./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_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_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/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_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/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_ffd96397-6a29-41de-9cec-461ffc205877/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 e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:36:08,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:36:08,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:36:08,448 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:36:08,448 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:36:08,471 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:36:08,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:36:08,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:36:08,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:36:08,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:36:08,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:36:08,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:36:08,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:36:08,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:36:08,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:36:08,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:36:08,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:36:08,476 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:36:08,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:36:08,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:36:08,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:36:08,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:36:08,476 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:36:08,476 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:36:08,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:36:08,477 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_ffd96397-6a29-41de-9cec-461ffc205877/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 -> e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc [2024-11-25 04:36:08,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:36:08,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:36:08,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:36:08,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:36:08,783 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:36:08,785 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-11-25 04:36:12,037 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/ce10c1428/1a4026b8a140490b802c2efbaae95484/FLAG0aa45713b [2024-11-25 04:36:12,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:36:12,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-11-25 04:36:12,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/ce10c1428/1a4026b8a140490b802c2efbaae95484/FLAG0aa45713b [2024-11-25 04:36:12,608 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/ce10c1428/1a4026b8a140490b802c2efbaae95484 [2024-11-25 04:36:12,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:36:12,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:36:12,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:36:12,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:36:12,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:36:12,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:36:12" (1/1) ... [2024-11-25 04:36:12,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddba4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:12, skipping insertion in model container [2024-11-25 04:36:12,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:36:12" (1/1) ... [2024-11-25 04:36:12,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:36:13,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:36:13,710 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:36:13,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:36:13,987 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:36:13,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13 WrapperNode [2024-11-25 04:36:13,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:36:13,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:36:13,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:36:13,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:36:13,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,053 INFO L138 Inliner]: procedures = 498, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-11-25 04:36:14,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:36:14,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:36:14,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:36:14,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:36:14,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,065 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,073 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:36:14,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:36:14,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:36:14,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:36:14,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:13" (1/1) ... [2024-11-25 04:36:14,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:36:14,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:36:14,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:36:14,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:36:14,183 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:36:14,184 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:36:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:36:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:36:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:36:14,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:36:14,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:36:14,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:36:14,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:36:14,392 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:36:14,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:36:14,708 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-25 04:36:14,708 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:36:14,990 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:36:14,991 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:36:14,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:14 BoogieIcfgContainer [2024-11-25 04:36:14,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:36:14,992 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:36:14,992 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:36:15,002 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:36:15,003 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:14" (1/1) ... [2024-11-25 04:36:15,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:36:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:36:15,081 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:36:15,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:36:15,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:15,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:36:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:15,436 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:36:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:15,685 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:36:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:15,758 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:36:15,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:36:15 ImpRootNode [2024-11-25 04:36:15,798 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:36:15,799 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:36:15,799 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:36:15,799 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:36:15,800 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:14" (3/4) ... [2024-11-25 04:36:15,803 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:36:15,807 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:36:15,808 INFO L158 Benchmark]: Toolchain (without parser) took 3193.91ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 66.7MB in the end (delta: 23.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-11-25 04:36:15,810 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:15,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.39ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.6MB in the end (delta: 8.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-25 04:36:15,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.24ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:15,812 INFO L158 Benchmark]: Boogie Preprocessor took 32.40ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:15,812 INFO L158 Benchmark]: RCFGBuilder took 904.53ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 39.9MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:36:15,814 INFO L158 Benchmark]: CodeCheck took 806.47ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 67.4MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:15,815 INFO L158 Benchmark]: Witness Printer took 7.93ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 66.7MB in the end (delta: 765.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:15,820 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, 0.1s 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --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 0.35ms. Allocated memory is still 117.4MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1371.39ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 81.6MB in the end (delta: 8.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.24ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.40ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 904.53ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 39.9MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 806.47ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 67.4MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.93ms. Allocated memory is still 117.4MB. Free memory was 67.4MB in the beginning and 66.7MB in the end (delta: 765.4kB). 