./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_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_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b --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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:21:10,405 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:21:10,463 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:21:10,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:21:10,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:21:10,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:21:10,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:21:10,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:21:10,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:21:10,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:21:10,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:21:10,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:21:10,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:21:10,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:21:10,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:21:10,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:21:10,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:21:10,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:21:10,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:21:10,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:21:10,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:21:10,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:21:10,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:21:10,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:21:10,492 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_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b 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 -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-12-06 02:21:10,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:21:10,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:21:10,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:21:10,728 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:21:10,728 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:21:10,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-12-06 02:21:13,356 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/b0b5f6728/69884b6f00554d818739769f1c6f740d/FLAG100adac65 [2024-12-06 02:21:13,667 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:21:13,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-12-06 02:21:13,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/b0b5f6728/69884b6f00554d818739769f1c6f740d/FLAG100adac65 [2024-12-06 02:21:13,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/b0b5f6728/69884b6f00554d818739769f1c6f740d [2024-12-06 02:21:13,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:21:13,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:21:13,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:21:13,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:21:13,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:21:13,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:21:13" (1/1) ... [2024-12-06 02:21:13,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ea0152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:13, skipping insertion in model container [2024-12-06 02:21:13,954 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:21:13" (1/1) ... [2024-12-06 02:21:13,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:21:14,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:21:14,570 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:21:14,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:21:14,734 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:21:14,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14 WrapperNode [2024-12-06 02:21:14,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:21:14,736 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:21:14,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:21:14,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:21:14,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,772 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2024-12-06 02:21:14,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:21:14,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:21:14,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:21:14,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:21:14,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,779 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,781 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,785 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:21:14,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:21:14,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:21:14,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:21:14,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:14" (1/1) ... [2024-12-06 02:21:14,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:21:14,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:21:14,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:21:14,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:21:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:21:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:21:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:21:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:21:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:21:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-12-06 02:21:14,838 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-12-06 02:21:14,938 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:21:14,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:21:15,107 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-12-06 02:21:15,107 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:21:15,281 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:21:15,282 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:21:15,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:15 BoogieIcfgContainer [2024-12-06 02:21:15,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:21:15,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:21:15,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:21:15,292 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:21:15,292 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:15" (1/1) ... [2024-12-06 02:21:15,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:21:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-12-06 02:21:15,346 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-12-06 02:21:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:21:15,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:15,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:15,550 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:21:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:15,684 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:21:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:15,729 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:21:15,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:21:15 ImpRootNode [2024-12-06 02:21:15,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:21:15,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:21:15,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:21:15,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:21:15,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:15" (3/4) ... [2024-12-06 02:21:15,758 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:21:15,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:21:15,759 INFO L158 Benchmark]: Toolchain (without parser) took 1809.85ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 88.5MB in the end (delta: 24.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-12-06 02:21:15,760 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:15,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 785.08ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.1MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. [2024-12-06 02:21:15,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.18ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 109.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:15,761 INFO L158 Benchmark]: Boogie Preprocessor took 17.32ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 107.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:15,761 INFO L158 Benchmark]: RCFGBuilder took 490.97ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 65.8MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 02:21:15,761 INFO L158 Benchmark]: CodeCheck took 471.62ms. Allocated memory is still 142.6MB. Free memory was 65.8MB in the beginning and 88.5MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:15,762 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:15,764 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 3 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 15 NumberOfCodeBlocks, 15 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: 1567]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1562. 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1562] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 785.08ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 111.8MB in the end (delta: 1.1MB). Peak memory consumption was 74.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.18ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 109.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.32ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 107.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 490.97ms. Allocated memory is still 142.6MB. Free memory was 107.7MB in the beginning and 65.8MB in the end (delta: 42.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 471.62ms. Allocated memory is still 142.6MB. Free memory was 65.8MB in the beginning and 88.5MB in the end (delta: -22.