./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/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_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/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_03969a9d-cb1e-439c-aeff-185039e20f8a/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:31:28,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:31:28,446 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 23:31:28,452 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:31:28,453 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:31:28,480 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:31:28,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:31:28,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:31:28,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:31:28,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:31:28,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:31:28,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:31:28,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:31:28,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:31:28,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:31:28,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:31:28,487 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:31:28,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:31:28,488 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:31:28,488 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:31:28,489 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:31:28,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:31:28,490 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:31:28,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:31:28,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:31:28,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:31:28,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:28,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:31:28,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:31:28,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:31:28,495 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:31:28,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:31:28,496 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_03969a9d-cb1e-439c-aeff-185039e20f8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2024-11-08 23:31:28,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:31:28,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:31:28,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:31:28,893 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:31:28,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:31:28,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i Unable to find full path for "g++" [2024-11-08 23:31:31,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:31:31,459 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:31:31,466 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-11-08 23:31:31,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data/1738c420b/d6fd6e0adb5546e0bc06ab1c0cd87315/FLAG1c61111f0 [2024-11-08 23:31:31,536 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data/1738c420b/d6fd6e0adb5546e0bc06ab1c0cd87315 [2024-11-08 23:31:31,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:31:31,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:31:31,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:31,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:31:31,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:31:31,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:31" (1/1) ... [2024-11-08 23:31:31,559 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d1854e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:31, skipping insertion in model container [2024-11-08 23:31:31,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:31" (1/1) ... [2024-11-08 23:31:31,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:31:33,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:33,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:31:33,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:33,497 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:31:33,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33 WrapperNode [2024-11-08 23:31:33,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:33,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:33,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:31:33,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:31:33,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,592 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 103 [2024-11-08 23:31:33,593 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:33,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:31:33,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:31:33,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:31:33,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,606 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,621 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,623 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:31:33,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:31:33,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:31:33,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:31:33,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:33" (1/1) ... [2024-11-08 23:31:33,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:33,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:31:33,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:31:33,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:31:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:31:33,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:31:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:31:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:31:33,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:31:33,970 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:31:33,973 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:31:34,326 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-08 23:31:34,327 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:31:34,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:31:34,686 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:31:34,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:34 BoogieIcfgContainer [2024-11-08 23:31:34,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:31:34,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:31:34,689 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:31:34,703 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:31:34,703 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:34" (1/1) ... [2024-11-08 23:31:34,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:31:34,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:31:34,781 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:31:34,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:31:34,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:34,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:31:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:35,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:35,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:35,427 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:31:35,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:31:35 ImpRootNode [2024-11-08 23:31:35,472 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:31:35,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:31:35,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:31:35,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:31:35,478 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:34" (3/4) ... [2024-11-08 23:31:35,482 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:31:35,483 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:31:35,485 INFO L158 Benchmark]: Toolchain (without parser) took 3942.05ms. Allocated memory is still 146.8MB. Free memory was 107.8MB in the beginning and 74.6MB in the end (delta: 33.3MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2024-11-08 23:31:35,486 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory was 122.6MB in the beginning and 122.4MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:35,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1950.19ms. Allocated memory is still 146.8MB. Free memory was 107.3MB in the beginning and 98.0MB in the end (delta: 9.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-11-08 23:31:35,488 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.67ms. Allocated memory is still 146.8MB. Free memory was 98.0MB in the beginning and 94.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:35,490 INFO L158 Benchmark]: Boogie Preprocessor took 32.44ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:31:35,491 INFO L158 Benchmark]: RCFGBuilder took 1060.39ms. Allocated memory is still 146.8MB. Free memory was 93.1MB in the beginning and 109.3MB in the end (delta: -16.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-11-08 23:31:35,492 INFO L158 Benchmark]: CodeCheck took 784.73ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 74.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 23:31:35,492 INFO L158 Benchmark]: Witness Printer took 10.67ms. Allocated memory is still 146.8MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:35,499 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: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1559]: 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 1550. 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_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1550] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 146.8MB. Free memory was 122.6MB in the beginning and 122.4MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1950.19ms. Allocated memory is still 146.8MB. Free memory was 107.3MB in the beginning and 98.0MB in the end (delta: 9.3MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.67ms. Allocated memory is still 146.8MB. Free memory was 98.0MB in the beginning and 94.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.44ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1060.39ms. Allocated memory is still 146.8MB. Free memory was 93.1MB in the beginning and 109.3MB in the end (delta: -16.2MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. * CodeCheck took 784.73ms. Allocated memory is still 146.8MB. Free memory was 109.3MB in the beginning and 74.6MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 10.67ms. Allocated memory is still 146.8MB. Free memory is still 74.6MB. 