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 04:36:15,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/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_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/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_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/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_ffd96397-6a29-41de-9cec-461ffc205877/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 e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:36:18,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:36:18,694 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:36:18,741 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:36:18,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:36:18,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:36:18,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:36:18,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:36:18,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:36:18,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:36:18,743 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:36:18,743 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:36:18,745 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:36:18,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:36:18,746 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:36:18,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:36:18,747 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:36:18,747 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:36:18,747 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:36:18,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:36:18,747 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:36:18,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:36:18,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:36:18,747 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:36:18,748 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:36:18,748 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:18,748 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:36:18,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:36:18,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:36:18,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:36:18,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:36:18,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:36:18,748 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:36:18,749 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:18,749 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:36:18,749 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_ffd96397-6a29-41de-9cec-461ffc205877/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 -> e09fa54e2cc198b3eceea1602ee62bf8d422eab76499615a6f09e84520b578cc [2024-11-25 04:36:19,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:36:19,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:36:19,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:36:19,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:36:19,110 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:36:19,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-11-25 04:36:22,320 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/be9179c68/613b1607b1704386a7946d0efd9487e9/FLAGd640c303d [2024-11-25 04:36:22,718 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:36:22,719 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_66_bad.i [2024-11-25 04:36:22,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/be9179c68/613b1607b1704386a7946d0efd9487e9/FLAGd640c303d [2024-11-25 04:36:22,759 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/data/be9179c68/613b1607b1704386a7946d0efd9487e9 [2024-11-25 04:36:22,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:36:22,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:36:22,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:36:22,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:36:22,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:36:22,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:36:22" (1/1) ... [2024-11-25 04:36:22,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dd997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:22, skipping insertion in model container [2024-11-25 04:36:22,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:36:22" (1/1) ... [2024-11-25 04:36:22,823 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:36:23,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:36:23,981 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:36:24,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:36:24,304 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:36:24,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24 WrapperNode [2024-11-25 04:36:24,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:36:24,305 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:36:24,305 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:36:24,305 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:36:24,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,373 INFO L138 Inliner]: procedures = 503, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 64 [2024-11-25 04:36:24,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:36:24,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:36:24,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:36:24,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:36:24,382 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,397 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,404 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,407 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:36:24,415 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:36:24,415 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:36:24,415 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:36:24,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:36:24" (1/1) ... [2024-11-25 04:36:24,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:36:24,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:36:24,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:36:24,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:36:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:36:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:36:24,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:36:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:36:24,719 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:36:24,721 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:36:24,885 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-25 04:36:24,885 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:36:25,000 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:36:25,000 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:36:25,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:25 BoogieIcfgContainer [2024-11-25 04:36:25,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:36:25,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:36:25,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:36:25,019 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:36:25,019 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:25" (1/1) ... [2024-11-25 04:36:25,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:36:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:36:25,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 04:36:25,081 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 04:36:25,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 04:36:25,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:36:25,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:36:25,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:36:25,092 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:36:25,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:36:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:25,338 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:36:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:25,535 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:36:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:36:25,606 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 04:36:25,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:36:25,615 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:36:25,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:36:25 ImpRootNode [2024-11-25 04:36:25,660 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:36:25,662 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:36:25,662 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:36:25,662 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:36:25,663 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:36:25" (3/4) ... [2024-11-25 04:36:25,667 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 04:36:25,730 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 6. [2024-11-25 04:36:25,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:36:25,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:36:25,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:36:25,789 INFO L158 Benchmark]: Toolchain (without parser) took 3023.54ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 31.8MB in the end (delta: 25.2MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-25 04:36:25,789 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:25,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.40ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.5MB in the end (delta: 5.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 04:36:25,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.62ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:25,791 INFO L158 Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 46.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:36:25,791 INFO L158 Benchmark]: RCFGBuilder took 585.87ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 52.0MB in the end (delta: -5.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-25 04:36:25,792 INFO L158 Benchmark]: CodeCheck took 658.68ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 36.7MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:25,792 INFO L158 Benchmark]: Witness Printer took 124.10ms. Allocated memory is still 83.9MB. Free memory was 36.7MB in the beginning and 31.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:36:25,795 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 - CounterExampleResult [Line: 1570]: 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); [L1561] 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) [L1561] 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] [L1562] CALL CWE191_Integer_Underflow__int_rand_predec_66_bad() [L1551] int data; [L1552] int dataArray[5]; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1555] dataArray[2] = data [L1556] CALL CWE191_Integer_Underflow__int_rand_predec_66b_badSink(dataArray) [L1568] EXPR dataArray[2] [L1568] int data = dataArray[2]; [L1570] --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 0.26ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1540.40ms. Allocated memory is still 83.9MB. Free memory was 57.0MB in the beginning and 51.5MB in the end (delta: 5.5MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.62ms. Allocated memory is still 83.9MB. Free memory was 51.5MB in the beginning and 48.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.79ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 46.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 585.87ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 52.0MB in the end (delta: -5.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * CodeCheck took 658.68ms. Allocated memory is still 83.9MB. Free memory was 51.6MB in the beginning and 36.7MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 124.10ms. Allocated memory is still 83.9MB. Free memory was 36.7MB in the beginning and 31.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 04:36:25,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffd96397-6a29-41de-9cec-461ffc205877/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)