./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:34:04,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:34:04,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 19:34:04,227 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:34:04,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:34:04,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:34:04,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:34:04,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:34:04,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:34:04,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:34:04,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:34:04,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:34:04,259 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:34:04,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:34:04,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:34:04,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:34:04,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:34:04,261 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:34:04,262 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:34:04,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:34:04,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:34:04,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:34:04,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:34:04,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:34:04,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:34:04,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:34:04,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:04,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:34:04,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:34:04,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:34:04,274 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:34:04,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:34:04,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d [2024-11-08 19:34:04,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:34:04,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:34:04,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:34:04,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:34:04,625 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:34:04,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i Unable to find full path for "g++" [2024-11-08 19:34:07,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:34:07,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:34:07,495 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2024-11-08 19:34:07,530 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data/d57f40d9c/46e3a888422e4562865cecf2348e5896/FLAG13c14fb05 [2024-11-08 19:34:07,551 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data/d57f40d9c/46e3a888422e4562865cecf2348e5896 [2024-11-08 19:34:07,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:34:07,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:34:07,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:07,560 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:34:07,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:34:07,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:07" (1/1) ... [2024-11-08 19:34:07,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31f26fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:07, skipping insertion in model container [2024-11-08 19:34:07,571 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:07" (1/1) ... [2024-11-08 19:34:07,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:34:08,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:08,794 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:34:08,917 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:09,078 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:34:09,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09 WrapperNode [2024-11-08 19:34:09,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:09,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:09,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:34:09,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:34:09,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,127 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,154 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-11-08 19:34:09,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:09,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:34:09,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:34:09,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:34:09,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:34:09,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:34:09,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:34:09,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:34:09,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:09,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:34:09,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:34:09,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:34:09,291 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:34:09,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:34:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:34:09,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:34:09,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:34:09,463 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:34:09,466 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:34:09,698 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-08 19:34:09,699 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:34:09,951 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:34:09,951 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:34:09,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:09 BoogieIcfgContainer [2024-11-08 19:34:09,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:34:09,953 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:34:09,953 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:34:09,961 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:34:09,961 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:09" (1/1) ... [2024-11-08 19:34:09,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:34:10,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:34:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:34:10,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:34:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:34:10,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:34:10,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:34:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:10,336 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:10,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:10,621 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:34:10,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:34:10 ImpRootNode [2024-11-08 19:34:10,656 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:34:10,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:34:10,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:34:10,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:34:10,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:09" (3/4) ... [2024-11-08 19:34:10,663 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:34:10,664 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:34:10,665 INFO L158 Benchmark]: Toolchain (without parser) took 3109.93ms. Allocated memory is still 163.6MB. Free memory was 124.7MB in the beginning and 58.3MB in the end (delta: 66.3MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-11-08 19:34:10,666 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:10,667 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1520.45ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 58.2MB in the end (delta: 66.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:10,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.25ms. Allocated memory is still 163.6MB. Free memory was 58.2MB in the beginning and 55.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:10,671 INFO L158 Benchmark]: Boogie Preprocessor took 28.61ms. Allocated memory is still 163.6MB. Free memory was 55.5MB in the beginning and 54.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:10,671 INFO L158 Benchmark]: RCFGBuilder took 767.58ms. Allocated memory is still 163.6MB. Free memory was 54.0MB in the beginning and 97.3MB in the end (delta: -43.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-11-08 19:34:10,672 INFO L158 Benchmark]: CodeCheck took 703.38ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 58.6MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-11-08 19:34:10,672 INFO L158 Benchmark]: Witness Printer took 7.94ms. Allocated memory is still 163.6MB. Free memory was 58.6MB in the beginning and 58.3MB in the end (delta: 207.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:10,677 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s 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 - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566, 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_18_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)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] --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 0.38ms. Allocated memory is still 121.6MB. Free memory is still 67.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1520.45ms. Allocated memory is still 163.6MB. Free memory was 124.4MB in the beginning and 58.2MB in the end (delta: 66.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.25ms. Allocated memory is still 163.6MB. Free memory was 58.2MB in the beginning and 55.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.61ms. Allocated memory is still 163.6MB. Free memory was 55.5MB in the beginning and 54.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 767.58ms. Allocated memory is still 163.6MB. Free memory was 54.0MB in the beginning and 97.3MB in the end (delta: -43.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 703.38ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 58.6MB in the end (delta: 38.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 7.94ms. Allocated memory is still 163.6MB. Free memory was 58.6MB in the beginning and 58.3MB in the end (delta: 207.