./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_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_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/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_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/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_10940989-2309-483c-8841-5761b57d8689/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 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:55:00,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:55:00,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-12-06 02:55:00,065 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:55:00,066 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:55:00,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:55:00,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:55:00,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:55:00,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:55:00,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:55:00,086 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:55:00,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:55:00,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:55:00,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:55:00,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:55:00,088 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:55:00,088 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:55:00,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:55:00,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:00,088 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:55:00,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:55:00,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:55:00,088 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:55:00,088 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:55:00,088 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_10940989-2309-483c-8841-5761b57d8689/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 -> 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 [2024-12-06 02:55:00,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:55:00,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:55:00,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:55:00,326 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:55:00,327 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:55:00,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i [2024-12-06 02:55:02,936 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/2a7c4564c/8169992596674fa8962ac5dcdd0457a7/FLAG9b62dc1c5 [2024-12-06 02:55:03,260 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:55:03,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i [2024-12-06 02:55:03,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/2a7c4564c/8169992596674fa8962ac5dcdd0457a7/FLAG9b62dc1c5 [2024-12-06 02:55:03,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/2a7c4564c/8169992596674fa8962ac5dcdd0457a7 [2024-12-06 02:55:03,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:55:03,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:55:03,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:03,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:55:03,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:55:03,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:03" (1/1) ... [2024-12-06 02:55:03,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72661a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:03, skipping insertion in model container [2024-12-06 02:55:03,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:03" (1/1) ... [2024-12-06 02:55:03,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:55:04,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:04,140 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:55:04,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:04,321 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:55:04,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04 WrapperNode [2024-12-06 02:55:04,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:04,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:04,323 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:55:04,323 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:55:04,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,359 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-12-06 02:55:04,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:04,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:55:04,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:55:04,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:55:04,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:55:04,383 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:55:04,383 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:55:04,383 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:55:04,384 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:04,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:55:04,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:55:04,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:55:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:55:04,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:55:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:55:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:55:04,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:55:04,546 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:55:04,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:55:04,714 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-12-06 02:55:04,714 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:55:04,872 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:55:04,872 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:55:04,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:04 BoogieIcfgContainer [2024-12-06 02:55:04,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:55:04,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:55:04,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:55:04,879 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:55:04,879 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:04" (1/1) ... [2024-12-06 02:55:04,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:55:04,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:04,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 02:55:04,921 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 02:55:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:55:04,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:04,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:55:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:05,166 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:55:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:05,297 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:55:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:05,343 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:55:05,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:55:05 ImpRootNode [2024-12-06 02:55:05,367 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:55:05,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:55:05,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:55:05,368 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:55:05,369 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:04" (3/4) ... [2024-12-06 02:55:05,371 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:55:05,372 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:55:05,373 INFO L158 Benchmark]: Toolchain (without parser) took 1856.49ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 89.0MB in the beginning and 135.1MB in the end (delta: -46.1MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-12-06 02:55:05,373 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:05,374 INFO L158 Benchmark]: CACSL2BoogieTranslator took 804.87ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.8MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-12-06 02:55:05,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.48ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:55:05,375 INFO L158 Benchmark]: Boogie Preprocessor took 21.88ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:05,375 INFO L158 Benchmark]: RCFGBuilder took 489.12ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 36.0MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 02:55:05,375 INFO L158 Benchmark]: CodeCheck took 494.85ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 36.0MB in the beginning and 135.9MB in the end (delta: -100.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:05,376 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 201.3MB. Free memory was 135.9MB in the beginning and 135.1MB in the end (delta: 784.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:05,378 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 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: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 804.87ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 80.8MB in the end (delta: 8.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.48ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.5MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.88ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.12ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 36.0MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 494.85ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 36.0MB in the beginning and 135.9MB in the end (delta: -100.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 201.3MB. Free memory was 135.9MB in the beginning and 135.1MB in the end (delta: 784.5kB). 