./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:24:15,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:24:16,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 05:24:16,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:24:16,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:24:16,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:24:16,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:24:16,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:24:16,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:24:16,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:24:16,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:24:16,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:24:16,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:24:16,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:24:16,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:24:16,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:24:16,112 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:24:16,112 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:24:16,113 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:24:16,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:24:16,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:24:16,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:24:16,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:24:16,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:24:16,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:24:16,113 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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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 -> 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 [2024-11-25 05:24:16,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:24:16,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:24:16,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:24:16,456 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:24:16,456 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:24:16,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-11-25 05:24:19,357 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/300f81754/7ed08c25d020434a872ff7e0e1a6fdbf/FLAG033bf4a6a [2024-11-25 05:24:19,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:24:19,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-11-25 05:24:19,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/300f81754/7ed08c25d020434a872ff7e0e1a6fdbf/FLAG033bf4a6a [2024-11-25 05:24:19,788 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/300f81754/7ed08c25d020434a872ff7e0e1a6fdbf [2024-11-25 05:24:19,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:24:19,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:24:19,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:24:19,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:24:19,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:24:19,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:19" (1/1) ... [2024-11-25 05:24:19,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f2d6fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:19, skipping insertion in model container [2024-11-25 05:24:19,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:19" (1/1) ... [2024-11-25 05:24:19,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:24:20,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:24:20,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:24:21,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:24:21,221 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:24:21,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21 WrapperNode [2024-11-25 05:24:21,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:24:21,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:24:21,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:24:21,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:24:21,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,269 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,302 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-11-25 05:24:21,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:24:21,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:24:21,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:24:21,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:24:21,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,316 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,328 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:24:21,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:24:21,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:24:21,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:24:21,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:21" (1/1) ... [2024-11-25 05:24:21,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:24:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:24:21,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:24:21,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:24:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:24:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:24:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:24:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:24:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:24:21,542 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:24:21,543 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:24:21,737 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 05:24:21,737 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:24:22,004 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:24:22,004 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:24:22,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:22 BoogieIcfgContainer [2024-11-25 05:24:22,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:24:22,005 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:24:22,005 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:24:22,015 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:24:22,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:22" (1/1) ... [2024-11-25 05:24:22,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:24:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:22,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 05:24:22,082 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 05:24:22,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:24:22,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:22,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:22,333 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:24:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:22,593 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:24:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:22,647 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:24:22,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:24:22 ImpRootNode [2024-11-25 05:24:22,682 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:24:22,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:24:22,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:24:22,685 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:24:22,686 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:22" (3/4) ... [2024-11-25 05:24:22,688 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:24:22,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:24:22,691 INFO L158 Benchmark]: Toolchain (without parser) took 2897.15ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 55.5MB in the end (delta: 33.9MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-11-25 05:24:22,691 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:22,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.71ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.3MB in the end (delta: 9.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 05:24:22,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.08ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:22,692 INFO L158 Benchmark]: Boogie Preprocessor took 37.52ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:22,692 INFO L158 Benchmark]: RCFGBuilder took 662.05ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 34.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 05:24:22,693 INFO L158 Benchmark]: CodeCheck took 676.62ms. Allocated memory is still 117.4MB. Free memory was 34.4MB in the beginning and 55.5MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:22,693 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 55.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:22,698 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [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)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.34ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.71ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.3MB in the end (delta: 9.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.08ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.52ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 75.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 662.05ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 34.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 676.62ms. Allocated memory is still 117.4MB. Free memory was 34.4MB in the beginning and 55.5MB in the end (delta: -21.