./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3 --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 8c55ea773fbf00a20db63ad91a6a15de36a6a8b622a24c8194293df37db85b53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:11:49,939 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:11:50,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:11:50,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:11:50,051 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:11:50,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:11:50,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:11:50,088 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:11:50,088 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:11:50,089 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:11:50,090 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:11:50,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:11:50,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:11:50,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:11:50,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:11:50,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:11:50,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:11:50,091 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:11:50,091 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:11:50,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:11:50,092 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:11:50,092 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:11:50,092 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:11:50,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:11:50,092 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:11:50,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:11:50,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:50,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:11:50,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:11:50,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:11:50,093 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:11:50,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:11:50,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8c55ea773fbf00a20db63ad91a6a15de36a6a8b622a24c8194293df37db85b53 [2024-11-25 04:11:50,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:11:50,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:11:50,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:11:50,415 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:11:50,415 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:11:50,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_bad.i [2024-11-25 04:11:54,160 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/aca06e0be/e4dd80c863b14f879ee5d58c6a743f1f/FLAG4296ba3e4 [2024-11-25 04:11:54,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:11:54,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_bad.i [2024-11-25 04:11:54,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/aca06e0be/e4dd80c863b14f879ee5d58c6a743f1f/FLAG4296ba3e4 [2024-11-25 04:11:54,784 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/aca06e0be/e4dd80c863b14f879ee5d58c6a743f1f [2024-11-25 04:11:54,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:11:54,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:11:54,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:54,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:11:54,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:11:54,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:54" (1/1) ... [2024-11-25 04:11:54,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b8e95f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:54, skipping insertion in model container [2024-11-25 04:11:54,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:54" (1/1) ... [2024-11-25 04:11:54,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:11:56,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:56,106 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:11:56,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:56,419 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:11:56,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56 WrapperNode [2024-11-25 04:11:56,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:56,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:56,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:11:56,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:11:56,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,482 INFO L138 Inliner]: procedures = 497, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 126 [2024-11-25 04:11:56,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:56,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:11:56,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:11:56,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:11:56,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:11:56,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:11:56,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:11:56,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:11:56,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:56" (1/1) ... [2024-11-25 04:11:56,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:56,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:11:56,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:11:56,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:11:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:11:56,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:11:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:11:56,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:11:56,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:11:56,817 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:11:56,819 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:11:57,198 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 04:11:57,198 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:11:57,520 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:11:57,520 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:11:57,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:57 BoogieIcfgContainer [2024-11-25 04:11:57,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:11:57,523 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:11:57,523 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:11:57,535 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:11:57,535 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:57" (1/1) ... [2024-11-25 04:11:57,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:11:57,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-25 04:11:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-25 04:11:57,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:11:57,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:57,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:57,990 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:58,290 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:58,359 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:11:58,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:11:58 ImpRootNode [2024-11-25 04:11:58,403 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:11:58,404 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:11:58,404 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:11:58,404 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:11:58,405 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:57" (3/4) ... [2024-11-25 04:11:58,411 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:11:58,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:11:58,415 INFO L158 Benchmark]: Toolchain (without parser) took 3625.17ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 94.5MB in the end (delta: 20.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-25 04:11:58,416 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:58,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1629.35ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 105.6MB in the end (delta: 9.2MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2024-11-25 04:11:58,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.66ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:11:58,418 INFO L158 Benchmark]: Boogie Preprocessor took 31.41ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 101.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:58,421 INFO L158 Benchmark]: RCFGBuilder took 1006.42ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 64.6MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:11:58,422 INFO L158 Benchmark]: CodeCheck took 880.07ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 94.5MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:58,423 INFO L158 Benchmark]: Witness Printer took 9.28ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 94.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:58,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1565]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] 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] [L1578] CALL CWE191_Integer_Underflow__int_rand_sub_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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 0.68ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1629.35ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 105.6MB in the end (delta: 9.2MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.66ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 103.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.41ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 101.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1006.42ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 64.6MB in the end (delta: 36.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 880.07ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 94.5MB in the end (delta: -30.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 9.28ms. Allocated memory is still 142.6MB. Free memory was 94.5MB in the beginning and 94.