./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_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_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/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_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/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_56935459-1c81-4cd9-b4ee-e240a5c51c18/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 d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:25:02,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:25:03,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:25:03,067 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:25:03,068 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:25:03,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:25:03,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:25:03,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:25:03,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:25:03,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:25:03,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:25:03,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:25:03,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:25:03,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:25:03,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:25:03,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:25:03,095 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:25:03,095 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:25:03,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:25:03,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:25:03,097 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:25:03,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:25:03,097 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:25:03,097 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:25:03,097 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:25:03,098 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:25:03,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:25:03,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:25:03,098 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:25:03,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:25:03,098 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:25:03,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:25:03,098 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_56935459-1c81-4cd9-b4ee-e240a5c51c18/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 -> d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d [2024-11-25 04:25:03,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:25:03,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:25:03,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:25:03,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:25:03,465 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:25:03,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-11-25 04:25:06,621 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/610600bc7/24d927da42a04ae0b037bb64b1a5e8fb/FLAGa3333839e [2024-11-25 04:25:07,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:25:07,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-11-25 04:25:07,089 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/610600bc7/24d927da42a04ae0b037bb64b1a5e8fb/FLAGa3333839e [2024-11-25 04:25:07,110 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/610600bc7/24d927da42a04ae0b037bb64b1a5e8fb [2024-11-25 04:25:07,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:25:07,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:25:07,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:25:07,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:25:07,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:25:07,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:25:07" (1/1) ... [2024-11-25 04:25:07,121 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a9fd262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:07, skipping insertion in model container [2024-11-25 04:25:07,121 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:25:07" (1/1) ... [2024-11-25 04:25:07,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:25:08,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:25:08,148 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:25:08,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:25:08,449 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:25:08,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08 WrapperNode [2024-11-25 04:25:08,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:25:08,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:25:08,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:25:08,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:25:08,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,508 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 04:25:08,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:25:08,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:25:08,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:25:08,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:25:08,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,535 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,556 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:25:08,557 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:25:08,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:25:08,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:25:08,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:08" (1/1) ... [2024-11-25 04:25:08,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:25:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:25:08,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:25:08,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:25:08,648 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:25:08,650 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:25:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:25:08,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:25:08,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:25:08,857 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:25:08,859 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:25:09,115 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 04:25:09,116 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:25:09,430 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:25:09,430 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:25:09,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:09 BoogieIcfgContainer [2024-11-25 04:25:09,430 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:25:09,431 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:25:09,431 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:25:09,441 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:25:09,442 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:09" (1/1) ... [2024-11-25 04:25:09,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:25:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 04:25:09,499 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 04:25:09,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:25:09,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:09,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:25:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:09,791 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:25:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:10,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:10,043 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:25:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:10,120 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:25:10,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:25:10 ImpRootNode [2024-11-25 04:25:10,164 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:25:10,165 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:25:10,165 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:25:10,166 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:25:10,166 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:09" (3/4) ... [2024-11-25 04:25:10,171 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:25:10,172 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:25:10,173 INFO L158 Benchmark]: Toolchain (without parser) took 3058.97ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 107.8MB in the end (delta: 5.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-25 04:25:10,177 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:10,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1334.80ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 53.5MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 04:25:10,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 50.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:10,178 INFO L158 Benchmark]: Boogie Preprocessor took 46.57ms. Allocated memory is still 142.6MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:10,179 INFO L158 Benchmark]: RCFGBuilder took 873.79ms. Allocated memory is still 142.6MB. Free memory was 49.5MB in the beginning and 78.7MB in the end (delta: -29.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-25 04:25:10,181 INFO L158 Benchmark]: CodeCheck took 733.63ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 107.9MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:10,181 INFO L158 Benchmark]: Witness Printer took 7.06ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:10,186 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_03_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)) [L1559] --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 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1334.80ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 53.5MB in the end (delta: 60.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 50.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.57ms. Allocated memory is still 142.6MB. Free memory was 50.8MB in the beginning and 49.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 873.79ms. Allocated memory is still 142.6MB. Free memory was 49.5MB in the beginning and 78.7MB in the end (delta: -29.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * CodeCheck took 733.63ms. Allocated memory is still 142.6MB. Free memory was 78.7MB in the beginning and 107.9MB in the end (delta: -29.