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:34:10,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:34:13,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:34:13,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 19:34:13,561 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:34:13,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:34:13,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:34:13,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:34:13,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:34:13,564 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:34:13,564 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:34:13,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:34:13,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:34:13,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:34:13,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:34:13,567 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:34:13,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:34:13,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:34:13,568 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 19:34:13,568 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:34:13,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:34:13,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:34:13,574 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:34:13,575 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:34:13,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:34:13,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:34:13,576 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:13,576 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 19:34:13,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:34:13,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:13,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:34:13,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:34:13,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:34:13,582 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 19:34:13,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:13,582 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 19:34:13,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4520eb0b0d8926e69b6bb597f4dba875b441bb352d43c1e5b4eee1e6dc28536d [2024-11-08 19:34:14,086 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:34:14,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:34:14,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:34:14,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:34:14,136 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:34:14,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i Unable to find full path for "g++" [2024-11-08 19:34:16,634 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:34:17,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:34:17,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_18_bad.i [2024-11-08 19:34:17,125 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data/9800857aa/5009b3ba47294c21ab7a15fea0ecf3ac/FLAG9692e8f61 [2024-11-08 19:34:17,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/data/9800857aa/5009b3ba47294c21ab7a15fea0ecf3ac [2024-11-08 19:34:17,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:34:17,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:34:17,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:17,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:34:17,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:34:17,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:17" (1/1) ... [2024-11-08 19:34:17,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f30478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:17, skipping insertion in model container [2024-11-08 19:34:17,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:34:17" (1/1) ... [2024-11-08 19:34:17,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:34:18,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:18,802 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:34:18,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:34:19,131 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:34:19,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19 WrapperNode [2024-11-08 19:34:19,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:34:19,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:19,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:34:19,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:34:19,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,188 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,250 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-08 19:34:19,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:34:19,253 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:34:19,253 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:34:19,253 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:34:19,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,275 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,303 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:34:19,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:34:19,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:34:19,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:34:19,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:34:19,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:34:19,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:34:19,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:34:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 19:34:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 19:34:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:34:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:34:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:34:19,609 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:34:19,611 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:34:19,784 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-08 19:34:19,784 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:34:19,905 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:34:19,905 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 19:34:19,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:19 BoogieIcfgContainer [2024-11-08 19:34:19,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:34:19,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:34:19,908 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:34:19,920 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:34:19,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:19" (1/1) ... [2024-11-08 19:34:19,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:34:19,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:34:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 19:34:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 19:34:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 19:34:20,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:34:20,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 19:34:20,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 19:34:20,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 19:34:20,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 19:34:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:20,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:20,372 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:34:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:34:20,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 19:34:20,431 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 19:34:20,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:34:20 ImpRootNode [2024-11-08 19:34:20,465 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:34:20,466 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:34:20,467 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:34:20,468 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:34:20,468 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:34:19" (3/4) ... [2024-11-08 19:34:20,472 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:34:20,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:34:20,475 INFO L158 Benchmark]: Toolchain (without parser) took 3248.38ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 35.5MB in the beginning and 41.2MB in the end (delta: -5.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-11-08 19:34:20,475 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:20,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1906.19ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 35.3MB in the beginning and 54.3MB in the end (delta: -19.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-08 19:34:20,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.55ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 51.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:34:20,478 INFO L158 Benchmark]: Boogie Preprocessor took 61.67ms. Allocated memory is still 98.6MB. Free memory was 51.1MB in the beginning and 49.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:34:20,479 INFO L158 Benchmark]: RCFGBuilder took 591.06ms. Allocated memory is still 98.6MB. Free memory was 49.4MB in the beginning and 56.9MB in the end (delta: -7.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-08 19:34:20,481 INFO L158 Benchmark]: CodeCheck took 558.45ms. Allocated memory is still 98.6MB. Free memory was 56.9MB in the beginning and 41.7MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 19:34:20,481 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 98.6MB. Free memory was 41.7MB in the beginning and 41.2MB in the end (delta: 531.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:34:20,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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 - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_18_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)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] --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 0.28ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 42.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1906.19ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 35.3MB in the beginning and 54.3MB in the end (delta: -19.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.55ms. Allocated memory is still 98.6MB. Free memory was 54.3MB in the beginning and 51.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.67ms. Allocated memory is still 98.6MB. Free memory was 51.1MB in the beginning and 49.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.06ms. Allocated memory is still 98.6MB. Free memory was 49.4MB in the beginning and 56.9MB in the end (delta: -7.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * CodeCheck took 558.45ms. Allocated memory is still 98.6MB. Free memory was 56.9MB in the beginning and 41.7MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 98.6MB. Free memory was 41.7MB in the beginning and 41.2MB in the end (delta: 531.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 19:34:20,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1c457c31-5681-4349-880c-efeb8ded9410/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample