./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_45_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_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a377bfbcc5d1345c9b2331463ab5428defe5d6d47cbd79ed0c8a1d2033e748be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:23:54,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:23:54,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:23:54,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:23:54,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:23:54,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:23:54,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:23:54,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:23:54,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:23:54,977 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:23:54,977 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:23:54,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:23:54,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:23:54,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:23:54,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:23:54,979 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:23:54,979 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:23:54,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:23:54,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:23:54,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:23:54,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:23:54,979 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:23:54,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:23:54,980 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_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a377bfbcc5d1345c9b2331463ab5428defe5d6d47cbd79ed0c8a1d2033e748be [2024-11-25 03:23:55,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:23:55,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:23:55,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:23:55,313 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:23:55,314 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:23:55,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_45_bad.i [2024-11-25 03:23:58,386 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/e07f4d446/5a187a09acf04e6bb0132af5cd63b41c/FLAG40ef0bf6d [2024-11-25 03:23:58,863 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:23:58,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_45_bad.i [2024-11-25 03:23:58,891 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/e07f4d446/5a187a09acf04e6bb0132af5cd63b41c/FLAG40ef0bf6d [2024-11-25 03:23:58,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/e07f4d446/5a187a09acf04e6bb0132af5cd63b41c [2024-11-25 03:23:58,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:23:58,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:23:58,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:23:58,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:23:58,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:23:58,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:23:58" (1/1) ... [2024-11-25 03:23:58,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49615e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:23:58, skipping insertion in model container [2024-11-25 03:23:58,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:23:58" (1/1) ... [2024-11-25 03:23:59,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:23:59,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:23:59,951 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:24:00,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:00,187 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:24:00,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00 WrapperNode [2024-11-25 03:24:00,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:00,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:00,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:24:00,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:24:00,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,220 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,245 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-25 03:24:00,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:00,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:24:00,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:24:00,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:24:00,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,254 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:24:00,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:24:00,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:24:00,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:24:00,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:00" (1/1) ... [2024-11-25 03:24:00,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:00,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:24:00,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:24:00,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:24:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:24:00,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:24:00,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:24:00,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:24:00,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:24:00,552 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:24:00,555 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:24:00,813 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-25 03:24:00,815 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:24:01,089 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:24:01,089 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:24:01,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:01 BoogieIcfgContainer [2024-11-25 03:24:01,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:24:01,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:24:01,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:24:01,099 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:24:01,100 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:01" (1/1) ... [2024-11-25 03:24:01,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:24:01,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:24:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:24:01,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:24:01,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:01,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:24:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:01,500 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:24:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:01,760 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:24:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:01,819 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:24:01,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:24:01 ImpRootNode [2024-11-25 03:24:01,856 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:24:01,857 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:24:01,857 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:24:01,858 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:24:01,859 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:01" (3/4) ... [2024-11-25 03:24:01,861 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:24:01,863 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:24:01,864 INFO L158 Benchmark]: Toolchain (without parser) took 2894.97ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 97.1MB in the beginning and 283.9MB in the end (delta: -186.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-11-25 03:24:01,865 INFO L158 Benchmark]: CDTParser took 1.61ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:01,866 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1218.62ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 38.5MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:24:01,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.43ms. Allocated memory is still 142.6MB. Free memory was 38.5MB in the beginning and 35.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:24:01,868 INFO L158 Benchmark]: Boogie Preprocessor took 39.31ms. Allocated memory is still 142.6MB. Free memory was 35.5MB in the beginning and 34.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:01,868 INFO L158 Benchmark]: RCFGBuilder took 803.94ms. Allocated memory is still 142.6MB. Free memory was 34.5MB in the beginning and 66.2MB in the end (delta: -31.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-25 03:24:01,870 INFO L158 Benchmark]: CodeCheck took 765.94ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 66.2MB in the beginning and 283.9MB in the end (delta: -217.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:01,870 INFO L158 Benchmark]: Witness Printer took 5.84ms. Allocated memory is still 335.5MB. Free memory was 283.9MB in the beginning and 283.9MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:01,873 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1564. 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 CWE191_Integer_Underflow__int_rand_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1564] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_predec_45_badData; VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] --data VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, 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 1.61ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1218.62ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 38.5MB in the end (delta: 58.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.43ms. Allocated memory is still 142.6MB. Free memory was 38.5MB in the beginning and 35.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.31ms. Allocated memory is still 142.6MB. Free memory was 35.5MB in the beginning and 34.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 803.94ms. Allocated memory is still 142.6MB. Free memory was 34.5MB in the beginning and 66.2MB in the end (delta: -31.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 765.94ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 66.2MB in the beginning and 283.9MB in the end (delta: -217.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.84ms. Allocated memory is still 335.5MB. Free memory was 283.9MB in the beginning and 283.9MB in the end (delta: 24.