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 23:31:35,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/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_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/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_03969a9d-cb1e-439c-aeff-185039e20f8a/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:31:38,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:31:38,598 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-08 23:31:38,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:31:38,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:31:38,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:31:38,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:31:38,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:31:38,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:31:38,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:31:38,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:31:38,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:31:38,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:31:38,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:31:38,657 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:31:38,658 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:31:38,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:31:38,658 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:31:38,659 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:31:38,659 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:31:38,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:31:38,664 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:31:38,664 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:31:38,664 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:31:38,665 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:31:38,665 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:38,665 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:31:38,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:31:38,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:38,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:31:38,667 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:31:38,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:31:38,668 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:31:38,668 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:38,669 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:31:38,669 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_03969a9d-cb1e-439c-aeff-185039e20f8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2024-11-08 23:31:39,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:31:39,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:31:39,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:31:39,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:31:39,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:31:39,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i Unable to find full path for "g++" [2024-11-08 23:31:41,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:31:42,225 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:31:42,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-11-08 23:31:42,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data/5c6b926a6/52c8b9d545ab42db8c03bcab9aa1e621/FLAG59e789fa6 [2024-11-08 23:31:42,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/data/5c6b926a6/52c8b9d545ab42db8c03bcab9aa1e621 [2024-11-08 23:31:42,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:31:42,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:31:42,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:42,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:31:42,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:31:42,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0182f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:42, skipping insertion in model container [2024-11-08 23:31:42,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:31:42" (1/1) ... [2024-11-08 23:31:42,394 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:31:43,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:43,628 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:31:43,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:31:43,866 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:31:43,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43 WrapperNode [2024-11-08 23:31:43,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:31:43,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:43,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:31:43,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:31:43,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,933 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-08 23:31:43,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:31:43,937 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:31:43,937 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:31:43,937 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:31:43,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:31:43,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:31:43,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:31:43,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:31:43,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:31:43" (1/1) ... [2024-11-08 23:31:43,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:31:44,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:31:44,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:31:44,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:31:44,069 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 23:31:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 23:31:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:31:44,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:31:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:31:44,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:31:44,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:31:44,474 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-08 23:31:44,476 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:31:44,574 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:31:44,574 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:31:44,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:44 BoogieIcfgContainer [2024-11-08 23:31:44,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:31:44,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:31:44,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:31:44,589 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:31:44,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:44" (1/1) ... [2024-11-08 23:31:44,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:31:44,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:31:44,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-08 23:31:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-08 23:31:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:31:44,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:31:44,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:31:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:31:44,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:31:44,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:31:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:44,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:45,141 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:31:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:31:45,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 23:31:45,209 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 23:31:45,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:31:45 ImpRootNode [2024-11-08 23:31:45,276 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:31:45,277 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:31:45,277 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:31:45,279 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:31:45,280 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:31:44" (3/4) ... [2024-11-08 23:31:45,285 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:31:45,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:31:45,288 INFO L158 Benchmark]: Toolchain (without parser) took 2999.51ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 48.8MB in the beginning and 64.5MB in the end (delta: -15.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,288 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:45,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1577.76ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 48.6MB in the beginning and 55.3MB in the end (delta: -6.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.37ms. Allocated memory is still 94.4MB. Free memory was 55.3MB in the beginning and 52.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,292 INFO L158 Benchmark]: Boogie Preprocessor took 51.18ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,293 INFO L158 Benchmark]: RCFGBuilder took 586.38ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 55.7MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,294 INFO L158 Benchmark]: CodeCheck took 700.10ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 65.0MB in the end (delta: -9.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-11-08 23:31:45,295 INFO L158 Benchmark]: Witness Printer took 9.79ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 64.5MB in the end (delta: 501.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:31:45,303 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: 1559]: 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_sub_42_bad() [L1555] int data; [L1556] data = 0 [L1557] CALL, EXPR badSource(data) [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1550] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1551] return data; [L1557] RET, EXPR badSource(data) [L1557] data = badSource(data) [L1559] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 75.5MB. Free memory is still 51.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1577.76ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 48.6MB in the beginning and 55.3MB in the end (delta: -6.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.37ms. Allocated memory is still 94.4MB. Free memory was 55.3MB in the beginning and 52.1MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.18ms. Allocated memory is still 94.4MB. Free memory was 52.1MB in the beginning and 50.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.38ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 55.7MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 700.10ms. Allocated memory is still 94.4MB. Free memory was 55.7MB in the beginning and 65.0MB in the end (delta: -9.3MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 9.79ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 64.5MB in the end (delta: 501.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:31:45,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03969a9d-cb1e-439c-aeff-185039e20f8a/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