./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:54:07,673 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:54:07,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:54:07,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:54:07,761 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:54:07,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:54:07,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:54:07,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:54:07,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:54:07,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:54:07,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:54:07,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:54:07,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:54:07,793 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:54:07,793 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:54:07,793 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:54:07,793 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:54:07,794 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:54:07,794 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:54:07,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:54:07,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:54:07,795 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:54:07,795 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:54:07,795 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:54:07,795 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:54:07,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:54:07,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:07,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:54:07,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:54:07,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:54:07,796 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:54:07,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:54:07,796 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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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 -> 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a [2024-11-13 21:54:08,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:54:08,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:54:08,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:54:08,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:54:08,098 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:54:08,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i Unable to find full path for "g++" [2024-11-13 21:54:10,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:54:10,523 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:54:10,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i [2024-11-13 21:54:10,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data/477dfde6a/ac88d1ab4ebc49a3ad831a1cfa49c619/FLAG13f15449a [2024-11-13 21:54:10,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data/477dfde6a/ac88d1ab4ebc49a3ad831a1cfa49c619 [2024-11-13 21:54:10,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:54:10,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:54:10,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:10,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:54:10,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:54:10,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:10" (1/1) ... [2024-11-13 21:54:10,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e969b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:10, skipping insertion in model container [2024-11-13 21:54:10,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:10" (1/1) ... [2024-11-13 21:54:10,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:54:11,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:11,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:54:11,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:11,922 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:54:11,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11 WrapperNode [2024-11-13 21:54:11,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:11,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:11,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:54:11,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:54:11,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,968 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-11-13 21:54:11,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:11,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:54:11,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:54:11,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:54:11,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,980 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:11,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:54:11,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:54:11,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:54:11,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:54:11,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:11" (1/1) ... [2024-11-13 21:54:12,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:12,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:54:12,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:54:12,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:54:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:54:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:54:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:54:12,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:54:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:54:12,277 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:54:12,279 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:54:12,557 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 21:54:12,558 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:54:12,859 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:54:12,859 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:54:12,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:12 BoogieIcfgContainer [2024-11-13 21:54:12,860 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:54:12,860 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:54:12,860 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:54:12,873 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:54:12,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:12" (1/1) ... [2024-11-13 21:54:12,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:54:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:54:12,940 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:54:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:54:12,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:12,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:13,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:54:13,492 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:54:13,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:54:13,492 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:13,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:54:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:13,666 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:54:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:13,866 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:54:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:13,929 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:54:13,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:54:13 ImpRootNode [2024-11-13 21:54:13,965 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:54:13,966 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:54:13,966 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:54:13,967 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:54:13,968 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:12" (3/4) ... [2024-11-13 21:54:13,970 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:54:13,971 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:54:13,973 INFO L158 Benchmark]: Toolchain (without parser) took 3378.49ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 38.5MB in the end (delta: 51.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-13 21:54:13,976 INFO L158 Benchmark]: CDTParser took 1.43ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:13,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.93ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 82.4MB in the end (delta: 7.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:54:13,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.38ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 79.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:13,977 INFO L158 Benchmark]: Boogie Preprocessor took 22.41ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:13,978 INFO L158 Benchmark]: RCFGBuilder took 867.57ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 41.2MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:54:13,978 INFO L158 Benchmark]: CodeCheck took 1105.27ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 39.2MB in the end (delta: 2.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-13 21:54:13,978 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 117.4MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:13,980 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1572]: 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 1561, 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); [L1548] int CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_add_22_bad() [L1552] int data; [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] CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_add_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_add_22_badGlobal) VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data + 1 VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, 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 1.43ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.93ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 82.4MB in the end (delta: 7.0MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.38ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 79.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.41ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 867.57ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 41.2MB in the end (delta: 37.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 1105.27ms. Allocated memory is still 117.4MB. Free memory was 41.2MB in the beginning and 39.2MB in the end (delta: 2.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 117.4MB. Free memory was 38.5MB in the beginning and 38.5MB in the end (delta: 13.7kB). 