./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:49,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:49,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:34:49,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:34:49,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:34:49,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:49,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:49,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:49,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:49,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:49,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:49,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:49,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:34:49,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:49,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:49,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:49,505 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:49,505 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:34:49,505 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:34:49,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:49,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:49,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:49,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:49,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:49,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:49,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:49,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:49,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:49,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:49,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:49,507 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:34:49,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:34:49,507 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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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 -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2024-11-25 02:34:49,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:49,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:49,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:49,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:49,826 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:49,827 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-25 02:34:52,901 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/6df442c6a/d47eed05501b4b32a44bd143bce9c232/FLAG0f97c2914 [2024-11-25 02:34:53,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:34:53,358 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-25 02:34:53,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/6df442c6a/d47eed05501b4b32a44bd143bce9c232/FLAG0f97c2914 [2024-11-25 02:34:53,416 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/6df442c6a/d47eed05501b4b32a44bd143bce9c232 [2024-11-25 02:34:53,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:34:53,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:34:53,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:53,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:34:53,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:34:53,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:53" (1/1) ... [2024-11-25 02:34:53,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@270a9654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:53, skipping insertion in model container [2024-11-25 02:34:53,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:34:53" (1/1) ... [2024-11-25 02:34:53,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:34:54,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:54,395 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:34:54,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:34:54,664 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:34:54,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54 WrapperNode [2024-11-25 02:34:54,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:34:54,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:54,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:34:54,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:34:54,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,697 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,718 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2024-11-25 02:34:54,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:34:54,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:34:54,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:34:54,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:34:54,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,744 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:34:54,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:34:54,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:34:54,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:34:54,767 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:34:54" (1/1) ... [2024-11-25 02:34:54,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:54,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:34:54,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:34:54,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:34:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:34:54,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:34:54,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:34:54,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:34:54,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:34:55,042 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:34:55,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:34:55,270 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 02:34:55,271 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:34:55,532 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:34:55,533 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:34:55,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:55 BoogieIcfgContainer [2024-11-25 02:34:55,533 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:34:55,534 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:34:55,534 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:34:55,545 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:34:55,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:55" (1/1) ... [2024-11-25 02:34:55,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:34:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:55,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 02:34:55,615 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 02:34:55,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:34:55,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:55,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:34:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:56,013 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:56,235 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:34:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:34:56,288 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:34:56,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:34:56 ImpRootNode [2024-11-25 02:34:56,322 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:34:56,322 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:34:56,322 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:34:56,322 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:34:56,323 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:34:55" (3/4) ... [2024-11-25 02:34:56,327 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:34:56,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:34:56,330 INFO L158 Benchmark]: Toolchain (without parser) took 2909.92ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 58.2MB in the end (delta: 30.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,332 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:56,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1243.80ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.7MB in the end (delta: 7.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.26ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 78.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,334 INFO L158 Benchmark]: Boogie Preprocessor took 44.94ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:56,334 INFO L158 Benchmark]: RCFGBuilder took 768.16ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 37.0MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:34:56,335 INFO L158 Benchmark]: CodeCheck took 787.60ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 58.3MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:56,336 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 58.2MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:34:56,339 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] --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 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1243.80ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.7MB in the end (delta: 7.3MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.26ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 78.9MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.94ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 768.16ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 37.0MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 787.60ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 58.3MB in the end (delta: -21.