./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_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_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/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_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/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_429248d2-f266-4c35-b1cf-ef06fec38d5d/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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:44:13,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:44:13,837 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:44:13,841 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:44:13,841 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:44:13,859 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:44:13,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:44:13,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:44:13,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:44:13,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:44:13,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:44:13,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:44:13,861 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:44:13,861 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:44:13,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:44:13,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:44:13,862 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:44:13,862 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:44:13,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:44:13,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:13,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:44:13,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:44:13,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:44:13,863 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:44:13,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:44:13,863 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_429248d2-f266-4c35-b1cf-ef06fec38d5d/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 -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-12-06 02:44:14,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:44:14,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:44:14,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:44:14,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:44:14,077 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:44:14,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-12-06 02:44:16,660 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/b83be031e/f2c558bd004f478ab39fca14ba4da862/FLAG0a16b6284 [2024-12-06 02:44:16,962 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:44:16,963 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-12-06 02:44:16,982 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/b83be031e/f2c558bd004f478ab39fca14ba4da862/FLAG0a16b6284 [2024-12-06 02:44:17,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/b83be031e/f2c558bd004f478ab39fca14ba4da862 [2024-12-06 02:44:17,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:44:17,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:44:17,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:17,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:44:17,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:44:17,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ae5994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:17, skipping insertion in model container [2024-12-06 02:44:17,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:17" (1/1) ... [2024-12-06 02:44:17,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:44:17,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:17,957 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:44:18,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:18,114 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:44:18,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18 WrapperNode [2024-12-06 02:44:18,115 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:18,116 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:18,116 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:44:18,116 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:44:18,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,135 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,159 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 100 [2024-12-06 02:44:18,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:18,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:44:18,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:44:18,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:44:18,166 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,169 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,173 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,174 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,176 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,178 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:44:18,181 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:44:18,181 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:44:18,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:44:18,182 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:18,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:44:18,211 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:44:18,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:44:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:44:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:44:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:44:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:44:18,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:44:18,350 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:44:18,351 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:44:18,522 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-12-06 02:44:18,522 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:44:18,691 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:44:18,691 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:44:18,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:18 BoogieIcfgContainer [2024-12-06 02:44:18,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:44:18,693 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:44:18,693 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:44:18,702 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:44:18,702 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:18" (1/1) ... [2024-12-06 02:44:18,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:44:18,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 02:44:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 02:44:18,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:44:18,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:18,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:44:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:18,924 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:44:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:19,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:19,056 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:44:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:19,093 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:44:19,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:44:19 ImpRootNode [2024-12-06 02:44:19,116 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:44:19,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:44:19,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:44:19,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:44:19,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:18" (3/4) ... [2024-12-06 02:44:19,120 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:44:19,121 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:44:19,122 INFO L158 Benchmark]: Toolchain (without parser) took 1877.25ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 107.9MB in the end (delta: 6.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-12-06 02:44:19,122 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:19,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.20ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.1MB in the end (delta: 58.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 02:44:19,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.60ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 113.4MB in the end (delta: -58.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-12-06 02:44:19,123 INFO L158 Benchmark]: Boogie Preprocessor took 21.16ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:19,124 INFO L158 Benchmark]: RCFGBuilder took 510.68ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 74.1MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 02:44:19,124 INFO L158 Benchmark]: CodeCheck took 423.52ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 107.9MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:19,124 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:19,126 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1570. 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1570] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 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 0.23ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.20ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 55.1MB in the end (delta: 58.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.60ms. Allocated memory is still 142.6MB. Free memory was 55.1MB in the beginning and 113.4MB in the end (delta: -58.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.16ms. Allocated memory is still 142.6MB. Free memory was 113.4MB in the beginning and 112.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 510.68ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 74.1MB in the end (delta: 38.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 423.52ms. Allocated memory is still 142.6MB. Free memory was 74.1MB in the beginning and 107.9MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory is still 107.9MB. 