./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/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_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/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_80b672f2-75b2-491f-abbe-979b5c35c642/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 ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:17:52,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:17:52,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:17:52,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:17:52,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:17:52,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:17:52,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:17:52,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:17:52,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:17:52,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:17:52,993 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:17:52,996 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:17:52,996 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:17:52,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:17:52,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:17:52,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:17:52,997 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:17:52,997 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:17:52,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:17:52,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:52,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:17:52,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:17:52,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:17:52,998 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:17:52,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:17:52,998 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_80b672f2-75b2-491f-abbe-979b5c35c642/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 -> ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 [2024-11-13 21:17:53,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:17:53,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:17:53,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:17:53,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:17:53,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:17:53,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i Unable to find full path for "g++" [2024-11-13 21:17:55,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:17:55,678 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:17:55,678 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2024-11-13 21:17:55,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data/ecac87b93/3cb062bc2053454cb1f8e20a66ad84be/FLAG2a4f68d80 [2024-11-13 21:17:55,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data/ecac87b93/3cb062bc2053454cb1f8e20a66ad84be [2024-11-13 21:17:55,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:17:55,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:17:55,804 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:55,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:17:55,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:17:55,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:55" (1/1) ... [2024-11-13 21:17:55,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a07286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:55, skipping insertion in model container [2024-11-13 21:17:55,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:55" (1/1) ... [2024-11-13 21:17:55,886 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:17:56,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:56,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:17:57,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:57,167 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:17:57,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57 WrapperNode [2024-11-13 21:17:57,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:57,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:57,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:17:57,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:17:57,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,198 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,221 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2024-11-13 21:17:57,221 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:57,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:17:57,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:17:57,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:17:57,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,234 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,234 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,244 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:17:57,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:17:57,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:17:57,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:17:57,263 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:57" (1/1) ... [2024-11-13 21:17:57,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:57,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:17:57,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:17:57,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:17:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:17:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:17:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:17:57,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:17:57,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:17:57,478 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:17:57,481 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:17:57,762 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-11-13 21:17:57,762 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:17:58,069 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:17:58,069 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:17:58,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:58 BoogieIcfgContainer [2024-11-13 21:17:58,069 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:17:58,070 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:17:58,070 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:17:58,081 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:17:58,081 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:58" (1/1) ... [2024-11-13 21:17:58,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:17:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:58,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:17:58,152 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:17:58,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:58,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:58,573 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 21:17:58,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:17:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:17:58,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:17:58,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:58,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:58,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:17:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:58,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:17:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:17:59,039 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:17:59,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:17:59 ImpRootNode [2024-11-13 21:17:59,076 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:17:59,077 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:17:59,077 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:17:59,078 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:17:59,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:58" (3/4) ... [2024-11-13 21:17:59,082 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:17:59,083 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:17:59,086 INFO L158 Benchmark]: Toolchain (without parser) took 3283.72ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 49.7MB in the end (delta: 39.6MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-13 21:17:59,087 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1365.12ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.9MB in the end (delta: 9.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-11-13 21:17:59,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.24ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,088 INFO L158 Benchmark]: Boogie Preprocessor took 37.53ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 76.3MB in the end (delta: 577.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,088 INFO L158 Benchmark]: RCFGBuilder took 808.12ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 39.4MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 21:17:59,089 INFO L158 Benchmark]: CodeCheck took 1005.67ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 49.7MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,089 INFO L158 Benchmark]: Witness Printer took 6.13ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:17:59,096 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 40 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, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566, overapproximation of bitwiseOr at line 1554. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1365.12ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.9MB in the end (delta: 9.1MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.24ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 77.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.53ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 76.3MB in the end (delta: 577.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 808.12ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 39.4MB in the end (delta: 36.