./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm --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 a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:12,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:12,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:56:12,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:56:12,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:56:12,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:12,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:12,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:12,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:12,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:12,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:12,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:12,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:56:12,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:12,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:12,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:12,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:12,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:12,211 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:56:12,211 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:56:12,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:12,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:12,211 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:12,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:12,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:12,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:12,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:12,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:12,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:12,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:12,212 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:56:12,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:56:12,212 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_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm 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 -> a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a [2024-11-13 20:56:12,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:12,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:12,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:12,591 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:12,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:12,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i Unable to find full path for "g++" [2024-11-13 20:56:14,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:15,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:15,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i [2024-11-13 20:56:15,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data/cf1c2a824/64c8f23dc615440bbdf5262083e53a2f/FLAGe5480c17f [2024-11-13 20:56:15,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data/cf1c2a824/64c8f23dc615440bbdf5262083e53a2f [2024-11-13 20:56:15,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:15,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:15,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:15,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:15,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:15,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:15" (1/1) ... [2024-11-13 20:56:15,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b2c75f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:15, skipping insertion in model container [2024-11-13 20:56:15,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:15" (1/1) ... [2024-11-13 20:56:15,204 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:16,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:16,109 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:16,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:16,438 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:16,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16 WrapperNode [2024-11-13 20:56:16,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:16,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:16,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:16,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:16,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,503 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2024-11-13 20:56:16,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:16,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:16,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:16,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:16,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,514 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:16,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:16,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:16,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:16,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:16" (1/1) ... [2024-11-13 20:56:16,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:16,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:16,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:16,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:56:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:56:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:16,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:16,751 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:16,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:56:16,971 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 20:56:16,973 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:56:17,230 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:56:17,231 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:56:17,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:17 BoogieIcfgContainer [2024-11-13 20:56:17,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:56:17,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:56:17,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:56:17,244 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:56:17,244 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:17" (1/1) ... [2024-11-13 20:56:17,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:56:17,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:17,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:56:17,323 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:56:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:56:17,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:56:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:17,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:17,888 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:17,949 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:56:17,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:56:17 ImpRootNode [2024-11-13 20:56:17,984 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:56:17,985 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:56:17,985 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:56:17,986 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:56:17,986 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:17" (3/4) ... [2024-11-13 20:56:17,989 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:56:17,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:56:17,992 INFO L158 Benchmark]: Toolchain (without parser) took 2845.57ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.5MB in the beginning and 286.4MB in the end (delta: -195.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2024-11-13 20:56:17,995 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:17,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1291.39ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 81.6MB in the end (delta: 8.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 20:56:17,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.60ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:56:17,996 INFO L158 Benchmark]: Boogie Preprocessor took 22.26ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:17,998 INFO L158 Benchmark]: RCFGBuilder took 704.57ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.8MB in the beginning and 317.9MB in the end (delta: -240.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-13 20:56:17,999 INFO L158 Benchmark]: CodeCheck took 751.65ms. Allocated memory is still 352.3MB. Free memory was 317.9MB in the beginning and 286.4MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:56:17,999 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 352.3MB. Free memory is still 286.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:18,005 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.20ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1291.39ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 81.6MB in the end (delta: 8.6MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.60ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.26ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 704.57ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.8MB in the beginning and 317.9MB in the end (delta: -240.1MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. * CodeCheck took 751.65ms. Allocated memory is still 352.3MB. Free memory was 317.9MB in the beginning and 286.4MB in the end (delta: 31.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 352.3MB. Free memory is still 286.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:56:18,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/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_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm --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 a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:56:20,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:56:20,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:56:20,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:56:20,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:56:20,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:56:20,905 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:56:20,905 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:56:20,905 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:56:20,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:56:20,906 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:56:20,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:56:20,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:56:20,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:56:20,906 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:56:20,906 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:56:20,906 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:56:20,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:56:20,907 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:56:20,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:56:20,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:56:20,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:56:20,907 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:56:20,907 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:56:20,908 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:56:20,908 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:20,908 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:56:20,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:56:20,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:20,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:56:20,909 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:56:20,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:56:20,909 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:56:20,909 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:20,909 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:56:20,909 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_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm 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 -> a5452b108c7f0f61426de0e0299f4c8f6249a1c631578efbf002f9f7ea1f6e8a [2024-11-13 20:56:21,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:56:21,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:56:21,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:56:21,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:56:21,209 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:56:21,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i Unable to find full path for "g++" [2024-11-13 20:56:23,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:56:23,661 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:56:23,662 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_18_bad.i [2024-11-13 20:56:23,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data/ab0e186f5/c85e494d10234c2bb2bdb256a7e7f688/FLAG73c075607 [2024-11-13 20:56:23,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/data/ab0e186f5/c85e494d10234c2bb2bdb256a7e7f688 [2024-11-13 20:56:23,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:56:23,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:56:23,742 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:23,743 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:56:23,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:56:23,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:23" (1/1) ... [2024-11-13 20:56:23,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c42f502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:23, skipping insertion in model container [2024-11-13 20:56:23,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:56:23" (1/1) ... [2024-11-13 20:56:23,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:56:25,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:25,066 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:56:25,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:56:25,333 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:56:25,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25 WrapperNode [2024-11-13 20:56:25,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:56:25,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:25,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:56:25,336 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:56:25,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,393 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-13 20:56:25,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:56:25,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:56:25,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:56:25,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:56:25,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:56:25,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:56:25,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:56:25,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:56:25,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:25,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:56:25,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:56:25,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:56:25,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:56:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:56:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:56:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:56:25,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:56:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:56:25,711 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:56:25,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:56:25,875 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 20:56:25,875 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:56:25,982 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:56:25,985 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:56:25,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:25 BoogieIcfgContainer [2024-11-13 20:56:25,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:56:25,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:56:25,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:56:26,000 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:56:26,000 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:25" (1/1) ... [2024-11-13 20:56:26,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:56:26,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:56:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:56:26,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:56:26,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:26,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:26,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:26,069 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:26,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:56:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:26,244 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:26,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:56:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:56:26,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:56:26,476 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:56:26,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:56:26 ImpRootNode [2024-11-13 20:56:26,514 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:56:26,515 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:56:26,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:56:26,515 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:56:26,516 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:56:25" (3/4) ... [2024-11-13 20:56:26,520 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:56:26,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:56:26,522 INFO L158 Benchmark]: Toolchain (without parser) took 2784.18ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 80.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-13 20:56:26,525 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:26,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1592.95ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 68.0MB in the end (delta: 21.3MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2024-11-13 20:56:26,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.87ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:26,526 INFO L158 Benchmark]: Boogie Preprocessor took 35.54ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:26,526 INFO L158 Benchmark]: RCFGBuilder took 555.22ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 45.3MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:56:26,527 INFO L158 Benchmark]: CodeCheck took 527.64ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 81.6MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:26,527 INFO L158 Benchmark]: Witness Printer took 5.92ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 696.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:56:26,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1558]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. 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); [L1566] 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) [L1566] 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] [L1567] CALL CWE191_Integer_Underflow__int_rand_postdec_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1558] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1592.95ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 68.0MB in the end (delta: 21.3MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.87ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 65.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.54ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.22ms. Allocated memory is still 117.4MB. Free memory was 63.4MB in the beginning and 45.3MB in the end (delta: 18.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 527.64ms. Allocated memory is still 117.4MB. Free memory was 45.3MB in the beginning and 81.6MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.92ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 80.9MB in the end (delta: 696.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:56:26,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1734fbeb-3951-4a4f-9a1b-a8ebc7073b67/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample