./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_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_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/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_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/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_0224a89b-c900-41bb-a743-efc91f0c3b02/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 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:53:30,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:53:30,465 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 20:53:30,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:53:30,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:53:30,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:53:30,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:53:30,505 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:53:30,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:53:30,507 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:53:30,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:53:30,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:53:30,508 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:53:30,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:53:30,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:53:30,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:53:30,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:53:30,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:53:30,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:53:30,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:53:30,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:53:30,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:53:30,510 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:53:30,511 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:53:30,511 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:53:30,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:53:30,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:30,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:53:30,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:53:30,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:53:30,512 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:53:30,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:53:30,512 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_0224a89b-c900-41bb-a743-efc91f0c3b02/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 -> 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 [2024-11-13 20:53:30,866 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:53:30,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:53:30,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:53:30,881 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:53:30,882 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:53:30,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i Unable to find full path for "g++" [2024-11-13 20:53:32,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:53:33,359 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:53:33,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2024-11-13 20:53:33,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data/33f88d25d/32bfc1ee67d94f9388ba1edb76f22468/FLAGfc7bce197 [2024-11-13 20:53:33,417 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data/33f88d25d/32bfc1ee67d94f9388ba1edb76f22468 [2024-11-13 20:53:33,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:53:33,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:53:33,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:33,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:53:33,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:53:33,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:33" (1/1) ... [2024-11-13 20:53:33,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b7504b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:33, skipping insertion in model container [2024-11-13 20:53:33,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:33" (1/1) ... [2024-11-13 20:53:33,495 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:53:34,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:34,558 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:53:34,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:34,844 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:53:34,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34 WrapperNode [2024-11-13 20:53:34,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:34,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:34,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:53:34,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:53:34,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,896 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,944 INFO L138 Inliner]: procedures = 499, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2024-11-13 20:53:34,946 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:34,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:53:34,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:53:34,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:53:34,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:53:34,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:53:34,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:53:34,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:53:34,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:34" (1/1) ... [2024-11-13 20:53:34,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:35,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:53:35,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:53:35,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:53:35,082 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:53:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:53:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:53:35,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:53:35,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:53:35,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:53:35,286 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:35,647 INFO L? ?]: Removed 64 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:35,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:53:35,983 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:53:35,984 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:53:35,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:35 BoogieIcfgContainer [2024-11-13 20:53:35,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:53:35,985 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:53:35,986 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:53:35,997 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:53:35,997 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:35" (1/1) ... [2024-11-13 20:53:36,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:53:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:53:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:53:36,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:53:36,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:36,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:36,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:53:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:36,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:53:36,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:36,710 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:53:36,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:53:36 ImpRootNode [2024-11-13 20:53:36,749 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:53:36,750 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:53:36,750 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:53:36,750 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:53:36,753 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:35" (3/4) ... [2024-11-13 20:53:36,756 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:53:36,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:53:36,758 INFO L158 Benchmark]: Toolchain (without parser) took 3336.15ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 53.1MB in the end (delta: 35.5MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-13 20:53:36,760 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:36,761 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.53ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 78.5MB in the end (delta: 9.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 20:53:36,761 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.56ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:36,763 INFO L158 Benchmark]: Boogie Preprocessor took 39.56ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:36,763 INFO L158 Benchmark]: RCFGBuilder took 997.23ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 36.7MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 20:53:36,765 INFO L158 Benchmark]: CodeCheck took 764.13ms. Allocated memory is still 117.4MB. Free memory was 36.7MB in the beginning and 53.8MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:36,765 INFO L158 Benchmark]: Witness Printer took 6.84ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 53.1MB in the end (delta: 766.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:36,770 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: 1568]: 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 1560, 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_predec_65b_badSink; [L1553] 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)) [L1555] CALL funcPtr(data) [L1568] --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 0.49ms. Allocated memory is still 117.4MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.53ms. Allocated memory is still 117.4MB. Free memory was 88.3MB in the beginning and 78.5MB in the end (delta: 9.8MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.56ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.56ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 74.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 997.23ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 36.7MB in the end (delta: 37.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 764.13ms. Allocated memory is still 117.4MB. Free memory was 36.7MB in the beginning and 53.8MB in the end (delta: -17.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.84ms. Allocated memory is still 117.4MB. Free memory was 53.8MB in the beginning and 53.1MB in the end (delta: 766.