:23,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:34:23,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2024-11-08 19:34:23,157 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data/da6df5ae5/dee4d2352050460caf210e4531f756a7/FLAGb9c4e46b7 [2024-11-08 19:34:23,364 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data/da6df5ae5/dee4d2352050460caf210e4531f756a7 [2024-11-08 19:34:23,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:34:23,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:34:23,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:23,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:34:23,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:34:23,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:23" (1/1) ... [2024-11-08 19:34:23,385 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b1c373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:23, skipping insertion in model container [2024-11-08 19:34:23,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:23" (1/1) ... [2024-11-08 19:34:23,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:34:24,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:24,463 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:34:24,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:24,780 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:34:24,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24 WrapperNode [2024-11-08 19:34:24,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:24,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:24,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:34:24,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:34:24,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,838 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-08 19:34:24,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:24,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:34:24,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:34:24,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:34:24,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,864 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,868 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:34:24,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:34:24,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:34:24,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:34:24,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:24" (1/1) ... [2024-11-08 19:34:24,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:24,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:34:24,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:34:24,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:34:24,937 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:34:24,938 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:34:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:34:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:34:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:34:24,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:34:24,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:34:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:34:24,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:34:25,105 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:34:25,106 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:34:25,329 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-08 19:34:25,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:34:25,626 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:34:25,626 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:34:25,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:25 BoogieIcfgContainer [2024-11-08 19:34:25,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:34:25,628 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:34:25,628 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:34:25,640 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:34:25,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:25" (1/1) ... [2024-11-08 19:34:25,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:34:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:34:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:34:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:34:25,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:34:25,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:34:25,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:34:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:26,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:26,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:26,377 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:34:26,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:34:26 ImpRootNode [2024-11-08 19:34:26,416 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:34:26,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:34:26,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:34:26,417 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:34:26,418 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:25" (3/4) ... [2024-11-08 19:34:26,422 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:34:26,423 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:34:26,425 INFO L158 Benchmark]: Toolchain (without parser) took 3048.91ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 94.8MB in the end (delta: 41.7MB). Peak memory consumption was 44.2MB. Max. memory is 16.1GB. [2024-11-08 19:34:26,425 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:26,426 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1404.30ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 112.5MB in the end (delta: 24.0MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-11-08 19:34:26,426 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.47ms. Allocated memory is still 176.2MB. Free memory was 112.5MB in the beginning and 109.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:26,427 INFO L158 Benchmark]: Boogie Preprocessor took 28.75ms. Allocated memory is still 176.2MB. Free memory was 109.5MB in the beginning and 108.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:26,428 INFO L158 Benchmark]: RCFGBuilder took 758.26ms. Allocated memory is still 176.2MB. Free memory was 108.4MB in the beginning and 137.8MB in the end (delta: -29.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-08 19:34:26,430 INFO L158 Benchmark]: CodeCheck took 788.58ms. Allocated memory is still 176.2MB. Free memory was 137.8MB in the beginning and 95.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-08 19:34:26,431 INFO L158 Benchmark]: Witness Printer took 7.37ms. Allocated memory is still 176.2MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:26,438 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570, overapproximation of bitwiseOr at line 1556. 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); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 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 0.24ms. Allocated memory is still 121.6MB. Free memory is still 68.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1404.30ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 112.5MB in the end (delta: 24.0MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.47ms. Allocated memory is still 176.2MB. Free memory was 112.5MB in the beginning and 109.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.75ms. Allocated memory is still 176.2MB. Free memory was 109.5MB in the beginning and 108.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.26ms. Allocated memory is still 176.2MB. Free memory was 108.4MB in the beginning and 137.8MB in the end (delta: -29.5MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * CodeCheck took 788.58ms. Allocated memory is still 176.2MB. Free memory was 137.8MB in the beginning and 95.9MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 7.37ms. Allocated memory is still 176.2MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:34:26,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/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_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/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_599151be-d8ce-4ea0-b397-df9262fc9b5c/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:34:28,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:34:28,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:34:29,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:34:29,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:34:29,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:34:29,035 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:34:29,035 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:34:29,036 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:34:29,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:34:29,037 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:34:29,037 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:34:29,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:34:29,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:34:29,039 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:34:29,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:34:29,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:34:29,041 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:34:29,041 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:34:29,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:34:29,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:34:29,046 