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:24:01,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a377bfbcc5d1345c9b2331463ab5428defe5d6d47cbd79ed0c8a1d2033e748be --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:24:04,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:24:04,567 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:24:04,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:24:04,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:24:04,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:24:04,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:24:04,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:24:04,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:24:04,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:24:04,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:24:04,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:24:04,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:24:04,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:24:04,597 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:24:04,598 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:24:04,598 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:24:04,598 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:24:04,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:24:04,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:24:04,599 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:24:04,599 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:24:04,599 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:24:04,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:24:04,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:24:04,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:04,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:04,601 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:24:04,602 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_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a377bfbcc5d1345c9b2331463ab5428defe5d6d47cbd79ed0c8a1d2033e748be [2024-11-25 03:24:04,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:24:04,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:24:04,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:24:04,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:24:04,940 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:24:04,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_45_bad.i [2024-11-25 03:24:08,014 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/4b455fccd/f8af83b69c084acf8b6156d735d394e9/FLAG352a49d8b [2024-11-25 03:24:08,461 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:24:08,462 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_45_bad.i [2024-11-25 03:24:08,498 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/4b455fccd/f8af83b69c084acf8b6156d735d394e9/FLAG352a49d8b [2024-11-25 03:24:08,521 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/data/4b455fccd/f8af83b69c084acf8b6156d735d394e9 [2024-11-25 03:24:08,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:24:08,526 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:24:08,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:08,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:24:08,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:24:08,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:08" (1/1) ... [2024-11-25 03:24:08,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b808f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:08, skipping insertion in model container [2024-11-25 03:24:08,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:24:08" (1/1) ... [2024-11-25 03:24:08,609 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:24:09,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:09,531 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:24:09,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:24:09,855 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:24:09,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09 WrapperNode [2024-11-25 03:24:09,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:24:09,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:09,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:24:09,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:24:09,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,929 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-25 03:24:09,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:24:09,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:24:09,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:24:09,930 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:24:09,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,944 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,961 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:24:09,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:24:09,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:24:09,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:24:09,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:24:09" (1/1) ... [2024-11-25 03:24:09,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:24:10,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:24:10,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:24:10,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:24:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:24:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:24:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:24:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:24:10,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:24:10,235 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:24:10,236 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:24:10,378 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-25 03:24:10,378 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:24:10,454 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:24:10,456 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:24:10,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:10 BoogieIcfgContainer [2024-11-25 03:24:10,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:24:10,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:24:10,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:24:10,473 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:24:10,474 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:10" (1/1) ... [2024-11-25 03:24:10,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:24:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:24:10,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:24:10,531 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:24:10,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:24:10,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:24:10,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:24:10,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:24:10,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:24:10,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:24:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:10,743 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:24:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:10,877 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:24:10,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:24:10,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:24:10,932 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:24:10,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:24:10 ImpRootNode [2024-11-25 03:24:10,968 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:24:10,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:24:10,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:24:10,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:24:10,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:24:10" (3/4) ... [2024-11-25 03:24:10,973 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:24:11,030 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 03:24:11,077 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:24:11,077 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:24:11,077 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:24:11,081 INFO L158 Benchmark]: Toolchain (without parser) took 2552.09ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 34.5MB in the end (delta: 22.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-11-25 03:24:11,081 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:11,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.08ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.6MB in the end (delta: 6.4MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2024-11-25 03:24:11,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.11ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:11,085 INFO L158 Benchmark]: Boogie Preprocessor took 46.05ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:11,086 INFO L158 Benchmark]: RCFGBuilder took 476.74ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 29.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:24:11,086 INFO L158 Benchmark]: CodeCheck took 511.23ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 39.1MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:24:11,086 INFO L158 Benchmark]: Witness Printer took 108.46ms. Allocated memory is still 83.9MB. Free memory was 39.1MB in the beginning and 34.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:24:11,088 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 - CounterExampleResult [Line: 1555]: 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 CWE191_Integer_Underflow__int_rand_predec_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData; [L1571] CALL printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE191_Integer_Underflow__int_rand_predec_45_bad() [L1562] int data; [L1563] data = 0 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1564] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1565] CWE191_Integer_Underflow__int_rand_predec_45_badData = data [L1566] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_predec_45_badData; VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] --data VAL [CWE191_Integer_Underflow__int_rand_predec_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_predec_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_predec_45_goodG2BData=0, 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 0.24ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.08ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 50.6MB in the end (delta: 6.4MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.11ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.05ms. Allocated memory is still 83.9MB. Free memory was 47.9MB in the beginning and 46.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 476.74ms. Allocated memory is still 83.9MB. Free memory was 46.3MB in the beginning and 29.4MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 511.23ms. Allocated memory is still 83.9MB. Free memory was 29.4MB in the beginning and 39.1MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 108.46ms. Allocated memory is still 83.9MB. Free memory was 39.1MB in the beginning and 34.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:24:11,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75a14d3b-2de9-429b-838c-6da243d48769/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)