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:11:58,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3 --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 8c55ea773fbf00a20db63ad91a6a15de36a6a8b622a24c8194293df37db85b53 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:01,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:01,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:12:01,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:01,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:01,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:01,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:01,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:01,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:01,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:01,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:12:01,441 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:12:01,442 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:01,442 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:01,442 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:01,442 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:01,442 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:01,442 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:01,442 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:01,443 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:12:01,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:01,443 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:01,443 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:01,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:01,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:01,443 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:12:01,443 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:01,443 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:12:01,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3 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 -> 8c55ea773fbf00a20db63ad91a6a15de36a6a8b622a24c8194293df37db85b53 [2024-11-25 04:12:01,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:01,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:01,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:01,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:01,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:01,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_bad.i [2024-11-25 04:12:04,703 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/64204f832/9f65263f92b54f5ca4c86e0902795b6d/FLAG1c1ed1206 [2024-11-25 04:12:05,163 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:05,164 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_15_bad.i [2024-11-25 04:12:05,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/64204f832/9f65263f92b54f5ca4c86e0902795b6d/FLAG1c1ed1206 [2024-11-25 04:12:05,281 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/data/64204f832/9f65263f92b54f5ca4c86e0902795b6d [2024-11-25 04:12:05,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:05,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:05,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:05,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:05,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:05,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:05" (1/1) ... [2024-11-25 04:12:05,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b43e8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:05, skipping insertion in model container [2024-11-25 04:12:05,299 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:05" (1/1) ... [2024-11-25 04:12:05,363 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:06,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:06,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:06,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:06,696 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:06,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06 WrapperNode [2024-11-25 04:12:06,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:06,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:06,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:06,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:06,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,750 INFO L138 Inliner]: procedures = 502, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2024-11-25 04:12:06,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:06,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:06,751 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:06,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:06,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:06,781 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:06,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:06,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:06,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:06" (1/1) ... [2024-11-25 04:12:06,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:06,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:06,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:06,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:12:06,855 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:12:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:06,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:06,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:07,075 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:07,077 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:07,274 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-25 04:12:07,274 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:07,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:12:07,402 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:12:07,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:07 BoogieIcfgContainer [2024-11-25 04:12:07,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:12:07,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:12:07,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:12:07,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:12:07,419 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:07" (1/1) ... [2024-11-25 04:12:07,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:12:07,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2024-11-25 04:12:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-25 04:12:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:12:07,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:07,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:07,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:12:07,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:12:07,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:12:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:07,778 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:08,011 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:08,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:12:08,084 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:12:08,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:12:08 ImpRootNode [2024-11-25 04:12:08,136 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:12:08,138 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:12:08,138 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:12:08,139 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:12:08,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:07" (3/4) ... [2024-11-25 04:12:08,144 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:12:08,219 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 04:12:08,289 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:12:08,290 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:12:08,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:12:08,294 INFO L158 Benchmark]: Toolchain (without parser) took 3003.91ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 89.1MB in the beginning and 210.5MB in the end (delta: -121.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-25 04:12:08,294 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:08,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1408.63ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 68.4MB in the end (delta: 20.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:08,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.93ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 65.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:08,297 INFO L158 Benchmark]: Boogie Preprocessor took 28.85ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 64.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:08,300 INFO L158 Benchmark]: RCFGBuilder took 623.55ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 45.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:12:08,301 INFO L158 Benchmark]: CodeCheck took 731.40ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 45.9MB in the beginning and 215.4MB in the end (delta: -169.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:08,301 INFO L158 Benchmark]: Witness Printer took 152.18ms. Allocated memory is still 251.7MB. Free memory was 215.4MB in the beginning and 210.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:08,304 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1565]: integer overflow possible integer overflow possible We found a 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); [L1577] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1577] 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] [L1578] CALL CWE191_Integer_Underflow__int_rand_sub_15_bad() [L1550] int data; [L1551] data = 0 [L1554] case 6: [L1554] case 6: [L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1565] 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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1408.63ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 68.4MB in the end (delta: 20.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.93ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 65.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.85ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 64.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 623.55ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 45.9MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 731.40ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 45.9MB in the beginning and 215.4MB in the end (delta: -169.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 152.18ms. Allocated memory is still 251.7MB. Free memory was 215.4MB in the beginning and 210.5MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:12:08,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7a4589f-8a7c-44f0-b9ae-004dfbb3cc3a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)