./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_32_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_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/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_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/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_dc1d19a1-1a67-48c7-acbe-679387f08181/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 fd8c286813be66b7c1fca89284c935f4a558d30dac1f327867170c0eda6e69f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:04:52,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:04:52,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:04:52,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:04:52,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:04:52,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:04:52,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:04:52,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:04:52,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:04:52,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:04:52,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:04:52,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:04:52,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:04:52,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:04:52,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:04:52,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:04:52,627 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:04:52,628 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:04:52,628 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:04:52,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:04:52,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:04:52,629 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:04:52,629 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:04:52,629 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:04:52,629 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:04:52,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:04:52,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:52,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:04:52,630 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:04:52,630 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:04:52,630 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:04:52,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:04:52,630 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_dc1d19a1-1a67-48c7-acbe-679387f08181/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 -> fd8c286813be66b7c1fca89284c935f4a558d30dac1f327867170c0eda6e69f4 [2024-11-13 21:04:52,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:04:52,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:04:52,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:04:52,982 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:04:52,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:04:52,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_32_bad.i Unable to find full path for "g++" [2024-11-13 21:04:55,324 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:04:55,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:04:55,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_32_bad.i [2024-11-13 21:04:55,879 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data/54357fb56/60235d1da6bb4bd8a88a873856a9319c/FLAG8aef811c2 [2024-11-13 21:04:55,903 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data/54357fb56/60235d1da6bb4bd8a88a873856a9319c [2024-11-13 21:04:55,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:04:55,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:04:55,910 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:55,910 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:04:55,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:04:55,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:55" (1/1) ... [2024-11-13 21:04:55,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@595daee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55, skipping insertion in model container [2024-11-13 21:04:55,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:55" (1/1) ... [2024-11-13 21:04:55,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:04:56,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:56,983 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:04:57,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:04:57,264 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:04:57,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57 WrapperNode [2024-11-13 21:04:57,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:04:57,266 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:57,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:04:57,266 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:04:57,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,322 INFO L138 Inliner]: procedures = 497, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-11-13 21:04:57,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:04:57,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:04:57,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:04:57,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:04:57,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,351 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:04:57,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:04:57,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:04:57,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:04:57,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:57" (1/1) ... [2024-11-13 21:04:57,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:04:57,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:04:57,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:04:57,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:04:57,444 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:04:57,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:04:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:04:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:04:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:04:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:04:57,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:04:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:04:57,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:04:57,643 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:04:57,644 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:04:57,888 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-13 21:04:57,888 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:04:58,143 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:04:58,144 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:04:58,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:58 BoogieIcfgContainer [2024-11-13 21:04:58,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:04:58,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:04:58,145 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:04:58,156 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:04:58,156 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:58" (1/1) ... [2024-11-13 21:04:58,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:04:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:04:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:04:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:04:58,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:58,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:04:59,065 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 21:04:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:04:59,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 21:04:59,135 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 21:04:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:04:59,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:04:59,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:04:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:59,324 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:04:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:59,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:04:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:04:59,659 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:04:59,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:04:59 ImpRootNode [2024-11-13 21:04:59,703 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:04:59,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:04:59,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:04:59,705 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:04:59,706 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:04:58" (3/4) ... [2024-11-13 21:04:59,709 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:04:59,710 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:04:59,713 INFO L158 Benchmark]: Toolchain (without parser) took 3802.51ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 69.8MB in the end (delta: 19.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-13 21:04:59,714 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:59,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1354.66ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.4MB in the end (delta: 10.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-11-13 21:04:59,718 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.57ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:59,718 INFO L158 Benchmark]: Boogie Preprocessor took 28.09ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:59,718 INFO L158 Benchmark]: RCFGBuilder took 788.02ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 37.0MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:04:59,719 INFO L158 Benchmark]: CodeCheck took 1558.38ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 70.7MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:59,719 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.8MB in the end (delta: 911.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:04:59,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 4 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, 4 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 33 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, 0.5s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 1562]: 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 1571, overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_rand_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1354.66ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 79.4MB in the end (delta: 10.0MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.57ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.09ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 788.02ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 37.0MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 1558.38ms. Allocated memory is still 117.4MB. Free memory was 37.0MB in the beginning and 70.7MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.8MB in the end (delta: 911.