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 02:44:19,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/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_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/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_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/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_429248d2-f266-4c35-b1cf-ef06fec38d5d/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 b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:44:21,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:44:21,174 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:44:21,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:44:21,199 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:44:21,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:44:21,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:44:21,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:44:21,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:44:21,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:44:21,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:44:21,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:44:21,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:44:21,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:44:21,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:44:21,201 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:44:21,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:44:21,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:44:21,202 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:21,202 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:44:21,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:44:21,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:21,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:44:21,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:44:21,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:44:21,203 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:44:21,203 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:21,203 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:44:21,203 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_429248d2-f266-4c35-b1cf-ef06fec38d5d/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 -> b2807a4cc87786940a61af69cc55473e7904a8c161f64abc11510e5a17174c28 [2024-12-06 02:44:21,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:44:21,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:44:21,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:44:21,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:44:21,441 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:44:21,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-12-06 02:44:24,061 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/12c0dda7e/f07a9e77d2b34b1e92d58a5337cf00a5/FLAG6027f75ba [2024-12-06 02:44:24,370 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:44:24,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_61_bad.i [2024-12-06 02:44:24,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/12c0dda7e/f07a9e77d2b34b1e92d58a5337cf00a5/FLAG6027f75ba [2024-12-06 02:44:24,401 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/data/12c0dda7e/f07a9e77d2b34b1e92d58a5337cf00a5 [2024-12-06 02:44:24,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:44:24,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:44:24,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:24,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:44:24,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:44:24,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:24" (1/1) ... [2024-12-06 02:44:24,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb2e41b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:24, skipping insertion in model container [2024-12-06 02:44:24,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:44:24" (1/1) ... [2024-12-06 02:44:24,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:44:25,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:25,100 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:44:25,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:44:25,293 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:44:25,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25 WrapperNode [2024-12-06 02:44:25,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:44:25,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:25,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:44:25,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:44:25,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,336 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-12-06 02:44:25,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:44:25,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:44:25,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:44:25,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:44:25,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,353 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,354 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,358 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:44:25,362 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:44:25,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:44:25,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:44:25,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:44:25,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:44:25,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:44:25,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:44:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:44:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:44:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:44:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:44:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:44:25,535 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:44:25,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:44:25,643 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-12-06 02:44:25,643 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:44:25,694 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:44:25,694 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:44:25,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:25 BoogieIcfgContainer [2024-12-06 02:44:25,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:44:25,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:44:25,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:44:25,705 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:44:25,706 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:25" (1/1) ... [2024-12-06 02:44:25,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:44:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 02:44:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 02:44:25,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:44:25,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:25,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:25,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:25,767 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:25,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:44:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:25,914 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:44:25,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:26,004 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:44:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:44:26,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:44:26,037 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:44:26,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:44:26 ImpRootNode [2024-12-06 02:44:26,061 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:44:26,062 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:44:26,062 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:44:26,062 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:44:26,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:44:25" (3/4) ... [2024-12-06 02:44:26,063 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:44:26,102 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-12-06 02:44:26,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:44:26,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:44:26,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:44:26,149 INFO L158 Benchmark]: Toolchain (without parser) took 1744.10ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 66.1MB in the beginning and 143.1MB in the end (delta: -77.0MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-12-06 02:44:26,149 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:26,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 888.65ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 60.6MB in the end (delta: 5.2MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-06 02:44:26,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.06ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 57.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:26,150 INFO L158 Benchmark]: Boogie Preprocessor took 24.37ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:26,150 INFO L158 Benchmark]: RCFGBuilder took 332.74ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 39.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:44:26,150 INFO L158 Benchmark]: CodeCheck took 365.33ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 39.3MB in the beginning and 148.2MB in the end (delta: -108.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:44:26,151 INFO L158 Benchmark]: Witness Printer took 86.02ms. Allocated memory is still 184.5MB. Free memory was 148.2MB in the beginning and 143.1MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:44:26,153 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, 14 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, 7 NumberOfCodeBlocks, 7 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: 1556]: 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); [L1563] 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) [L1563] 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] [L1564] CALL CWE191_Integer_Underflow__int_rand_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1570] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1571] return data; [L1553] RET, EXPR CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1553] data = CWE191_Integer_Underflow__int_rand_multiply_61b_badSource(data) [L1554] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073774592, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 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 0.31ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 888.65ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 60.6MB in the end (delta: 5.2MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.06ms. Allocated memory is still 92.3MB. Free memory was 60.6MB in the beginning and 57.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.37ms. Allocated memory is still 92.3MB. Free memory was 57.9MB in the beginning and 56.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.74ms. Allocated memory is still 92.3MB. Free memory was 56.1MB in the beginning and 39.3MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 365.33ms. Allocated memory was 92.3MB in the beginning and 184.5MB in the end (delta: 92.3MB). Free memory was 39.3MB in the beginning and 148.2MB in the end (delta: -108.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.02ms. Allocated memory is still 184.5MB. Free memory was 148.2MB in the beginning and 143.1MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:44:26,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_429248d2-f266-4c35-b1cf-ef06fec38d5d/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)