./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_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_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/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_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/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_794033de-ef88-4d6d-88ff-3d90aca45edd/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 f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:11:31,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:11:31,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:11:31,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:11:31,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:11:31,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:11:31,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:11:31,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:11:31,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:11:31,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:11:31,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:11:31,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:11:31,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:11:31,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:11:31,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:11:31,930 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:11:31,931 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:11:31,931 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:11:31,931 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:11:31,931 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:11:31,931 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:11:31,932 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:11:31,932 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:11:31,932 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:11:31,932 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:11:31,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:11:31,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:31,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:11:31,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:11:31,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:11:31,933 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:11:31,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:11:31,933 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_794033de-ef88-4d6d-88ff-3d90aca45edd/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 -> f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 [2024-11-25 04:11:32,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:11:32,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:11:32,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:11:32,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:11:32,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:11:32,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-11-25 04:11:35,255 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/18136755c/67cdafd6dd824e51afc7ad7708a18411/FLAG3b0563553 [2024-11-25 04:11:35,638 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:11:35,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-11-25 04:11:35,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/18136755c/67cdafd6dd824e51afc7ad7708a18411/FLAG3b0563553 [2024-11-25 04:11:35,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/18136755c/67cdafd6dd824e51afc7ad7708a18411 [2024-11-25 04:11:35,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:11:35,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:11:35,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:35,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:11:35,722 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:11:35,723 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:35" (1/1) ... [2024-11-25 04:11:35,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9bcc31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:35, skipping insertion in model container [2024-11-25 04:11:35,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:35" (1/1) ... [2024-11-25 04:11:35,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:11:36,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:36,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:11:36,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:36,903 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:11:36,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36 WrapperNode [2024-11-25 04:11:36,903 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:36,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:36,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:11:36,905 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:11:36,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:36,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:36,977 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 97 [2024-11-25 04:11:36,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:36,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:11:36,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:11:36,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:11:36,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:36,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:36,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:36,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:37,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:37,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:37,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:37,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:37,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:37,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:11:37,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:11:37,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:11:37,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:11:37,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:36" (1/1) ... [2024-11-25 04:11:37,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:37,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:11:37,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:11:37,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:11:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:11:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:11:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:11:37,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:11:37,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:11:37,250 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:11:37,251 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:11:37,457 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-25 04:11:37,457 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:11:37,673 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:11:37,674 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:11:37,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:37 BoogieIcfgContainer [2024-11-25 04:11:37,674 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:11:37,675 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:11:37,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:11:37,720 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:11:37,721 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:37" (1/1) ... [2024-11-25 04:11:37,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:11:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:11:37,788 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:11:37,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:11:37,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:37,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:38,114 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:38,355 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:38,410 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:11:38,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:11:38 ImpRootNode [2024-11-25 04:11:38,449 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:11:38,449 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:11:38,449 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:11:38,449 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:11:38,450 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:37" (3/4) ... [2024-11-25 04:11:38,453 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:11:38,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:11:38,456 INFO L158 Benchmark]: Toolchain (without parser) took 2739.91ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 48.9MB in the end (delta: 40.4MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-25 04:11:38,456 INFO L158 Benchmark]: CDTParser took 1.48ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:38,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1187.56ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.2MB in the end (delta: 8.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 04:11:38,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.01ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:38,458 INFO L158 Benchmark]: Boogie Preprocessor took 33.35ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:38,459 INFO L158 Benchmark]: RCFGBuilder took 659.61ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 38.8MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:11:38,459 INFO L158 Benchmark]: CodeCheck took 773.91ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 48.9MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:38,459 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 117.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:38,464 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_51b_badSink(data) [L1567] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.48ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1187.56ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 80.2MB in the end (delta: 8.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.01ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 77.0MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.35ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 75.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 659.61ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 38.8MB in the end (delta: 37.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 773.91ms. Allocated memory is still 117.4MB. Free memory was 38.8MB in the beginning and 48.9MB in the end (delta: -10.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.50ms. Allocated memory is still 117.4MB. Free memory is still 48.9MB. 