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.06ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 107.8MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:25:10,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/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_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/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_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/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_56935459-1c81-4cd9-b4ee-e240a5c51c18/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 d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:25:13,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:25:13,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:25:13,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:25:13,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:25:13,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:25:13,312 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:25:13,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:25:13,313 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:25:13,313 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:25:13,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:25:13,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:25:13,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:25:13,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:25:13,315 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:25:13,315 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:25:13,315 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:25:13,315 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:25:13,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:25:13,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:25:13,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:25:13,316 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:25:13,316 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:25:13,316 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:25:13,316 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:25:13,316 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:13,316 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:25:13,316 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:25:13,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:25:13,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:25:13,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:25:13,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:25:13,317 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:25:13,317 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:13,317 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:25:13,317 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_56935459-1c81-4cd9-b4ee-e240a5c51c18/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 -> d8f3c7386aa3718504fcc3b2b50e65ba74ff6ff0cfd4bcf487340bf120485b1d [2024-11-25 04:25:13,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:25:13,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:25:13,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:25:13,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:25:13,697 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:25:13,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-11-25 04:25:16,869 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/8d010234a/8377981cf95440018cca662404da5cb2/FLAG87c93de1a [2024-11-25 04:25:17,277 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:25:17,277 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_bad.i [2024-11-25 04:25:17,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/8d010234a/8377981cf95440018cca662404da5cb2/FLAG87c93de1a [2024-11-25 04:25:17,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/data/8d010234a/8377981cf95440018cca662404da5cb2 [2024-11-25 04:25:17,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:25:17,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:25:17,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:25:17,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:25:17,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:25:17,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:25:17" (1/1) ... [2024-11-25 04:25:17,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcce653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:17, skipping insertion in model container [2024-11-25 04:25:17,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:25:17" (1/1) ... [2024-11-25 04:25:17,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:25:18,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:25:18,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:25:18,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:25:18,877 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:25:18,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18 WrapperNode [2024-11-25 04:25:18,879 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:25:18,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:25:18,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:25:18,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:25:18,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,918 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,942 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 04:25:18,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:25:18,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:25:18,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:25:18,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:25:18,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,981 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,995 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:18,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:19,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:25:19,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:25:19,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:25:19,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:25:19,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:25:18" (1/1) ... [2024-11-25 04:25:19,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:25:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:25:19,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:25:19,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:25:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:25:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:25:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:25:19,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:25:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:25:19,333 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:25:19,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:25:19,534 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:25:19,534 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:25:19,660 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:25:19,664 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:25:19,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:19 BoogieIcfgContainer [2024-11-25 04:25:19,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:25:19,666 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:25:19,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:25:19,683 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:25:19,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:19" (1/1) ... [2024-11-25 04:25:19,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:25:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:25:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 04:25:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 04:25:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:25:19,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:25:19,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:25:19,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:25:19,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:25:19,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:25:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:20,019 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:25:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:20,150 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:25:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:25:20,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:25:20,213 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:25:20,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:25:20 ImpRootNode [2024-11-25 04:25:20,256 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:25:20,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:25:20,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:25:20,259 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:25:20,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:25:19" (3/4) ... [2024-11-25 04:25:20,261 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:25:20,339 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 04:25:20,406 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:25:20,406 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:25:20,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:25:20,411 INFO L158 Benchmark]: Toolchain (without parser) took 3067.80ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 36.1MB in the end (delta: 21.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-25 04:25:20,411 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:20,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1539.04ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.1MB in the end (delta: 4.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 04:25:20,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.14ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:20,412 INFO L158 Benchmark]: Boogie Preprocessor took 60.42ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 47.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:20,413 INFO L158 Benchmark]: RCFGBuilder took 660.86ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 30.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:25:20,413 INFO L158 Benchmark]: CodeCheck took 590.46ms. Allocated memory is still 83.9MB. Free memory was 30.5MB in the beginning and 41.0MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:20,413 INFO L158 Benchmark]: Witness Printer took 148.00ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 36.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:25:20,420 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, 13 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_03_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)) [L1559] --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 0.44ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1539.04ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.1MB in the end (delta: 4.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.14ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 49.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.42ms. Allocated memory is still 83.9MB. Free memory was 49.4MB in the beginning and 47.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 660.86ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 30.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 590.46ms. Allocated memory is still 83.9MB. Free memory was 30.5MB in the beginning and 41.0MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 148.00ms. Allocated memory is still 83.9MB. Free memory was 41.0MB in the beginning and 36.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:25:20,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56935459-1c81-4cd9-b4ee-e240a5c51c18/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)