./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:21:33,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:21:33,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:21:33,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:21:33,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:21:33,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:21:33,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:21:33,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:21:33,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:21:33,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:21:33,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:21:33,565 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:21:33,565 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:21:33,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:21:33,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:21:33,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:21:33,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:21:33,567 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:21:33,568 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:21:33,568 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:21:33,568 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:21:33,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:21:33,569 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:21:33,569 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:21:33,569 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:21:33,569 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:21:33,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:33,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:21:33,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:21:33,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:21:33,570 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:21:33,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:21:33,570 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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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 -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2024-11-25 04:21:33,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:21:33,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:21:33,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:21:33,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:21:33,931 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:21:33,932 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-11-25 04:21:37,015 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/83eab1644/96c54b84930b422887753dcaec9b1a58/FLAGff46f0834 [2024-11-25 04:21:37,521 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:21:37,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-11-25 04:21:37,559 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/83eab1644/96c54b84930b422887753dcaec9b1a58/FLAGff46f0834 [2024-11-25 04:21:37,584 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/83eab1644/96c54b84930b422887753dcaec9b1a58 [2024-11-25 04:21:37,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:21:37,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:21:37,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:37,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:21:37,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:21:37,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:37" (1/1) ... [2024-11-25 04:21:37,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@538c8323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:37, skipping insertion in model container [2024-11-25 04:21:37,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:37" (1/1) ... [2024-11-25 04:21:37,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:21:38,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:38,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:21:38,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:38,857 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:21:38,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38 WrapperNode [2024-11-25 04:21:38,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:38,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:38,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:21:38,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:21:38,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,911 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-25 04:21:38,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:38,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:21:38,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:21:38,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:21:38,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,928 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,929 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:21:38,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:21:38,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:21:38,937 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:21:38,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:38" (1/1) ... [2024-11-25 04:21:38,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:38,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:21:38,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:21:38,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:21:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:21:39,016 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:21:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:21:39,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:21:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:21:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:21:39,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:21:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:21:39,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:21:39,190 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:21:39,192 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:21:39,484 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-25 04:21:39,484 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:21:39,828 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:21:39,828 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:21:39,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:39 BoogieIcfgContainer [2024-11-25 04:21:39,829 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:21:39,830 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:21:39,830 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:21:39,859 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:21:39,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:39" (1/1) ... [2024-11-25 04:21:39,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:21:39,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:21:39,919 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:21:39,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:21:39,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:39,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:21:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:40,193 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:21:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:40,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:40,463 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:21:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:40,525 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:21:40,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:21:40 ImpRootNode [2024-11-25 04:21:40,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:21:40,569 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:21:40,569 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:21:40,569 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:21:40,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:39" (3/4) ... [2024-11-25 04:21:40,574 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:21:40,576 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:21:40,577 INFO L158 Benchmark]: Toolchain (without parser) took 2986.81ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 91.0MB in the beginning and 288.1MB in the end (delta: -197.2MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-11-25 04:21:40,577 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:40,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1267.34ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 81.4MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 04:21:40,578 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.45ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:21:40,579 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:40,579 INFO L158 Benchmark]: RCFGBuilder took 892.70ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 38.7MB in the end (delta: 38.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:21:40,580 INFO L158 Benchmark]: CodeCheck took 738.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.7MB in the beginning and 288.1MB in the end (delta: -249.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:40,580 INFO L158 Benchmark]: Witness Printer took 6.79ms. Allocated memory is still 352.3MB. Free memory is still 288.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:40,583 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1568]: 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_predec_63_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_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --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 0.42ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1267.34ms. Allocated memory is still 117.4MB. Free memory was 91.0MB in the beginning and 81.4MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.45ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 78.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 892.70ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 38.7MB in the end (delta: 38.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 738.48ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 38.7MB in the beginning and 288.1MB in the end (delta: -249.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.79ms. Allocated memory is still 352.3MB. Free memory is still 288.1MB. 