./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_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_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/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_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/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_74e505cd-b434-448d-b422-4dcda9b9faae/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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:03:40,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:03:40,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:03:40,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:03:40,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:03:40,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:03:40,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:03:40,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:03:40,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:03:40,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:03:40,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:03:40,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:03:40,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:03:40,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:03:40,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:03:40,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:03:40,956 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:03:40,956 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:03:40,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:03:40,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:40,956 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:03:40,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:03:40,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:03:40,959 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:03:40,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:03:40,959 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_74e505cd-b434-448d-b422-4dcda9b9faae/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 -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2024-11-25 02:03:41,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:03:41,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:03:41,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:03:41,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:03:41,316 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:03:41,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-11-25 02:03:44,336 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/9ad1e9ef3/a842a00b0bbc48a5afdb66ed80352c77/FLAG7304f8c6d [2024-11-25 02:03:44,746 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:03:44,747 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-11-25 02:03:44,779 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/9ad1e9ef3/a842a00b0bbc48a5afdb66ed80352c77/FLAG7304f8c6d [2024-11-25 02:03:44,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/9ad1e9ef3/a842a00b0bbc48a5afdb66ed80352c77 [2024-11-25 02:03:44,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:03:44,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:03:44,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:44,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:03:44,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:03:44,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4068aec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:44, skipping insertion in model container [2024-11-25 02:03:44,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:44" (1/1) ... [2024-11-25 02:03:44,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:03:45,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:45,871 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:03:46,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:46,126 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:03:46,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46 WrapperNode [2024-11-25 02:03:46,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:46,127 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:46,127 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:03:46,127 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:03:46,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,177 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 92 [2024-11-25 02:03:46,178 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:46,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:03:46,179 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:03:46,179 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:03:46,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,194 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:03:46,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:03:46,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:03:46,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:03:46,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:46,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:46,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:03:46,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:03:46,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:03:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:03:46,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:03:46,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:03:46,415 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:03:46,418 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:03:46,701 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-25 02:03:46,701 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:03:46,987 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:03:46,987 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:03:46,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:46 BoogieIcfgContainer [2024-11-25 02:03:46,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:03:46,989 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:03:46,989 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:03:46,999 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:03:46,999 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:46" (1/1) ... [2024-11-25 02:03:47,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:03:47,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:03:47,060 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:03:47,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:03:47,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:47,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:03:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:47,422 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:03:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:47,588 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:03:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:47,641 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:03:47,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:03:47 ImpRootNode [2024-11-25 02:03:47,676 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:03:47,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:03:47,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:03:47,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:03:47,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:46" (3/4) ... [2024-11-25 02:03:47,681 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:03:47,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:03:47,684 INFO L158 Benchmark]: Toolchain (without parser) took 2887.66ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 62.6MB in the end (delta: 27.0MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB. [2024-11-25 02:03:47,684 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:47,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1329.47ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.8MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:03:47,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.70ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:47,687 INFO L158 Benchmark]: Boogie Preprocessor took 24.91ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:47,687 INFO L158 Benchmark]: RCFGBuilder took 783.64ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 41.8MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:03:47,688 INFO L158 Benchmark]: CodeCheck took 687.55ms. Allocated memory is still 117.4MB. Free memory was 41.8MB in the beginning and 62.6MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:47,689 INFO L158 Benchmark]: Witness Printer took 6.17ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:47,692 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: 1554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1552. 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_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1552] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1329.47ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 81.8MB in the end (delta: 7.6MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.70ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 79.1MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.91ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 783.64ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 41.8MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 687.55ms. Allocated memory is still 117.4MB. Free memory was 41.8MB in the beginning and 62.6MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.17ms. Allocated memory is still 117.4MB. Free memory was 62.6MB in the beginning and 62.6MB in the end (delta: 13.7kB). 