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 02:55:05,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/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_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/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_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/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_10940989-2309-483c-8841-5761b57d8689/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 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:55:07,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:55:07,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-12-06 02:55:07,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:55:07,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:55:07,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:55:07,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:55:07,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:55:07,368 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:55:07,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:55:07,370 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:55:07,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:55:07,370 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:55:07,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:55:07,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:55:07,370 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:07,370 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:55:07,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:55:07,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:07,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:55:07,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:55:07,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:55:07,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:55:07,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:07,371 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:55:07,371 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_10940989-2309-483c-8841-5761b57d8689/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 -> 641b63822d471d5531f90d48cfbdbaae35d751fa5a120de5a1c27d8ea3ca4d41 [2024-12-06 02:55:07,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:55:07,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:55:07,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:55:07,588 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:55:07,588 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:55:07,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i [2024-12-06 02:55:10,254 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/97883b462/c504d4ae0a0c4ff0beacf23d4447d926/FLAG4e1ff3e0d [2024-12-06 02:55:10,509 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:55:10,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_05_bad.i [2024-12-06 02:55:10,528 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/97883b462/c504d4ae0a0c4ff0beacf23d4447d926/FLAG4e1ff3e0d [2024-12-06 02:55:10,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/data/97883b462/c504d4ae0a0c4ff0beacf23d4447d926 [2024-12-06 02:55:10,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:55:10,547 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:55:10,548 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:10,548 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:55:10,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:55:10,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:10" (1/1) ... [2024-12-06 02:55:10,554 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d861d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:10, skipping insertion in model container [2024-12-06 02:55:10,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:55:10" (1/1) ... [2024-12-06 02:55:10,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:55:11,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:11,228 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:55:11,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:55:11,457 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:55:11,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11 WrapperNode [2024-12-06 02:55:11,458 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:55:11,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:11,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:55:11,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:55:11,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,501 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2024-12-06 02:55:11,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:55:11,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:55:11,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:55:11,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:55:11,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,518 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:55:11,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:55:11,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:55:11,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:55:11,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:55:11,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:55:11,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:55:11,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:55:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-06 02:55:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-06 02:55:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:55:11,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:55:11,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:55:11,702 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:55:11,704 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:55:11,803 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 02:55:11,803 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:55:11,861 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:55:11,862 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 02:55:11,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:11 BoogieIcfgContainer [2024-12-06 02:55:11,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:55:11,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:55:11,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:55:11,872 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:55:11,872 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:11" (1/1) ... [2024-12-06 02:55:11,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:55:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:55:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-06 02:55:11,920 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-06 02:55:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:55:11,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:55:11,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:55:11,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:55:11,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:55:11,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:55:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:12,058 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:55:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:12,162 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:55:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:55:12,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:55:12,194 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 02:55:12,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:55:12 ImpRootNode [2024-12-06 02:55:12,216 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:55:12,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:55:12,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:55:12,216 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:55:12,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:55:11" (3/4) ... [2024-12-06 02:55:12,218 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-06 02:55:12,251 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-06 02:55:12,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:55:12,286 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:55:12,286 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:55:12,287 INFO L158 Benchmark]: Toolchain (without parser) took 1740.34ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 51.0MB in the end (delta: 15.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-06 02:55:12,287 INFO L158 Benchmark]: CDTParser took 0.29ms. 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 02:55:12,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 910.03ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 61.9MB in the end (delta: 4.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-12-06 02:55:12,288 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.69ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:12,288 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:12,288 INFO L158 Benchmark]: RCFGBuilder took 334.44ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 39.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:55:12,289 INFO L158 Benchmark]: CodeCheck took 352.76ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 55.3MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:55:12,289 INFO L158 Benchmark]: Witness Printer took 70.00ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 51.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:55:12,291 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: 1561]: 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); [L1548] static int staticTrue = 1; [L1549] static int staticFalse = 0; [L1570] 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, staticFalse=0, staticTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] 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, staticFalse=0, staticTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_postdec_05_bad() [L1552] int data; [L1553] data = 0 [L1554] COND TRUE \read(staticTrue) [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] COND TRUE \read(staticTrue) [L1561] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFalse=0, staticTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 910.03ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 61.9MB in the end (delta: 4.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.69ms. Allocated memory is still 92.3MB. Free memory was 61.9MB in the beginning and 59.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 92.3MB. Free memory was 59.2MB in the beginning and 57.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.44ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 39.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 352.76ms. Allocated memory is still 92.3MB. Free memory was 39.9MB in the beginning and 55.3MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.00ms. Allocated memory is still 92.3MB. Free memory was 55.3MB in the beginning and 51.0MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-06 02:55:12,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10940989-2309-483c-8841-5761b57d8689/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)