./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_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_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/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_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/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_59a3545f-272f-44a2-a21c-cbb2540adbbc/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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:34:48,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:34:48,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:34:48,897 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:34:48,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:34:48,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:34:48,935 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:34:48,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:34:48,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:34:48,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:34:48,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:34:48,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:34:48,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:34:48,939 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:34:48,939 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:34:48,939 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:34:48,939 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:34:48,941 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:34:48,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:34:48,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:48,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:34:48,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:34:48,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:34:48,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:34:48,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:34:48,942 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_59a3545f-272f-44a2-a21c-cbb2540adbbc/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 -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-11-25 03:34:49,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:34:49,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:34:49,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:34:49,309 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:34:49,310 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:34:49,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-25 03:34:52,532 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/71109ab90/d756e69b18c64fcfa9aee5a3b3425617/FLAG6958a4f64 [2024-11-25 03:34:53,014 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:34:53,017 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-25 03:34:53,036 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/71109ab90/d756e69b18c64fcfa9aee5a3b3425617/FLAG6958a4f64 [2024-11-25 03:34:53,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/71109ab90/d756e69b18c64fcfa9aee5a3b3425617 [2024-11-25 03:34:53,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:34:53,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:34:53,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:53,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:34:53,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:34:53,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:53" (1/1) ... [2024-11-25 03:34:53,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633428f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:53, skipping insertion in model container [2024-11-25 03:34:53,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:34:53" (1/1) ... [2024-11-25 03:34:53,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:34:54,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:54,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:34:54,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:34:54,404 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:34:54,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54 WrapperNode [2024-11-25 03:34:54,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:34:54,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:54,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:34:54,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:34:54,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,441 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,469 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 99 [2024-11-25 03:34:54,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:34:54,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:34:54,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:34:54,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:34:54,480 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,491 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:34:54,508 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:34:54,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:34:54,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:34:54,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:34:54" (1/1) ... [2024-11-25 03:34:54,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:34:54,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:34:54,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:34:54,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:34:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:34:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:34:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:34:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:34:54,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:34:54,774 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:34:54,776 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:34:55,058 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-25 03:34:55,058 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:34:55,420 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:34:55,423 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:34:55,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:55 BoogieIcfgContainer [2024-11-25 03:34:55,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:34:55,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:34:55,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:34:55,441 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:34:55,441 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:55" (1/1) ... [2024-11-25 03:34:55,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:34:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:34:55,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:34:55,533 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:34:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:34:55,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:34:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:34:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:34:55,868 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:34:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:34:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:34:56,193 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:34:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:34:56,254 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:34:56,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:34:56 ImpRootNode [2024-11-25 03:34:56,300 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:34:56,301 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:34:56,301 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:34:56,301 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:34:56,302 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:34:55" (3/4) ... [2024-11-25 03:34:56,309 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:34:56,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:34:56,312 INFO L158 Benchmark]: Toolchain (without parser) took 3255.74ms. Allocated memory is still 109.1MB. Free memory was 80.1MB in the beginning and 73.5MB in the end (delta: 6.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-11-25 03:34:56,314 INFO L158 Benchmark]: CDTParser took 1.69ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:56,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1348.70ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 63.5MB in the end (delta: 16.3MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 03:34:56,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.83ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 60.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:34:56,317 INFO L158 Benchmark]: Boogie Preprocessor took 32.53ms. Allocated memory is still 109.1MB. Free memory was 60.7MB in the beginning and 59.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:56,318 INFO L158 Benchmark]: RCFGBuilder took 916.78ms. Allocated memory is still 109.1MB. Free memory was 59.6MB in the beginning and 71.4MB in the end (delta: -11.9MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-25 03:34:56,320 INFO L158 Benchmark]: CodeCheck took 875.16ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 74.2MB in the end (delta: -2.7MB). Peak memory consumption was 686.6kB. Max. memory is 16.1GB. [2024-11-25 03:34:56,321 INFO L158 Benchmark]: Witness Printer took 9.88ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 73.5MB in the end (delta: 671.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:34:56,324 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: 0.8s, 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1553. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_52c_badSink(data) [L1572] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.69ms. Allocated memory is still 83.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1348.70ms. Allocated memory is still 109.1MB. Free memory was 79.8MB in the beginning and 63.5MB in the end (delta: 16.3MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.83ms. Allocated memory is still 109.1MB. Free memory was 63.5MB in the beginning and 60.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.53ms. Allocated memory is still 109.1MB. Free memory was 60.7MB in the beginning and 59.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 916.78ms. Allocated memory is still 109.1MB. Free memory was 59.6MB in the beginning and 71.4MB in the end (delta: -11.9MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * CodeCheck took 875.16ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 74.2MB in the end (delta: -2.7MB). Peak memory consumption was 686.6kB. Max. memory is 16.1GB. * Witness Printer took 9.88ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 73.5MB in the end (delta: 671.4kB). 