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 88.5MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:21:15,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/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_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b --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 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:21:17,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:21:17,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:21:17,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:21:17,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:21:17,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:21:17,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:21:17,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:21:17,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:21:17,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:21:17,824 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:21:17,824 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:21:17,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:21:17,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:21:17,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:21:17,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:21:17,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:21:17,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:21:17,826 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:21:17,826 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:21:17,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:21:17,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:21:17,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:21:17,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:21:17,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:21:17,827 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:21:17,827 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:21:17,827 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:21:17,827 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_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b 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 -> 129a3d2d8d92aa7d141772d4ac8a897ab2e987a1f5e71e1ae67a2165041d52aa [2024-12-06 02:21:18,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:21:18,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:21:18,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:21:18,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:21:18,054 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:21:18,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-12-06 02:21:20,738 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/b59f012f2/516b4946bebd47299e4928bb38d5a48c/FLAGc4c2165b8 [2024-12-06 02:21:21,032 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:21:21,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_08_bad.i [2024-12-06 02:21:21,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/b59f012f2/516b4946bebd47299e4928bb38d5a48c/FLAGc4c2165b8 [2024-12-06 02:21:21,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/data/b59f012f2/516b4946bebd47299e4928bb38d5a48c [2024-12-06 02:21:21,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:21:21,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:21:21,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:21:21,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:21:21,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:21:21,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:21,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29de9a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21, skipping insertion in model container [2024-12-06 02:21:21,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:21,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:21:21,732 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:21:21,741 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:21:21,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:21:21,946 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:21:21,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21 WrapperNode [2024-12-06 02:21:21,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:21:21,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:21:21,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:21:21,948 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:21:21,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:21,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:21,989 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-12-06 02:21:21,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:21:21,990 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:21:21,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:21:21,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:21:21,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:21,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:21,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:21,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:22,006 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:22,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:22,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:22,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:22,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:22,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:21:22,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:21:22,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:21:22,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:21:22,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:21" (1/1) ... [2024-12-06 02:21:22,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:21:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:21:22,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:21:22,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:21:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:21:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:21:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:21:22,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:21:22,064 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-12-06 02:21:22,065 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-12-06 02:21:22,177 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:21:22,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:21:22,278 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 02:21:22,279 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:21:22,331 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:21:22,331 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:21:22,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:22 BoogieIcfgContainer [2024-12-06 02:21:22,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:21:22,332 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:21:22,332 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:21:22,340 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:21:22,340 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:22" (1/1) ... [2024-12-06 02:21:22,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:21:22,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2024-12-06 02:21:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2024-12-06 02:21:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:21:22,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:22,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:21:22,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:21:22,384 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:21:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:21:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:22,527 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:21:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:22,638 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:21:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:21:22,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:21:22,674 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:21:22,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:21:22 ImpRootNode [2024-12-06 02:21:22,699 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:21:22,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:21:22,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:21:22,700 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:21:22,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:22" (3/4) ... [2024-12-06 02:21:22,701 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:21:22,736 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 11. [2024-12-06 02:21:22,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:21:22,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:21:22,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:21:22,776 INFO L158 Benchmark]: Toolchain (without parser) took 1704.66ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 50.4MB in the end (delta: 16.0MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-12-06 02:21:22,777 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:22,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 874.32ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 62.1MB in the end (delta: 4.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. [2024-12-06 02:21:22,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.75ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:22,777 INFO L158 Benchmark]: Boogie Preprocessor took 22.61ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:22,778 INFO L158 Benchmark]: RCFGBuilder took 318.53ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.5MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:21:22,778 INFO L158 Benchmark]: CodeCheck took 367.34ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 55.5MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:21:22,778 INFO L158 Benchmark]: Witness Printer took 75.57ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 50.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:21:22,780 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 3 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 14 NumberOfCodeBlocks, 14 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: 1567]: 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); [L1575] 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) [L1575] 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] [L1576] CALL CWE191_Integer_Underflow__int_rand_sub_08_bad() [L1558] int data; [L1559] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] COND TRUE staticReturnsTrue() [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1562] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1564] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] COND TRUE staticReturnsTrue() [L1567] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 874.32ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 62.1MB in the end (delta: 4.0MB). Peak memory consumption was 48.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.75ms. Allocated memory is still 92.3MB. Free memory was 62.1MB in the beginning and 59.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.61ms. Allocated memory is still 92.3MB. Free memory was 59.4MB in the beginning and 57.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 318.53ms. Allocated memory is still 92.3MB. Free memory was 57.6MB in the beginning and 40.5MB in the end (delta: 17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 367.34ms. Allocated memory is still 92.3MB. Free memory was 40.5MB in the beginning and 55.5MB in the end (delta: -15.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 75.57ms. Allocated memory is still 92.3MB. Free memory was 55.0MB in the beginning and 50.4MB 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! [2024-12-06 02:21:22,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d81bb81d-1f67-42d1-955a-253351b25241/bin/ukojak-verify-CZk0znPC7b/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)