./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b --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 b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:57:11,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:57:11,281 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:57:11,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:57:11,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:57:11,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:57:11,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:57:11,306 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:57:11,307 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:57:11,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:57:11,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:57:11,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:57:11,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:57:11,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:57:11,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:57:11,307 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:57:11,307 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:57:11,308 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:57:11,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:57:11,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:11,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:57:11,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:57:11,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:57:11,309 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:57:11,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:57:11,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b 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 -> b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c [2024-12-05 22:57:11,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:57:11,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:57:11,532 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:57:11,533 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:57:11,534 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:57:11,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i [2024-12-05 22:57:14,161 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/8e2c49ccf/25c69710740340eebbd5cc05c29327dd/FLAG235bae329 [2024-12-05 22:57:14,470 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:57:14,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i [2024-12-05 22:57:14,486 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/8e2c49ccf/25c69710740340eebbd5cc05c29327dd/FLAG235bae329 [2024-12-05 22:57:14,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/8e2c49ccf/25c69710740340eebbd5cc05c29327dd [2024-12-05 22:57:14,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:57:14,748 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:57:14,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:14,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:57:14,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:57:14,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:14" (1/1) ... [2024-12-05 22:57:14,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8a1366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:14, skipping insertion in model container [2024-12-05 22:57:14,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:14" (1/1) ... [2024-12-05 22:57:14,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:57:15,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:15,465 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:57:15,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:15,647 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:57:15,648 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15 WrapperNode [2024-12-05 22:57:15,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:15,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:15,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:57:15,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:57:15,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,686 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-12-05 22:57:15,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:15,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:57:15,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:57:15,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:57:15,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,698 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:57:15,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:57:15,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:57:15,704 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:57:15,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:15" (1/1) ... [2024-12-05 22:57:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:15,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:57:15,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:57:15,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:57:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:57:15,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:57:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:57:15,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:57:15,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:57:15,853 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:57:15,854 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:57:16,012 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-12-05 22:57:16,012 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:57:16,151 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:57:16,151 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:57:16,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:16 BoogieIcfgContainer [2024-12-05 22:57:16,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:57:16,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:57:16,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:57:16,159 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:57:16,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:16" (1/1) ... [2024-12-05 22:57:16,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:57:16,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:57:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:57:16,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:57:16,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:16,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:57:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:16,397 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:16,518 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:16,554 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:57:16,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:57:16 ImpRootNode [2024-12-05 22:57:16,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:57:16,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:57:16,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:57:16,581 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:57:16,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:16" (3/4) ... [2024-12-05 22:57:16,583 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:57:16,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:57:16,585 INFO L158 Benchmark]: Toolchain (without parser) took 1837.56ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 64.4MB in the end (delta: 25.4MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-12-05 22:57:16,586 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:16,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.11ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 82.7MB in the end (delta: 7.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-12-05 22:57:16,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.73ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 79.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:57:16,587 INFO L158 Benchmark]: Boogie Preprocessor took 16.45ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:16,587 INFO L158 Benchmark]: RCFGBuilder took 447.44ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 41.6MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:57:16,588 INFO L158 Benchmark]: CodeCheck took 427.80ms. Allocated memory is still 117.4MB. Free memory was 41.6MB in the beginning and 64.4MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:16,588 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 64.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:16,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1563. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 899.11ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 82.7MB in the end (delta: 7.0MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.73ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 79.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.45ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 447.44ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 41.6MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 427.80ms. Allocated memory is still 117.4MB. Free memory was 41.6MB in the beginning and 64.4MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 117.4MB. Free memory was 64.4MB in the beginning and 64.