./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_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_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/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_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/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_9ef524e5-03f3-402e-ae8d-405413a883e3/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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:33:43,037 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:33:43,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:33:43,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:33:43,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:33:43,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:33:43,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:33:43,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:33:43,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:33:43,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:33:43,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:33:43,192 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:33:43,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:33:43,192 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:33:43,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:33:43,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:33:43,193 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:33:43,193 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:33:43,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:33:43,194 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:33:43,194 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:33:43,194 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:33:43,195 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:33:43,195 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:33:43,195 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:33:43,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:33:43,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:43,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:33:43,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:33:43,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:33:43,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:33:43,196 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:33:43,196 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_9ef524e5-03f3-402e-ae8d-405413a883e3/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 -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2024-11-25 03:33:43,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:33:43,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:33:43,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:33:43,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:33:43,551 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:33:43,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2024-11-25 03:33:46,652 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/5572fba7a/efe8d97c6c974506bdd89e4cb588a182/FLAG9a73f66cb [2024-11-25 03:33:47,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:33:47,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2024-11-25 03:33:47,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/5572fba7a/efe8d97c6c974506bdd89e4cb588a182/FLAG9a73f66cb [2024-11-25 03:33:47,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/5572fba7a/efe8d97c6c974506bdd89e4cb588a182 [2024-11-25 03:33:47,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:33:47,159 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:33:47,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:47,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:33:47,167 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:33:47,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:47" (1/1) ... [2024-11-25 03:33:47,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251f608b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:47, skipping insertion in model container [2024-11-25 03:33:47,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:47" (1/1) ... [2024-11-25 03:33:47,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:33:48,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:48,190 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:33:48,299 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:48,456 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:33:48,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48 WrapperNode [2024-11-25 03:33:48,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:48,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:48,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:33:48,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:33:48,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,512 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2024-11-25 03:33:48,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:48,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:33:48,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:33:48,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:33:48,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,524 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,525 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,529 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:33:48,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:33:48,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:33:48,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:33:48,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:48" (1/1) ... [2024-11-25 03:33:48,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:48,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:33:48,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:33:48,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:33:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:33:48,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:33:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:33:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:33:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:33:48,758 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:33:48,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:33:49,040 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 03:33:49,041 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:33:49,353 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:33:49,353 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:33:49,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:49 BoogieIcfgContainer [2024-11-25 03:33:49,353 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:33:49,354 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:33:49,354 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:33:49,364 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:33:49,365 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:49" (1/1) ... [2024-11-25 03:33:49,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:33:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:49,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:33:49,442 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:33:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:33:49,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:49,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:33:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:49,783 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:50,046 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:50,117 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:33:50,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:33:50 ImpRootNode [2024-11-25 03:33:50,157 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:33:50,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:33:50,157 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:33:50,158 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:33:50,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:49" (3/4) ... [2024-11-25 03:33:50,162 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:33:50,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:33:50,164 INFO L158 Benchmark]: Toolchain (without parser) took 3005.00ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 59.4MB in the end (delta: 29.5MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-11-25 03:33:50,164 INFO L158 Benchmark]: CDTParser took 1.16ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:50,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1295.61ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 79.9MB in the end (delta: 8.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 03:33:50,167 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.04ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:50,168 INFO L158 Benchmark]: Boogie Preprocessor took 24.92ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:50,168 INFO L158 Benchmark]: RCFGBuilder took 810.39ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 35.6MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 03:33:50,168 INFO L158 Benchmark]: CodeCheck took 802.49ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 59.4MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:50,169 INFO L158 Benchmark]: Witness Printer took 5.60ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 59.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:33:50,173 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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: 1560]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1295.61ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 79.9MB in the end (delta: 8.7MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.04ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.92ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 75.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 810.39ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 35.6MB in the end (delta: 40.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 802.49ms. Allocated memory is still 117.4MB. Free memory was 35.6MB in the beginning and 59.4MB in the end (delta: -23.