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:34:29,047 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:34:29,047 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:34:29,047 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:34:29,048 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:29,048 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:34:29,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:34:29,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:29,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:34:29,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:34:29,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:34:29,049 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:34:29,050 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:29,053 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:34:29,053 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_599151be-d8ce-4ea0-b397-df9262fc9b5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2024-11-08 19:34:29,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:34:29,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:34:29,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:34:29,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:34:29,497 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:34:29,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i Unable to find full path for "g++" [2024-11-08 19:34:31,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:34:31,899 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:34:31,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2024-11-08 19:34:31,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data/4dfa5539e/08e79c8c2266449c96e257ad3925eb66/FLAG944c3ce38 [2024-11-08 19:34:31,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/data/4dfa5539e/08e79c8c2266449c96e257ad3925eb66 [2024-11-08 19:34:31,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:34:31,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:34:31,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:31,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:34:31,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:34:31,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:31" (1/1) ... [2024-11-08 19:34:31,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35bd0d7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:31, skipping insertion in model container [2024-11-08 19:34:31,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:31" (1/1) ... [2024-11-08 19:34:32,049 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:34:33,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:33,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:34:33,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:33,406 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:34:33,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33 WrapperNode [2024-11-08 19:34:33,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:33,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:33,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:34:33,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:34:33,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,446 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,472 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-08 19:34:33,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:33,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:34:33,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:34:33,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:34:33,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:34:33,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:34:33,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:34:33,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:34:33,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:33" (1/1) ... [2024-11-08 19:34:33,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:33,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:34:33,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:34:33,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:34:33,601 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:34:33,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:34:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:34:33,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:34:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:34:33,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:34:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 19:34:33,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 19:34:33,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 19:34:33,810 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:34:33,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:34:34,041 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-08 19:34:34,041 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:34:34,145 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:34:34,149 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:34:34,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:34 BoogieIcfgContainer [2024-11-08 19:34:34,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:34:34,150 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:34:34,151 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:34:34,162 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:34:34,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:34" (1/1) ... [2024-11-08 19:34:34,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:34:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:34:34,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:34:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:34:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:34:34,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:34:34,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:34,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:34:34,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:34:34,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:34:34,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:34,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:34,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:34,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:34:34,788 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:34:34,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:34:34 ImpRootNode [2024-11-08 19:34:34,825 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:34:34,827 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:34:34,827 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:34:34,828 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:34:34,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:34" (3/4) ... [2024-11-08 19:34:34,833 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:34:34,834 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:34:34,835 INFO L158 Benchmark]: Toolchain (without parser) took 2884.87ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 39.6MB in the beginning and 67.9MB in the end (delta: -28.3MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-11-08 19:34:34,836 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:34,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1453.55ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 48.2MB in the end (delta: -8.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-08 19:34:34,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.56ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 44.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:34,840 INFO L158 Benchmark]: Boogie Preprocessor took 48.14ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 42.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:34,840 INFO L158 Benchmark]: RCFGBuilder took 628.11ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 45.7MB in the end (delta: -3.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:34:34,842 INFO L158 Benchmark]: CodeCheck took 674.62ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 68.5MB in the end (delta: -22.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-11-08 19:34:34,843 INFO L158 Benchmark]: Witness Printer took 7.11ms. Allocated memory is still 100.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:34,851 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 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 0.51ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1453.55ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 48.2MB in the end (delta: -8.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.56ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 44.8MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.14ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 42.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 628.11ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 45.7MB in the end (delta: -3.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 674.62ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 68.5MB in the end (delta: -22.7MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Witness Printer took 7.11ms. Allocated memory is still 100.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:34:34,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_599151be-d8ce-4ea0-b397-df9262fc9b5c/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