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 1005.67ms. Allocated memory is still 117.4MB. Free memory was 39.4MB in the beginning and 49.7MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.13ms. Allocated memory is still 117.4MB. Free memory was 49.7MB in the beginning and 49.7MB 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 21:17:59,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/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_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/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_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/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_80b672f2-75b2-491f-abbe-979b5c35c642/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 ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:18:01,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:18:02,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:18:02,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:18:02,048 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:18:02,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:18:02,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:18:02,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:18:02,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:18:02,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:18:02,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:18:02,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:18:02,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:18:02,051 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:18:02,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:18:02,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:18:02,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:18:02,051 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:02,051 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:18:02,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:18:02,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:02,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:18:02,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:18:02,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:18:02,052 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:18:02,052 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:02,052 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:18:02,052 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_80b672f2-75b2-491f-abbe-979b5c35c642/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 -> ae0bfc3a3ab2f2fdbd1e7a7d0616897f65ee27d96b912429d1b0e30f61c1b8c6 [2024-11-13 21:18:02,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:18:02,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:18:02,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:18:02,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:18:02,419 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:18:02,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i Unable to find full path for "g++" [2024-11-13 21:18:04,419 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:18:04,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:18:04,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_18_bad.i [2024-11-13 21:18:04,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data/c34af1a2a/dfa8708a2f0c4433abe84627bd4bec17/FLAG9b7e7c384 [2024-11-13 21:18:04,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/data/c34af1a2a/dfa8708a2f0c4433abe84627bd4bec17 [2024-11-13 21:18:04,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:18:04,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:18:04,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:04,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:18:04,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:18:04,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:04" (1/1) ... [2024-11-13 21:18:04,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c48f27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:04, skipping insertion in model container [2024-11-13 21:18:04,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:18:04" (1/1) ... [2024-11-13 21:18:05,033 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:18:06,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:06,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:18:06,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:18:06,539 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:18:06,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06 WrapperNode [2024-11-13 21:18:06,540 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:18:06,541 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:06,541 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:18:06,541 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:18:06,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,617 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-11-13 21:18:06,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:18:06,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:18:06,619 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:18:06,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:18:06,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:18:06,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:18:06,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:18:06,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:18:06,652 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:18:06" (1/1) ... [2024-11-13 21:18:06,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:18:06,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:18:06,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:18:06,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:18:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:18:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:18:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:18:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:18:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:18:06,874 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:18:06,877 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:18:07,027 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-13 21:18:07,028 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:18:07,095 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:18:07,096 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:18:07,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:07 BoogieIcfgContainer [2024-11-13 21:18:07,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:18:07,097 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:18:07,097 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:18:07,108 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:18:07,108 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:07" (1/1) ... [2024-11-13 21:18:07,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:18:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-13 21:18:07,166 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-13 21:18:07,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:18:07,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:07,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:07,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:07,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:07,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:18:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:07,393 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:18:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:07,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:18:07,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:18:07,520 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 21:18:07,523 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:18:07,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:18:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 21:18:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 21:18:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:18:07,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:07,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:18:07,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:18:07,591 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:18:07,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:18:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:07,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:07,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:18:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:18:07,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:18:07,958 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:18:07,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:18:07 ImpRootNode [2024-11-13 21:18:07,993 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:18:07,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:18:07,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:18:07,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:18:07,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:18:07" (3/4) ... [2024-11-13 21:18:07,998 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:18:07,999 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:18:08,002 INFO L158 Benchmark]: Toolchain (without parser) took 3041.56ms. Allocated memory is still 117.4MB. Free memory was 90.2MB in the beginning and 71.8MB in the end (delta: 18.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-11-13 21:18:08,002 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:08,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1579.88ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 77.1MB in the end (delta: 12.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-13 21:18:08,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.13ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:08,003 INFO L158 Benchmark]: Boogie Preprocessor took 31.36ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 71.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:08,007 INFO L158 Benchmark]: RCFGBuilder took 445.79ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 55.8MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:18:08,008 INFO L158 Benchmark]: CodeCheck took 895.60ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 71.8MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:08,008 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 16.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:18:08,010 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 44 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 31 ConjunctsInSsa, 2 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1566. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1566] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1566] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1567] CALL CWE190_Integer_Overflow__int_rand_multiply_18_bad() [L1550] int data; [L1551] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147450881, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147450881, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1579.88ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 77.1MB in the end (delta: 12.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.13ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 74.3MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.36ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 71.8MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 445.79ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 55.8MB in the end (delta: 16.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 895.60ms. Allocated memory is still 117.4MB. Free memory was 55.8MB in the beginning and 71.8MB in the end (delta: -16.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 71.8MB in the end (delta: 16.6kB). 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 21:18:08,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80b672f2-75b2-491f-abbe-979b5c35c642/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