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:57:16,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b --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 b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:57:18,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:57:18,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:57:18,635 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:57:18,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:57:18,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:57:18,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:57:18,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:57:18,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:57:18,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:57:18,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:57:18,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:57:18,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:57:18,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:57:18,637 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:57:18,638 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:57:18,638 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:57:18,638 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:18,638 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:57:18,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:57:18,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:18,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:57:18,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:57:18,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:57:18,639 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:57:18,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:18,639 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:57:18,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b 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 -> b2b377f51454d038e6c17c51a7cb4aa7d909e95814f84e86886059618cc4346c [2024-12-05 22:57:18,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:57:18,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:57:18,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:57:18,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:57:18,874 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:57:18,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i [2024-12-05 22:57:21,557 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/d06927739/0bfcc2fdaae8489da557cb8ba900dcef/FLAG9a9b2e5a1 [2024-12-05 22:57:21,830 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:57:21,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_bad.i [2024-12-05 22:57:21,852 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/d06927739/0bfcc2fdaae8489da557cb8ba900dcef/FLAG9a9b2e5a1 [2024-12-05 22:57:21,867 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/data/d06927739/0bfcc2fdaae8489da557cb8ba900dcef [2024-12-05 22:57:21,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:57:21,871 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:57:21,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:21,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:57:21,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:57:21,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:21" (1/1) ... [2024-12-05 22:57:21,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db30dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:21, skipping insertion in model container [2024-12-05 22:57:21,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:57:21" (1/1) ... [2024-12-05 22:57:21,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:57:22,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:22,580 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:57:22,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:57:22,773 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:57:22,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22 WrapperNode [2024-12-05 22:57:22,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:57:22,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:22,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:57:22,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:57:22,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,814 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-12-05 22:57:22,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:57:22,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:57:22,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:57:22,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:57:22,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,831 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:57:22,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:57:22,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:57:22,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:57:22,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:57:22" (1/1) ... [2024-12-05 22:57:22,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:57:22,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:57:22,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:57:22,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:57:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:57:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:57:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:57:22,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:57:22,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:57:23,005 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:57:23,007 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:57:23,111 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-12-05 22:57:23,111 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:57:23,162 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:57:23,162 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:57:23,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:23 BoogieIcfgContainer [2024-12-05 22:57:23,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:57:23,163 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:57:23,163 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:57:23,172 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:57:23,173 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:23" (1/1) ... [2024-12-05 22:57:23,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:57:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:23,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 22:57:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 22:57:23,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:57:23,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:23,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:23,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:23,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:23,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:57:23,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:23,380 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:23,491 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:57:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:57:23,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:57:23,522 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:57:23,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:57:23 ImpRootNode [2024-12-05 22:57:23,545 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:57:23,546 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:57:23,546 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:57:23,547 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:57:23,547 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:57:23" (3/4) ... [2024-12-05 22:57:23,548 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:57:23,588 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 22:57:23,632 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:57:23,632 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:57:23,632 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:57:23,633 INFO L158 Benchmark]: Toolchain (without parser) took 1762.43ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 52.9MB in the end (delta: 13.2MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-12-05 22:57:23,633 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:23,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 902.24ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 62.4MB in the end (delta: 3.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-05 22:57:23,634 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.15ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 59.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:23,634 INFO L158 Benchmark]: Boogie Preprocessor took 24.47ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:23,635 INFO L158 Benchmark]: RCFGBuilder took 322.41ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 41.6MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:57:23,635 INFO L158 Benchmark]: CodeCheck took 382.43ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 57.9MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:23,635 INFO L158 Benchmark]: Witness Printer took 85.78ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 52.9MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:57:23,637 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1554]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static int badStatic = 0; [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_21_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] badStatic = 1 [L1565] CALL badSink(data) [L1551] COND TRUE \read(badStatic) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, badStatic=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 0.46ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 902.24ms. Allocated memory is still 92.3MB. Free memory was 66.0MB in the beginning and 62.4MB in the end (delta: 3.6MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.15ms. Allocated memory is still 92.3MB. Free memory was 62.4MB in the beginning and 59.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.47ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 58.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.41ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 41.6MB in the end (delta: 16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 382.43ms. Allocated memory is still 92.3MB. Free memory was 41.2MB in the beginning and 57.9MB in the end (delta: -16.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.78ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 52.9MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:57:23,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4abdbdb5-46aa-402e-bae0-310c93ecc408/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)