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 04:21:40,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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 e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:21:43,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:21:43,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:21:44,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:21:44,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:21:44,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:21:44,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:21:44,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:21:44,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:21:44,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:21:44,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:21:44,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:21:44,059 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:21:44,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:21:44,059 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:21:44,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:21:44,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:21:44,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:21:44,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:21:44,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:21:44,060 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:21:44,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:21:44,060 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:21:44,060 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:21:44,061 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:21:44,061 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:44,061 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:21:44,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:21:44,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:44,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:21:44,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:21:44,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:21:44,066 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:21:44,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:44,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:21:44,070 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_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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 -> e0898e5e5cfdd247b566f3755428f0ed9de7ddc07afc49bdbd813552c9036aa1 [2024-11-25 04:21:44,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:21:44,380 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:21:44,382 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:21:44,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:21:44,384 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:21:44,385 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-11-25 04:21:47,382 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/f19de0283/7ebc961308064063be4cb34c01fa0c1a/FLAGb3ac0676a [2024-11-25 04:21:47,797 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:21:47,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_63_bad.i [2024-11-25 04:21:47,842 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/f19de0283/7ebc961308064063be4cb34c01fa0c1a/FLAGb3ac0676a [2024-11-25 04:21:47,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/data/f19de0283/7ebc961308064063be4cb34c01fa0c1a [2024-11-25 04:21:47,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:21:47,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:21:47,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:47,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:21:47,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:21:47,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:47" (1/1) ... [2024-11-25 04:21:47,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477db12a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:47, skipping insertion in model container [2024-11-25 04:21:47,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:21:47" (1/1) ... [2024-11-25 04:21:48,013 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:21:49,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:49,171 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:21:49,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:21:49,436 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:21:49,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49 WrapperNode [2024-11-25 04:21:49,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:21:49,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:49,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:21:49,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:21:49,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,491 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-25 04:21:49,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:21:49,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:21:49,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:21:49,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:21:49,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,527 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:21:49,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:21:49,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:21:49,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:21:49,543 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:21:49" (1/1) ... [2024-11-25 04:21:49,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:21:49,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:21:49,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:21:49,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:21:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:21:49,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:21:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:21:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:21:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:21:49,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:21:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:21:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:21:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:21:49,766 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:21:49,768 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:21:49,944 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-25 04:21:49,944 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:21:50,015 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:21:50,016 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:21:50,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:50 BoogieIcfgContainer [2024-11-25 04:21:50,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:21:50,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:21:50,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:21:50,028 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:21:50,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:50" (1/1) ... [2024-11-25 04:21:50,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:21:50,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:21:50,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:21:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:21:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:21:50,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:21:50,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:21:50,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:21:50,106 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:21:50,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:21:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:50,392 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:21:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:50,591 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:21:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:21:50,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:21:50,685 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:21:50,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:21:50 ImpRootNode [2024-11-25 04:21:50,723 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:21:50,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:21:50,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:21:50,725 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:21:50,726 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:21:50" (3/4) ... [2024-11-25 04:21:50,729 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:21:50,789 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 04:21:50,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:21:50,849 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:21:50,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:21:50,852 INFO L158 Benchmark]: Toolchain (without parser) took 2892.68ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 73.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-11-25 04:21:50,853 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 936B). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:50,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1478.94ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 68.5MB in the end (delta: 20.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 04:21:50,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.27ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:50,855 INFO L158 Benchmark]: Boogie Preprocessor took 48.44ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 64.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:50,855 INFO L158 Benchmark]: RCFGBuilder took 475.34ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 45.5MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:21:50,855 INFO L158 Benchmark]: CodeCheck took 705.75ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 78.2MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:50,856 INFO L158 Benchmark]: Witness Printer took 125.23ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 73.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:21:50,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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: 1568]: 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_predec_63_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_predec_63b_badSink(&data) [L1566] EXPR \read(*dataPtr) [L1566] int data = *dataPtr; [L1568] --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 0.46ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 936B). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1478.94ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 68.5MB in the end (delta: 20.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.27ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 66.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.44ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 64.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 475.34ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 45.5MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 705.75ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 78.2MB in the end (delta: -32.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 125.23ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 73.8MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:21:50,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96943d68-9ba3-4ac3-93e9-3382aa67c9fa/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)