./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:29:44,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:29:44,681 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-05 22:29:44,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:29:44,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:29:44,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:29:44,704 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:29:44,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:29:44,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:29:44,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:29:44,705 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:29:44,706 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:29:44,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:29:44,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:29:44,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:29:44,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:29:44,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:29:44,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:29:44,707 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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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 -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2024-12-05 22:29:44,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:29:44,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:29:44,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:29:44,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:29:44,951 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:29:44,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-12-05 22:29:47,544 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/a83648d8d/db72fe7e46834823be13677653bcb364/FLAG871ec64db [2024-12-05 22:29:47,867 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:29:47,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-12-05 22:29:47,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/a83648d8d/db72fe7e46834823be13677653bcb364/FLAG871ec64db [2024-12-05 22:29:48,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/a83648d8d/db72fe7e46834823be13677653bcb364 [2024-12-05 22:29:48,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:29:48,124 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:29:48,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:29:48,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:29:48,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:29:48,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c63e079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48, skipping insertion in model container [2024-12-05 22:29:48,129 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:29:48,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:29:48,741 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:29:48,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:29:48,914 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:29:48,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48 WrapperNode [2024-12-05 22:29:48,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:29:48,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:29:48,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:29:48,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:29:48,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,958 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 99 [2024-12-05 22:29:48,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:29:48,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:29:48,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:29:48,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:29:48,966 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,973 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:29:48,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:29:48,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:29:48,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:29:48,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:48" (1/1) ... [2024-12-05 22:29:48,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:29:48,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:29:49,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:29:49,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:29:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:29:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:29:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:29:49,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:29:49,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:29:49,128 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:29:49,130 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:29:49,306 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-12-05 22:29:49,306 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:29:49,466 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:29:49,466 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:29:49,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:49 BoogieIcfgContainer [2024-12-05 22:29:49,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:29:49,467 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:29:49,467 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:29:49,477 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:29:49,477 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:49" (1/1) ... [2024-12-05 22:29:49,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:29:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 22:29:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 22:29:49,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:29:49,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:49,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:29:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:49,710 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:29:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:49,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:49,844 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:29:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:49,879 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:29:49,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:29:49 ImpRootNode [2024-12-05 22:29:49,901 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:29:49,902 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:29:49,902 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:29:49,902 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:29:49,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:49" (3/4) ... [2024-12-05 22:29:49,904 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:29:49,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:29:49,906 INFO L158 Benchmark]: Toolchain (without parser) took 1782.04ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 98.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-12-05 22:29:49,906 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:49,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.40ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 55.1MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:29:49,907 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.37ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 112.9MB in the end (delta: -58.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-12-05 22:29:49,907 INFO L158 Benchmark]: Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 111.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:49,908 INFO L158 Benchmark]: RCFGBuilder took 486.88ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 74.3MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:29:49,908 INFO L158 Benchmark]: CodeCheck took 433.80ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 98.5MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:49,909 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 98.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:49,910 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: 0.4s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 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 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.40ms. Allocated memory is still 142.6MB. Free memory was 114.3MB in the beginning and 55.1MB in the end (delta: 59.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.37ms. Allocated memory is still 142.6MB. Free memory was 54.9MB in the beginning and 112.9MB in the end (delta: -58.0MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.69ms. Allocated memory is still 142.6MB. Free memory was 112.9MB in the beginning and 111.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.88ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 74.3MB in the end (delta: 37.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 433.80ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 98.5MB in the end (delta: -24.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 142.6MB. Free memory was 98.5MB in the beginning and 98.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:29:49,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:29:51,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:29:51,890 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-05 22:29:51,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:29:51,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:29:51,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:29:51,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:29:51,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:29:51,915 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:29:51,916 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:29:51,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:29:51,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:29:51,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:51,917 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:29:51,918 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_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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 -> 3e8464b5da4531f13246e2ae1208b5cb43ce32c1cab894265919e2fa34ff2b51 [2024-12-05 22:29:52,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:29:52,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:29:52,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:29:52,149 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:29:52,149 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:29:52,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-12-05 22:29:54,887 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/38755a6ed/7fd29e151fa84ce0b4965c43c81cff5f/FLAG828d1e417 [2024-12-05 22:29:55,169 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:29:55,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_42_bad.i [2024-12-05 22:29:55,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/38755a6ed/7fd29e151fa84ce0b4965c43c81cff5f/FLAG828d1e417 [2024-12-05 22:29:55,200 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/data/38755a6ed/7fd29e151fa84ce0b4965c43c81cff5f [2024-12-05 22:29:55,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:29:55,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:29:55,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:29:55,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:29:55,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:29:55,208 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:29:55" (1/1) ... [2024-12-05 22:29:55,208 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 10:29:55, skipping insertion in model container [2024-12-05 22:29:55,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:29:55" (1/1) ... [2024-12-05 22:29:55,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:29:55,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:29:55,820 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:29:55,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:29:56,009 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:29:56,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56 WrapperNode [2024-12-05 22:29:56,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:29:56,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:29:56,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:29:56,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:29:56,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,050 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-12-05 22:29:56,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:29:56,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:29:56,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:29:56,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:29:56,057 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,067 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,075 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:29:56,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:29:56,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:29:56,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:29:56,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:29:56,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:29:56,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:29:56,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:29:56,120 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-05 22:29:56,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-05 22:29:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:29:56,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:29:56,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:29:56,236 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:29:56,238 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:29:56,330 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-12-05 22:29:56,330 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:29:56,379 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:29:56,379 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 22:29:56,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:56 BoogieIcfgContainer [2024-12-05 22:29:56,380 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:29:56,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:29:56,381 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:29:56,389 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:29:56,390 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:56" (1/1) ... [2024-12-05 22:29:56,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:29:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 22:29:56,433 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 22:29:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:29:56,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:56,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:29:56,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:29:56,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:29:56,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:29:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:56,567 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:29:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:56,648 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:29:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:29:56,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:29:56,677 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:29:56,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:29:56 ImpRootNode [2024-12-05 22:29:56,698 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:29:56,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:29:56,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:29:56,698 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:29:56,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:29:56" (3/4) ... [2024-12-05 22:29:56,700 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:29:56,731 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 22:29:56,765 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:29:56,765 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:29:56,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:29:56,766 INFO L158 Benchmark]: Toolchain (without parser) took 1563.03ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 52.2MB in the end (delta: 14.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-05 22:29:56,766 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:56,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.29ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 60.9MB in the end (delta: 5.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-12-05 22:29:56,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:56,767 INFO L158 Benchmark]: Boogie Preprocessor took 23.57ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:56,767 INFO L158 Benchmark]: RCFGBuilder took 304.30ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 40.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:29:56,768 INFO L158 Benchmark]: CodeCheck took 317.08ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 57.1MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:29:56,768 INFO L158 Benchmark]: Witness Printer took 67.02ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 52.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:29:56,770 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: 0.3s, 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1559]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [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 0.33ms. Allocated memory is still 83.9MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.29ms. Allocated memory is still 92.3MB. Free memory was 66.7MB in the beginning and 60.9MB in the end (delta: 5.8MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.57ms. Allocated memory is still 92.3MB. Free memory was 58.1MB in the beginning and 56.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.30ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 40.0MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 317.08ms. Allocated memory is still 92.3MB. Free memory was 39.5MB in the beginning and 57.1MB in the end (delta: -17.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 67.02ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 52.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:29:56,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cef7a2b3-ac51-4306-b9d2-354edf25f1c8/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)