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 04:11:38,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/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 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_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/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_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/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_794033de-ef88-4d6d-88ff-3d90aca45edd/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 f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:11:41,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:11:41,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:11:41,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:11:41,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:11:41,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:11:41,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:11:41,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:11:41,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:11:41,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:11:41,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:11:41,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:11:41,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:11:41,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:11:41,376 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:11:41,377 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:11:41,377 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:11:41,377 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:11:41,377 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:11:41,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:11:41,377 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:11:41,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:11:41,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:11:41,378 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:41,378 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:11:41,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:41,379 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:11:41,379 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_794033de-ef88-4d6d-88ff-3d90aca45edd/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 -> f65e73731e3b05ba6a09e0ec9c2b11b38ef25e5cdccd17008887debb2d118c23 [2024-11-25 04:11:41,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:11:41,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:11:41,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:11:41,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:11:41,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:11:41,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-11-25 04:11:44,752 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/5084c42b8/939394d8b18c42939ce4d4c36caba259/FLAGf26d31725 [2024-11-25 04:11:45,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:11:45,108 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_51_bad.i [2024-11-25 04:11:45,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/5084c42b8/939394d8b18c42939ce4d4c36caba259/FLAGf26d31725 [2024-11-25 04:11:45,322 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/data/5084c42b8/939394d8b18c42939ce4d4c36caba259 [2024-11-25 04:11:45,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:11:45,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:11:45,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:45,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:11:45,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:11:45,333 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:45" (1/1) ... [2024-11-25 04:11:45,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198dfac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:45, skipping insertion in model container [2024-11-25 04:11:45,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:11:45" (1/1) ... [2024-11-25 04:11:45,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:11:46,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:46,588 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:11:46,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:11:46,893 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:11:46,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46 WrapperNode [2024-11-25 04:11:46,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:11:46,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:46,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:11:46,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:11:46,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,968 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-11-25 04:11:46,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:11:46,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:11:46,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:11:46,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:11:46,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,984 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:46,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:47,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:11:47,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:11:47,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:11:47,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:11:47,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:11:46" (1/1) ... [2024-11-25 04:11:47,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:11:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:11:47,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:11:47,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:11:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:11:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:11:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:11:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:11:47,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:11:47,213 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:11:47,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:11:47,329 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-25 04:11:47,329 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:11:47,396 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:11:47,396 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:11:47,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:47 BoogieIcfgContainer [2024-11-25 04:11:47,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:11:47,397 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:11:47,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:11:47,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:11:47,414 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:47" (1/1) ... [2024-11-25 04:11:47,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:11:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:11:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:11:47,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:11:47,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:47,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:47,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:47,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:47,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:11:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:47,672 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:47,786 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:11:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:11:47,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:11:47,830 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:11:47,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:11:47 ImpRootNode [2024-11-25 04:11:47,865 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:11:47,867 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:11:47,867 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:11:47,867 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:11:47,868 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:11:47" (3/4) ... [2024-11-25 04:11:47,871 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:11:47,926 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 04:11:47,969 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:11:47,970 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:11:47,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:11:47,971 INFO L158 Benchmark]: Toolchain (without parser) took 2645.05ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 35.1MB in the end (delta: 21.9MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-11-25 04:11:47,971 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:47,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1567.80ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.1MB in the end (delta: 5.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 04:11:47,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.93ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:47,972 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:47,972 INFO L158 Benchmark]: RCFGBuilder took 395.11ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:11:47,973 INFO L158 Benchmark]: CodeCheck took 467.97ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 39.9MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:11:47,973 INFO L158 Benchmark]: Witness Printer took 103.41ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 35.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:11:47,975 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: 1567]: 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); [L1559] 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) [L1559] 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] [L1560] CALL CWE191_Integer_Underflow__int_rand_postdec_51_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_postdec_51b_badSink(data) [L1567] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1567.80ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.1MB in the end (delta: 5.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.93ms. Allocated memory is still 83.9MB. Free memory was 50.7MB in the beginning and 48.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 83.9MB. Free memory was 48.0MB in the beginning and 46.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.11ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 29.5MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 467.97ms. Allocated memory is still 83.9MB. Free memory was 29.5MB in the beginning and 39.9MB in the end (delta: -10.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.41ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 35.1MB in the end (delta: 4.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:11:47,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_794033de-ef88-4d6d-88ff-3d90aca45edd/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)