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 117.4MB. Free memory was 55.5MB in the beginning and 55.5MB 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 05:24:22,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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 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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:24:25,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:24:25,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 05:24:25,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:24:25,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:24:25,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:24:25,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:24:25,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:24:25,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:24:25,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:24:25,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:24:25,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:24:25,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:24:25,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:24:25,455 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:24:25,455 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:24:25,456 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 05:24:25,456 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:24:25,457 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 05:24:25,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:24:25,457 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:24:25,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:24:25,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:24:25,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:24:25,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:24:25,458 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:25,458 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:24:25,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:24:25,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:24:25,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:24:25,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:24:25,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:24:25,458 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:24:25,459 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:25,459 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:24:25,459 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_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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 -> 81428a5976272df28d81c77eeefb812a03cab2a0ce49799baa4104daee6926e4 [2024-11-25 05:24:25,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:24:25,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:24:25,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:24:25,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:24:25,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:24:25,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-11-25 05:24:28,985 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/20d310887/1829ed57427d4bf3abd4ff64a1d525e9/FLAGcdfb7c628 [2024-11-25 05:24:29,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:24:29,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_04_bad.i [2024-11-25 05:24:29,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/20d310887/1829ed57427d4bf3abd4ff64a1d525e9/FLAGcdfb7c628 [2024-11-25 05:24:29,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/data/20d310887/1829ed57427d4bf3abd4ff64a1d525e9 [2024-11-25 05:24:29,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:24:29,427 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:24:29,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:24:29,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:24:29,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:24:29,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:29" (1/1) ... [2024-11-25 05:24:29,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebbceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:29, skipping insertion in model container [2024-11-25 05:24:29,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:24:29" (1/1) ... [2024-11-25 05:24:29,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:24:30,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:24:30,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:24:30,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:24:30,680 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:24:30,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30 WrapperNode [2024-11-25 05:24:30,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:24:30,681 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:24:30,681 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:24:30,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:24:30,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,719 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,754 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-11-25 05:24:30,756 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:24:30,757 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:24:30,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:24:30,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:24:30,765 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:24:30,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:24:30,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:24:30,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:24:30,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:24:30" (1/1) ... [2024-11-25 05:24:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:24:30,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:24:30,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:24:30,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:24:30,882 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 05:24:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 05:24:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:24:30,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:24:30,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:24:31,055 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:24:31,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:24:31,219 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 05:24:31,219 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:24:31,312 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:24:31,312 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 05:24:31,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:31 BoogieIcfgContainer [2024-11-25 05:24:31,313 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:24:31,313 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:24:31,313 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:24:31,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:24:31,324 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:31" (1/1) ... [2024-11-25 05:24:31,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:24:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 05:24:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 05:24:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:24:31,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:31,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:24:31,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:24:31,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:24:31,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:24:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:31,607 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:24:31,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:31,757 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:24:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:24:31,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 05:24:31,817 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:24:31,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:24:31 ImpRootNode [2024-11-25 05:24:31,845 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:24:31,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:24:31,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:24:31,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:24:31,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:24:31" (3/4) ... [2024-11-25 05:24:31,847 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 05:24:31,894 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 05:24:31,950 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:24:31,950 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:24:31,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:24:31,954 INFO L158 Benchmark]: Toolchain (without parser) took 2523.97ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 34.3MB in the end (delta: 22.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-25 05:24:31,954 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:31,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1252.66ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 51.1MB in the end (delta: 5.6MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 05:24:31,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.03ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:31,955 INFO L158 Benchmark]: Boogie Preprocessor took 49.07ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:24:31,955 INFO L158 Benchmark]: RCFGBuilder took 506.24ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 52.7MB in the end (delta: -5.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-11-25 05:24:31,956 INFO L158 Benchmark]: CodeCheck took 531.21ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 38.9MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:24:31,958 INFO L158 Benchmark]: Witness Printer took 104.95ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 34.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:24:31,960 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, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 7 NumberOfCodeBlocks, 7 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: 1561]: 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); [L1548] static const int STATIC_CONST_TRUE = 1; [L1549] static const int STATIC_CONST_FALSE = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_predec_04_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(STATIC_CONST_TRUE) [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)) [L1558] COND TRUE \read(STATIC_CONST_TRUE) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FALSE=0, STATIC_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 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1252.66ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 51.1MB in the end (delta: 5.6MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.03ms. Allocated memory is still 83.9MB. Free memory was 51.1MB in the beginning and 48.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.07ms. Allocated memory is still 83.9MB. Free memory was 48.4MB in the beginning and 46.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 506.24ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 52.7MB in the end (delta: -5.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * CodeCheck took 531.21ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 38.9MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 104.95ms. Allocated memory is still 83.9MB. Free memory was 38.9MB in the beginning and 34.3MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 05:24:31,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9ca2561-adc4-4e1a-813c-f8a9149c9949/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)