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:04:59,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/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 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_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/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_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/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_dc1d19a1-1a67-48c7-acbe-679387f08181/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 fd8c286813be66b7c1fca89284c935f4a558d30dac1f327867170c0eda6e69f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:05:02,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:05:02,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:05:02,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:05:02,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:05:02,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:05:02,951 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:05:02,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:05:02,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:05:02,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:05:02,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:05:02,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:05:02,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:05:02,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:05:02,954 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:05:02,956 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:05:02,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:05:02,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:05:02,956 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:05:02,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:05:02,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:05:02,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:05:02,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:05:02,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:05:02,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:05:02,958 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:02,958 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:05:02,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:05:02,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:05:02,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:05:02,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:05:02,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:05:02,959 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:05:02,959 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:02,959 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:05:02,959 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_dc1d19a1-1a67-48c7-acbe-679387f08181/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 -> fd8c286813be66b7c1fca89284c935f4a558d30dac1f327867170c0eda6e69f4 [2024-11-13 21:05:03,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:05:03,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:05:03,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:05:03,343 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:05:03,344 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:05:03,345 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_32_bad.i Unable to find full path for "g++" [2024-11-13 21:05:05,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:05:06,100 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:05:06,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_32_bad.i [2024-11-13 21:05:06,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data/47def47eb/2beec5cb55c14a0aacd7abc6ebba6ad9/FLAG1cbeb248f [2024-11-13 21:05:06,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/data/47def47eb/2beec5cb55c14a0aacd7abc6ebba6ad9 [2024-11-13 21:05:06,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:05:06,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:05:06,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:05:06,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:05:06,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:05:06,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:06" (1/1) ... [2024-11-13 21:05:06,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672739c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:06, skipping insertion in model container [2024-11-13 21:05:06,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:05:06" (1/1) ... [2024-11-13 21:05:06,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:05:07,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:05:07,526 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:05:07,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:05:07,856 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:05:07,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07 WrapperNode [2024-11-13 21:05:07,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:05:07,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:05:07,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:05:07,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:05:07,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,939 INFO L138 Inliner]: procedures = 502, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 21:05:07,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:05:07,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:05:07,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:05:07,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:05:07,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,966 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:05:07,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:05:07,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:05:07,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:05:07,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:05:07" (1/1) ... [2024-11-13 21:05:07,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:05:08,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:05:08,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:05:08,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:05:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:05:08,050 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:05:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:05:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:05:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:05:08,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:05:08,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:05:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:05:08,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:05:08,260 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:05:08,262 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:05:08,458 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-11-13 21:05:08,458 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:05:08,579 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:05:08,579 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:05:08,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:08 BoogieIcfgContainer [2024-11-13 21:05:08,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:05:08,582 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:05:08,582 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:05:08,595 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:05:08,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:08" (1/1) ... [2024-11-13 21:05:08,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:05:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:08,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-13 21:05:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-13 21:05:08,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:05:08,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:08,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:08,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:05:08,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:05:08,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:05:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:08,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:05:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:05:09,004 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:05:09,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:05:09,036 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 21:05:09,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:05:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:05:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-13 21:05:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-13 21:05:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:05:09,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:05:09,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:05:09,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:05:09,111 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:05:09,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:05:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:05:09,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:05:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:05:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:05:09,637 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:05:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:05:09,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 21:05:09,721 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:05:09,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:05:09 ImpRootNode [2024-11-13 21:05:09,758 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:05:09,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:05:09,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:05:09,759 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:05:09,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:05:08" (3/4) ... [2024-11-13 21:05:09,763 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:05:09,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:05:09,765 INFO L158 Benchmark]: Toolchain (without parser) took 3582.00ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 66.9MB in the end (delta: 23.1MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-13 21:05:09,769 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:09,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1671.37ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 67.8MB in the end (delta: 22.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 21:05:09,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.72ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:09,770 INFO L158 Benchmark]: Boogie Preprocessor took 34.45ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:09,770 INFO L158 Benchmark]: RCFGBuilder took 604.11ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 44.1MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:05:09,771 INFO L158 Benchmark]: CodeCheck took 1176.59ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 67.6MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:09,771 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.9MB in the end (delta: 699.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:05:09,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 5 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, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 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: 1562]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_rand_preinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] *dataPtr1 = data [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1671.37ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 67.8MB in the end (delta: 22.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.72ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.45ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 604.11ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 44.1MB in the end (delta: 19.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1176.59ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 67.6MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 66.9MB in the end (delta: 699.8kB). 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 21:05:09,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc1d19a1-1a67-48c7-acbe-679387f08181/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