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 117.4MB. Free memory was 58.3MB in the beginning and 58.2MB 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 02:34:56,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:34:59,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:34:59,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:34:59,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:34:59,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:34:59,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:34:59,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:34:59,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:34:59,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:34:59,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:34:59,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:34:59,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:34:59,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:34:59,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:34:59,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:34:59,299 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:34:59,299 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:34:59,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:34:59,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:34:59,299 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:34:59,299 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:34:59,299 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:34:59,299 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:34:59,300 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:34:59,300 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:34:59,300 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:59,300 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:34:59,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:34:59,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:34:59,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:34:59,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:34:59,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:34:59,301 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:34:59,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:59,301 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:34:59,301 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_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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 -> 64cd393683af38b1e269cbf5df7e3124cf504d7be3c9164b51306a9786286716 [2024-11-25 02:34:59,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:34:59,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:34:59,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:34:59,668 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:34:59,671 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:34:59,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-25 02:35:02,641 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/5277ae71f/e76ff12a2b99457c9baa88b3066d7034/FLAG6546758cf [2024-11-25 02:35:03,066 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:03,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_02_bad.i [2024-11-25 02:35:03,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/5277ae71f/e76ff12a2b99457c9baa88b3066d7034/FLAG6546758cf [2024-11-25 02:35:03,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/data/5277ae71f/e76ff12a2b99457c9baa88b3066d7034 [2024-11-25 02:35:03,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:03,131 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:03,133 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:03,133 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:03,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:03,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:03" (1/1) ... [2024-11-25 02:35:03,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ec277b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:03, skipping insertion in model container [2024-11-25 02:35:03,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:03" (1/1) ... [2024-11-25 02:35:03,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:04,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:04,209 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:04,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:04,551 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:04,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04 WrapperNode [2024-11-25 02:35:04,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:04,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:04,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:04,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:04,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,597 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,630 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-25 02:35:04,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:04,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:04,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:04,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:04,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,646 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,660 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:04,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:04,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:04,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:04,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:04" (1/1) ... [2024-11-25 02:35:04,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:04,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:04,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:04,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:35:04,763 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:35:04,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:04,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:04,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:04,921 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:04,924 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:05,095 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:05,097 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:05,203 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:05,203 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:35:05,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:05 BoogieIcfgContainer [2024-11-25 02:35:05,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:05,205 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:05,205 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:05,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:05,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:05" (1/1) ... [2024-11-25 02:35:05,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:05,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-25 02:35:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-25 02:35:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:35:05,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:05,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:05,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:05,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:05,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:35:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:05,514 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:05,714 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:05,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:35:05,770 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:35:05,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:35:05 ImpRootNode [2024-11-25 02:35:05,801 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:35:05,803 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:35:05,803 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:35:05,804 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:35:05,805 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:05" (3/4) ... [2024-11-25 02:35:05,806 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:35:05,859 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 5. [2024-11-25 02:35:05,911 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:35:05,911 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:35:05,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:35:05,915 INFO L158 Benchmark]: Toolchain (without parser) took 2782.02ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 58.6MB in the beginning and 128.2MB in the end (delta: -69.6MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-11-25 02:35:05,915 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:05,916 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1420.91ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 58.6MB in the beginning and 170.6MB in the end (delta: -112.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:05,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.36ms. Allocated memory is still 201.3MB. Free memory was 170.6MB in the beginning and 167.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:05,916 INFO L158 Benchmark]: Boogie Preprocessor took 48.72ms. Allocated memory is still 201.3MB. Free memory was 167.7MB in the beginning and 166.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:05,917 INFO L158 Benchmark]: RCFGBuilder took 522.01ms. Allocated memory is still 201.3MB. Free memory was 166.3MB in the beginning and 147.4MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:35:05,917 INFO L158 Benchmark]: CodeCheck took 596.83ms. Allocated memory is still 201.3MB. Free memory was 147.4MB in the beginning and 132.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:05,917 INFO L158 Benchmark]: Witness Printer took 108.47ms. Allocated memory is still 201.3MB. Free memory was 132.8MB in the beginning and 128.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:05,920 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, 13 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: 1559]: 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_rand_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1559] --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 0.41ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1420.91ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 58.6MB in the beginning and 170.6MB in the end (delta: -112.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.36ms. Allocated memory is still 201.3MB. Free memory was 170.6MB in the beginning and 167.7MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.72ms. Allocated memory is still 201.3MB. Free memory was 167.7MB in the beginning and 166.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 522.01ms. Allocated memory is still 201.3MB. Free memory was 166.3MB in the beginning and 147.4MB in the end (delta: 18.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 596.83ms. Allocated memory is still 201.3MB. Free memory was 147.4MB in the beginning and 132.8MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 108.47ms. Allocated memory is still 201.3MB. Free memory was 132.8MB in the beginning and 128.2MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:35:05,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1df7a6a-4a6c-4896-a8f6-a06987d46cf7/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)