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 02:03:47,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/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_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/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_74e505cd-b434-448d-b422-4dcda9b9faae/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 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:03:50,236 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:03:50,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:03:50,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:03:50,380 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:03:50,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:03:50,380 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:03:50,384 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:03:50,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:03:50,385 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:03:50,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:03:50,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:03:50,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:03:50,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:03:50,385 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:03:50,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:03:50,386 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:50,387 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:03:50,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:03:50,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:50,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:03:50,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:03:50,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:03:50,387 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:03:50,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:50,387 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:03:50,388 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_74e505cd-b434-448d-b422-4dcda9b9faae/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 -> 0ac740a3b1a14f8d2a150055a480c2f2925c92c6a0ac6b2d4ac1379fa5b4336c [2024-11-25 02:03:50,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:03:50,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:03:50,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:03:50,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:03:50,723 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:03:50,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-11-25 02:03:53,728 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/3c5a6e539/38a7e89a5f6c4134ac335dcdd7123e1b/FLAG745d3f7eb [2024-11-25 02:03:54,323 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:03:54,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_01_bad.i [2024-11-25 02:03:54,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/3c5a6e539/38a7e89a5f6c4134ac335dcdd7123e1b/FLAG745d3f7eb [2024-11-25 02:03:54,398 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/data/3c5a6e539/38a7e89a5f6c4134ac335dcdd7123e1b [2024-11-25 02:03:54,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:03:54,406 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:03:54,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:54,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:03:54,419 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:03:54,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:54" (1/1) ... [2024-11-25 02:03:54,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db6273f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:54, skipping insertion in model container [2024-11-25 02:03:54,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:03:54" (1/1) ... [2024-11-25 02:03:54,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:03:55,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:55,671 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:03:55,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:03:56,064 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:03:56,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56 WrapperNode [2024-11-25 02:03:56,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:03:56,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:56,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:03:56,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:03:56,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,152 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-25 02:03:56,153 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:03:56,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:03:56,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:03:56,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:03:56,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,167 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,187 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:03:56,188 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:03:56,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:03:56,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:03:56,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:03:56,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:03:56,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:03:56,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:03:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:03:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:03:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:03:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:03:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:03:56,483 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:03:56,484 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:03:56,643 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-25 02:03:56,644 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:03:56,753 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:03:56,753 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 02:03:56,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:56 BoogieIcfgContainer [2024-11-25 02:03:56,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:03:56,754 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:03:56,754 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:03:56,768 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:03:56,768 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:56" (1/1) ... [2024-11-25 02:03:56,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:03:56,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:03:56,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 02:03:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 02:03:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:03:56,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:03:56,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:03:56,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:03:56,860 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:03:56,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:03:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:57,076 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:03:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:57,259 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:03:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:03:57,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:03:57,322 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:03:57,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:03:57 ImpRootNode [2024-11-25 02:03:57,369 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:03:57,371 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:03:57,371 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:03:57,372 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:03:57,375 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:03:56" (3/4) ... [2024-11-25 02:03:57,376 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:03:57,446 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 02:03:57,519 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:03:57,520 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:03:57,520 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:03:57,524 INFO L158 Benchmark]: Toolchain (without parser) took 3115.33ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 88.8MB in the beginning and 212.5MB in the end (delta: -123.7MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-25 02:03:57,524 INFO L158 Benchmark]: CDTParser took 3.79ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:57,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1655.66ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 66.5MB in the end (delta: 22.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-25 02:03:57,525 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.14ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:57,525 INFO L158 Benchmark]: Boogie Preprocessor took 33.94ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:57,526 INFO L158 Benchmark]: RCFGBuilder took 565.20ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 45.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:03:57,526 INFO L158 Benchmark]: CodeCheck took 615.43ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 45.9MB in the beginning and 217.0MB in the end (delta: -171.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:03:57,527 INFO L158 Benchmark]: Witness Printer took 148.73ms. Allocated memory is still 251.7MB. Free memory was 217.0MB in the beginning and 212.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:03:57,532 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: 0.5s, 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: 1554]: 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_sub_01_bad() [L1550] int data; [L1551] data = 0 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1552] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.79ms. Allocated memory is still 117.4MB. Free memory is still 84.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1655.66ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 66.5MB in the end (delta: 22.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.14ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.0MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.94ms. Allocated memory is still 117.4MB. Free memory was 64.0MB in the beginning and 62.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.20ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 45.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 615.43ms. Allocated memory was 117.4MB in the beginning and 251.7MB in the end (delta: 134.2MB). Free memory was 45.9MB in the beginning and 217.0MB in the end (delta: -171.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 148.73ms. Allocated memory is still 251.7MB. Free memory was 217.0MB in the beginning and 212.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:03:57,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e505cd-b434-448d-b422-4dcda9b9faae/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)