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 03:34:56,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/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_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/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_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/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_59a3545f-272f-44a2-a21c-cbb2540adbbc/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 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:34:59,941 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:35:00,082 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:35:00,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:35:00,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:35:00,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:35:00,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:35:00,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:35:00,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:35:00,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:35:00,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:35:00,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:35:00,158 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:35:00,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:35:00,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:35:00,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:35:00,159 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:35:00,160 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:35:00,162 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:35:00,162 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:35:00,162 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:35:00,162 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:35:00,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:35:00,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:35:00,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:35:00,163 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:00,163 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:35:00,163 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:35:00,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:00,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:35:00,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:35:00,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:35:00,164 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:35:00,164 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:00,164 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:35:00,164 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_59a3545f-272f-44a2-a21c-cbb2540adbbc/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 -> 3e36a199aa0ccdd77af56159f0b4bbf8a4cac90e77a9fae4396e11976ef891d5 [2024-11-25 03:35:00,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:35:00,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:35:00,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:35:00,569 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:35:00,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:35:00,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-25 03:35:03,925 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/370111954/1b9aa3a6d4ce409c90085ee898f68b86/FLAG236552e5b [2024-11-25 03:35:04,371 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:35:04,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_52_bad.i [2024-11-25 03:35:04,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/370111954/1b9aa3a6d4ce409c90085ee898f68b86/FLAG236552e5b [2024-11-25 03:35:04,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/data/370111954/1b9aa3a6d4ce409c90085ee898f68b86 [2024-11-25 03:35:04,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:35:04,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:35:04,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:04,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:35:04,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:35:04,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:04" (1/1) ... [2024-11-25 03:35:04,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f10a685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:04, skipping insertion in model container [2024-11-25 03:35:04,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:35:04" (1/1) ... [2024-11-25 03:35:04,511 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:35:05,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:05,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:35:05,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:35:06,225 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:35:06,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06 WrapperNode [2024-11-25 03:35:06,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:35:06,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:06,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:35:06,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:35:06,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,282 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,320 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2024-11-25 03:35:06,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:35:06,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:35:06,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:35:06,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:35:06,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,343 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,344 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,361 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,375 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:35:06,386 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:35:06,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:35:06,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:35:06,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:35:06" (1/1) ... [2024-11-25 03:35:06,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:35:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:35:06,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:35:06,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:35:06,488 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:35:06,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:35:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:35:06,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:35:06,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:35:06,697 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:35:06,699 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:35:06,923 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-25 03:35:06,924 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:35:07,008 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:35:07,026 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 03:35:07,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:07 BoogieIcfgContainer [2024-11-25 03:35:07,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:35:07,028 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:35:07,028 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:35:07,042 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:35:07,042 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:07" (1/1) ... [2024-11-25 03:35:07,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:35:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:35:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-25 03:35:07,120 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-25 03:35:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:35:07,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:35:07,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:35:07,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:35:07,129 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:35:07,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:35:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:07,359 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:35:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:07,511 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:35:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:35:07,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-25 03:35:07,566 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:35:07,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:35:07 ImpRootNode [2024-11-25 03:35:07,607 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:35:07,608 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:35:07,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:35:07,610 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:35:07,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:35:07" (3/4) ... [2024-11-25 03:35:07,612 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:35:07,662 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-11-25 03:35:07,720 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:35:07,720 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:35:07,720 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:35:07,722 INFO L158 Benchmark]: Toolchain (without parser) took 3287.24ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 35.2MB in the end (delta: 21.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-25 03:35:07,726 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:07,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1790.70ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 50.6MB in the end (delta: 5.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-25 03:35:07,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.47ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:07,728 INFO L158 Benchmark]: Boogie Preprocessor took 61.37ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:35:07,728 INFO L158 Benchmark]: RCFGBuilder took 641.32ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 52.8MB in the end (delta: -6.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-11-25 03:35:07,728 INFO L158 Benchmark]: CodeCheck took 579.34ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 39.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:35:07,729 INFO L158 Benchmark]: Witness Printer took 112.46ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 35.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:35:07,731 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: 1572]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE191_Integer_Underflow__int_rand_predec_52_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE191_Integer_Underflow__int_rand_predec_52b_badSink(data) [L1567] CALL CWE191_Integer_Underflow__int_rand_predec_52c_badSink(data) [L1572] --data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 64.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1790.70ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 50.6MB in the end (delta: 5.8MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.47ms. Allocated memory is still 83.9MB. Free memory was 50.6MB in the beginning and 47.8MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.37ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 46.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 641.32ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 52.8MB in the end (delta: -6.9MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * CodeCheck took 579.34ms. Allocated memory is still 83.9MB. Free memory was 52.8MB in the beginning and 39.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 112.46ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 35.2MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:35:07,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59a3545f-272f-44a2-a21c-cbb2540adbbc/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)