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.60ms. Allocated memory is still 117.4MB. Free memory was 59.4MB in the beginning and 59.4MB 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 03:33:50,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/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_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/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_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/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_9ef524e5-03f3-402e-ae8d-405413a883e3/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 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:33:52,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:33:53,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:33:53,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:33:53,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:33:53,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:33:53,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:33:53,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:33:53,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:33:53,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:33:53,150 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:33:53,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:33:53,150 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:33:53,150 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:33:53,150 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:33:53,150 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:53,150 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:33:53,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:33:53,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:53,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:33:53,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:33:53,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:33:53,151 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:33:53,151 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:53,151 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:33:53,151 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_9ef524e5-03f3-402e-ae8d-405413a883e3/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 -> 490d5e7a829ff1299a05e702b803914eb017eb0815c8f37a8ad2a3b4e3dfd6af [2024-11-25 03:33:53,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:33:53,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:33:53,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:33:53,476 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:33:53,476 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:33:53,478 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2024-11-25 03:33:56,614 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/5b81c99a1/0f511aa733394749a2cf434b53b6e632/FLAG6fedf4106 [2024-11-25 03:33:57,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:33:57,221 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_16_bad.i [2024-11-25 03:33:57,250 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/5b81c99a1/0f511aa733394749a2cf434b53b6e632/FLAG6fedf4106 [2024-11-25 03:33:57,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/data/5b81c99a1/0f511aa733394749a2cf434b53b6e632 [2024-11-25 03:33:57,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:33:57,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:33:57,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:57,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:33:57,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:33:57,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:57" (1/1) ... [2024-11-25 03:33:57,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@756bfb1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:57, skipping insertion in model container [2024-11-25 03:33:57,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:33:57" (1/1) ... [2024-11-25 03:33:57,352 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:33:58,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:58,484 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:33:58,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:33:58,790 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:33:58,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58 WrapperNode [2024-11-25 03:33:58,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:33:58,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:58,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:33:58,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:33:58,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,841 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 63 [2024-11-25 03:33:58,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:33:58,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:33:58,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:33:58,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:33:58,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,855 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,855 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,863 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,864 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:33:58,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:33:58,874 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:33:58,874 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:33:58,875 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:33:58" (1/1) ... [2024-11-25 03:33:58,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:33:58,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:33:58,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:33:58,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:33:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:33:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:33:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:33:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:33:58,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:33:59,106 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:33:59,108 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:33:59,249 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 03:33:59,250 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:33:59,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:33:59,338 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 03:33:59,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:59 BoogieIcfgContainer [2024-11-25 03:33:59,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:33:59,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:33:59,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:33:59,351 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:33:59,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:59" (1/1) ... [2024-11-25 03:33:59,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:33:59,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:33:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-25 03:33:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-25 03:33:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:33:59,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:33:59,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:33:59,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:33:59,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:33:59,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:33:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:59,668 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:59,849 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:33:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:33:59,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:33:59,901 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:33:59,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:33:59 ImpRootNode [2024-11-25 03:33:59,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:33:59,937 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:33:59,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:33:59,938 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:33:59,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:33:59" (3/4) ... [2024-11-25 03:33:59,941 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:33:59,994 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 03:34:00,048 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:34:00,048 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:34:00,048 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:34:00,052 INFO L158 Benchmark]: Toolchain (without parser) took 2770.89ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:00,054 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:00,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1512.07ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 70.2MB in the end (delta: 18.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2024-11-25 03:34:00,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.74ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:00,055 INFO L158 Benchmark]: Boogie Preprocessor took 29.39ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:00,055 INFO L158 Benchmark]: RCFGBuilder took 465.36ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 47.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:34:00,055 INFO L158 Benchmark]: CodeCheck took 596.31ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 83.8MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:00,056 INFO L158 Benchmark]: Witness Printer took 110.88ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 79.2MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:00,057 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: 1560]: 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); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_16_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1560] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1512.07ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 70.2MB in the end (delta: 18.7MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.74ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.39ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 65.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.36ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 47.7MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 596.31ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 83.8MB in the end (delta: -36.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 110.88ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 79.2MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:34:00,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef524e5-03f3-402e-ae8d-405413a883e3/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)