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 21:54:14,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:54:16,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:54:16,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:54:16,907 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:54:16,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:54:16,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:54:16,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:54:16,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:54:16,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:54:16,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:54:16,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:54:16,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:54:16,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:54:16,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:54:16,913 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:54:16,913 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:54:16,913 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:54:16,913 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:16,913 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:54:16,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:54:16,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:16,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:54:16,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:54:16,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:54:16,916 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:54:16,916 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:16,916 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:54:16,917 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_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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 -> 8c7b9dd98d4c513266fa7fe5913d744c52c3c91603e7945ca448e87864561d4a [2024-11-13 21:54:17,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:54:17,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:54:17,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:54:17,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:54:17,302 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:54:17,307 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i Unable to find full path for "g++" [2024-11-13 21:54:19,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:54:19,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:54:19,840 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_22_bad.i [2024-11-13 21:54:19,868 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data/37b54fcd9/5711e3b3e30e4c7e8c312eb358332568/FLAG8295f56af [2024-11-13 21:54:19,894 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/data/37b54fcd9/5711e3b3e30e4c7e8c312eb358332568 [2024-11-13 21:54:19,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:54:19,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:54:19,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:19,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:54:19,910 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:54:19,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:19" (1/1) ... [2024-11-13 21:54:19,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51619858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:19, skipping insertion in model container [2024-11-13 21:54:19,913 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:54:19" (1/1) ... [2024-11-13 21:54:19,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:54:21,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:21,047 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:54:21,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:54:21,380 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:54:21,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21 WrapperNode [2024-11-13 21:54:21,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:54:21,382 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:21,382 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:54:21,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:54:21,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,412 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,440 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 61 [2024-11-13 21:54:21,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:54:21,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:54:21,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:54:21,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:54:21,448 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,461 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,463 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:54:21,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:54:21,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:54:21,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:54:21,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:54:21" (1/1) ... [2024-11-13 21:54:21,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:54:21,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:54:21,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:54:21,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:54:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:54:21,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:54:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:54:21,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:54:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:54:21,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:54:21,721 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:54:21,909 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-13 21:54:21,909 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:54:22,005 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:54:22,009 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:54:22,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:22 BoogieIcfgContainer [2024-11-13 21:54:22,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:54:22,010 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:54:22,010 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:54:22,023 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:54:22,023 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:22" (1/1) ... [2024-11-13 21:54:22,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:54:22,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:54:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:54:22,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:54:22,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:22,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:22,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:22,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:22,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:54:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:22,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:54:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:54:22,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:54:22,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:54:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:54:22,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:54:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:54:22,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:54:22,404 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:54:22,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:54:22,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:54:22,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:54:22,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:54:22,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:54:22,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:54:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:22,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:54:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:22,685 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:54:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:54:22,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:54:22,731 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:54:22,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:54:22 ImpRootNode [2024-11-13 21:54:22,770 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:54:22,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:54:22,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:54:22,771 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:54:22,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:54:22" (3/4) ... [2024-11-13 21:54:22,774 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:54:22,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:54:22,779 INFO L158 Benchmark]: Toolchain (without parser) took 2878.25ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.5MB in the end (delta: 16.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-11-13 21:54:22,779 INFO L158 Benchmark]: CDTParser took 4.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:22,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1480.50ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 79.5MB in the end (delta: 11.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-13 21:54:22,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.11ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:22,783 INFO L158 Benchmark]: Boogie Preprocessor took 33.56ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:22,783 INFO L158 Benchmark]: RCFGBuilder took 533.17ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 57.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:54:22,784 INFO L158 Benchmark]: CodeCheck took 760.18ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 74.5MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:22,784 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.5MB in the end (delta: 19.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:54:22,788 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 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, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1572]: 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 1561. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 0; [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, 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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_add_22_bad() [L1552] int data; [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] CWE190_Integer_Overflow__int_rand_add_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_add_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_add_22_badGlobal) VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] data + 1 VAL [CWE190_Integer_Overflow__int_rand_add_22_badGlobal=1, 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 4.29ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1480.50ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 79.5MB in the end (delta: 11.2MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.11ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.56ms. Allocated memory is still 117.4MB. Free memory was 76.5MB in the beginning and 75.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.17ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 57.5MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 760.18ms. Allocated memory is still 117.4MB. Free memory was 57.5MB in the beginning and 74.5MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 74.5MB in the end (delta: 19.3kB). 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 21:54:22,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fb55a75-5188-45d6-b432-3a0edba9d7cd/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