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:53:36,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/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_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/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_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/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_0224a89b-c900-41bb-a743-efc91f0c3b02/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 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:53:39,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:53:39,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 20:53:39,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:53:39,873 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:53:39,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:53:39,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:53:39,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:53:39,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:53:39,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:53:39,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:53:39,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:53:39,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:53:39,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:53:39,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:53:39,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:53:39,878 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:53:39,878 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:53:39,879 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:53:39,879 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:53:39,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:53:39,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:53:39,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:53:39,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:53:39,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:53:39,880 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:39,881 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:53:39,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:53:39,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:39,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:53:39,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:53:39,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:53:39,882 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:53:39,882 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:39,882 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:53:39,882 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_0224a89b-c900-41bb-a743-efc91f0c3b02/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 -> 1e7a810996294a966322c937b5f65d7b9a23312715388dcfce8e322fe3749ea4 [2024-11-13 20:53:40,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:53:40,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:53:40,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:53:40,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:53:40,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:53:40,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i Unable to find full path for "g++" [2024-11-13 20:53:42,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:53:43,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:53:43,071 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_bad.i [2024-11-13 20:53:43,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data/82e5e6858/bfe76475397e4179b712b78fff256bfc/FLAG114b4a412 [2024-11-13 20:53:43,145 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/data/82e5e6858/bfe76475397e4179b712b78fff256bfc [2024-11-13 20:53:43,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:53:43,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:53:43,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:43,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:53:43,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:53:43,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:43" (1/1) ... [2024-11-13 20:53:43,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a34f131 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:43, skipping insertion in model container [2024-11-13 20:53:43,166 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:53:43" (1/1) ... [2024-11-13 20:53:43,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:53:44,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:44,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:53:44,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:53:44,876 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:53:44,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44 WrapperNode [2024-11-13 20:53:44,877 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:53:44,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:44,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:53:44,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:53:44,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,949 INFO L138 Inliner]: procedures = 504, calls = 25, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2024-11-13 20:53:44,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:53:44,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:53:44,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:53:44,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:53:44,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:44,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:53:44,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:53:44,994 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:53:44,994 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:53:44,995 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:53:44" (1/1) ... [2024-11-13 20:53:45,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:53:45,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:53:45,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:53:45,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:53:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 20:53:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 20:53:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:53:45,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:53:45,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:53:45,243 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:53:45,245 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:53:45,401 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-13 20:53:45,401 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:53:45,504 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:53:45,504 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 20:53:45,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:45 BoogieIcfgContainer [2024-11-13 20:53:45,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:53:45,506 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:53:45,506 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:53:45,517 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:53:45,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:45" (1/1) ... [2024-11-13 20:53:45,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:53:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:45,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 20:53:45,569 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 20:53:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:53:45,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:45,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:45,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:45,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:45,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:53:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:45,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:53:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:45,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:53:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:53:45,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:53:45,979 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:53:46,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:53:46 ImpRootNode [2024-11-13 20:53:46,012 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:53:46,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:53:46,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:53:46,014 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:53:46,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:53:45" (3/4) ... [2024-11-13 20:53:46,018 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:53:46,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:53:46,022 INFO L158 Benchmark]: Toolchain (without parser) took 2869.84ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 38.7MB in the end (delta: 18.5MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-11-13 20:53:46,023 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:46,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1723.79ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.0MB in the end (delta: 5.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-13 20:53:46,023 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.81ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 48.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:46,024 INFO L158 Benchmark]: Boogie Preprocessor took 43.34ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:46,024 INFO L158 Benchmark]: RCFGBuilder took 511.44ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 52.6MB in the end (delta: -5.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-11-13 20:53:46,028 INFO L158 Benchmark]: CodeCheck took 505.86ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 38.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:53:46,028 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 83.9MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:53:46,030 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: 1568]: 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 1560. 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); [L1560] 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) [L1560] 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] [L1561] CALL CWE191_Integer_Underflow__int_rand_predec_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE191_Integer_Underflow__int_rand_predec_65b_badSink; [L1553] 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)) [L1555] CALL funcPtr(data) [L1568] --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 0.48ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1723.79ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 51.0MB in the end (delta: 5.9MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.81ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 48.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.34ms. Allocated memory is still 83.9MB. Free memory was 48.3MB in the beginning and 46.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.44ms. Allocated memory is still 83.9MB. Free memory was 46.7MB in the beginning and 52.6MB in the end (delta: -5.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * CodeCheck took 505.86ms. Allocated memory is still 83.9MB. Free memory was 52.6MB in the beginning and 38.7MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 83.9MB. Free memory is still 38.7MB. 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 20:53:46,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0224a89b-c900-41bb-a743-efc91f0c3b02/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample