./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk --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 f77557f96cb8b29c4f629f22878a1bcdd8dcd3ce59cda421f25ae818683b6ae9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:47,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:47,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:00:47,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:00:47,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:00:47,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:47,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:47,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:47,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:47,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:47,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:47,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:47,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:00:47,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:47,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:47,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:47,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:47,344 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:47,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:47,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:47,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:47,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:47,346 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:47,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:47,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:47,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:47,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:47,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:47,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:47,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:47,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:00:47,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:00:47,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77557f96cb8b29c4f629f22878a1bcdd8dcd3ce59cda421f25ae818683b6ae9 [2024-11-09 00:00:47,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:47,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:47,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:47,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:47,679 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:47,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_10_bad.i Unable to find full path for "g++" [2024-11-09 00:00:49,679 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:50,040 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:50,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_10_bad.i [2024-11-09 00:00:50,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data/1853e6380/170d32c773a3427dbd8002150892670f/FLAG74bcc9748 [2024-11-09 00:00:50,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data/1853e6380/170d32c773a3427dbd8002150892670f [2024-11-09 00:00:50,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:50,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:50,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:50,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:50,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:50,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:50" (1/1) ... [2024-11-09 00:00:50,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4372b92f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:50, skipping insertion in model container [2024-11-09 00:00:50,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:50" (1/1) ... [2024-11-09 00:00:50,175 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:51,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:51,148 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:51,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:51,374 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:51,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51 WrapperNode [2024-11-09 00:00:51,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:51,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:51,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:51,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:51,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,433 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-09 00:00:51,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:51,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:51,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:51,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:51,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,448 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:51,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:51,460 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:51,460 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:51,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:51,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:51,502 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:51,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:51,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:00:51,718 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:00:51,719 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:00:51,832 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-09 00:00:51,832 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:00:51,889 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:00:51,889 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:00:51,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:51 BoogieIcfgContainer [2024-11-09 00:00:51,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:00:51,891 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:00:51,891 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:00:51,906 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:00:51,907 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:51" (1/1) ... [2024-11-09 00:00:51,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:00:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:00:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:00:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:00:51,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:51,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-09 00:00:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-09 00:00:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:00:52,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:52,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:52,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:52,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:00:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:00:52,582 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:00:52,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:00:52 ImpRootNode [2024-11-09 00:00:52,620 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:00:52,623 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:00:52,624 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:00:52,625 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:00:52,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:00:51" (3/4) ... [2024-11-09 00:00:52,629 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:00:52,630 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:00:52,631 INFO L158 Benchmark]: Toolchain (without parser) took 2534.68ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 119.9MB in the beginning and 159.4MB in the end (delta: -39.5MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-09 00:00:52,632 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:52,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1277.29ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 99.8MB in the end (delta: 20.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-11-09 00:00:52,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.69ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 96.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:00:52,634 INFO L158 Benchmark]: Boogie Preprocessor took 25.00ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 990.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:52,635 INFO L158 Benchmark]: RCFGBuilder took 430.55ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 82.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:00:52,636 INFO L158 Benchmark]: CodeCheck took 729.41ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 81.0MB in the beginning and 159.4MB in the end (delta: -78.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:52,638 INFO L158 Benchmark]: Witness Printer took 7.64ms. Allocated memory is still 203.4MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:00:52,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 4 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_max_preinc_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] ++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 0.32ms. Allocated memory is still 125.8MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1277.29ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 99.8MB in the end (delta: 20.1MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.69ms. Allocated memory is still 161.5MB. Free memory was 99.8MB in the beginning and 96.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.00ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 95.7MB in the end (delta: 990.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 430.55ms. Allocated memory is still 161.5MB. Free memory was 95.7MB in the beginning and 82.0MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 729.41ms. Allocated memory was 161.5MB in the beginning and 203.4MB in the end (delta: 41.9MB). Free memory was 81.0MB in the beginning and 159.4MB in the end (delta: -78.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.64ms. Allocated memory is still 203.4MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:00:52,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk --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 f77557f96cb8b29c4f629f22878a1bcdd8dcd3ce59cda421f25ae818683b6ae9 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:00:55,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:00:55,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:00:55,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:00:55,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:00:55,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:00:55,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:00:55,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:00:55,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:00:55,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:00:55,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:00:55,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:00:55,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:00:55,248 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:00:55,251 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:00:55,251 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:00:55,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:00:55,252 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:00:55,252 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:00:55,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:00:55,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:00:55,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:00:55,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:00:55,257 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:00:55,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:00:55,258 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:55,258 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:00:55,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:00:55,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:55,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:00:55,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:00:55,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:00:55,260 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:00:55,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:00:55,263 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:00:55,263 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77557f96cb8b29c4f629f22878a1bcdd8dcd3ce59cda421f25ae818683b6ae9 [2024-11-09 00:00:55,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:00:55,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:00:55,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:00:55,694 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:00:55,695 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:00:55,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_10_bad.i Unable to find full path for "g++" [2024-11-09 00:00:57,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:00:58,179 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:00:58,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_10_bad.i [2024-11-09 00:00:58,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data/5de44787e/89f0cb9887094e3ea78161c87ea7baa9/FLAGe88a5bdb7 [2024-11-09 00:00:58,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/data/5de44787e/89f0cb9887094e3ea78161c87ea7baa9 [2024-11-09 00:00:58,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:00:58,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:00:58,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:58,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:00:58,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:00:58,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619808cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:58, skipping insertion in model container [2024-11-09 00:00:58,245 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:00:58" (1/1) ... [2024-11-09 00:00:58,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:00:59,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:59,344 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:00:59,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:00:59,706 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:00:59,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59 WrapperNode [2024-11-09 00:00:59,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:00:59,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:59,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:00:59,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:00:59,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,759 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,795 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-09 00:00:59,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:00:59,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:00:59,796 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:00:59,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:00:59,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:00:59,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:00:59,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:00:59,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:00:59,862 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:00:59" (1/1) ... [2024-11-09 00:00:59,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:00:59,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:00:59,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:00:59,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:00:59,926 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:00:59,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:00:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:00:59,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:00:59,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:01:00,073 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:01:00,076 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:01:00,235 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-09 00:01:00,235 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:01:00,315 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:01:00,316 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:01:00,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:00 BoogieIcfgContainer [2024-11-09 00:01:00,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:01:00,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:01:00,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:01:00,329 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:01:00,329 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:00" (1/1) ... [2024-11-09 00:01:00,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:01:00,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-11-09 00:01:00,410 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-11-09 00:01:00,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:01:00,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:00,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:00,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:00,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:01:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:00,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:01:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:00,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:01:00,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:01:00,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:01:00,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:01:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-09 00:01:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-09 00:01:00,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:01:00,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:00,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:01:00,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:01:00,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:01:00,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:01:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:00,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:00,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:00,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:01:00,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:01:00,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:01:00,985 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:01:01,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:01 ImpRootNode [2024-11-09 00:01:01,017 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:01,018 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:01,018 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:01,018 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:01,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:01:00" (3/4) ... [2024-11-09 00:01:01,021 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:01:01,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:01,025 INFO L158 Benchmark]: Toolchain (without parser) took 2787.52ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 45.9MB in the beginning and 69.2MB in the end (delta: -23.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-11-09 00:01:01,025 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 93.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:01,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1470.11ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 45.9MB in the beginning and 50.0MB in the end (delta: -4.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-11-09 00:01:01,027 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.38ms. Allocated memory is still 104.9MB. Free memory was 50.0MB in the beginning and 47.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:01,028 INFO L158 Benchmark]: Boogie Preprocessor took 62.87ms. Allocated memory is still 104.9MB. Free memory was 47.0MB in the beginning and 76.1MB in the end (delta: -29.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-11-09 00:01:01,029 INFO L158 Benchmark]: RCFGBuilder took 458.17ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 59.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:01:01,030 INFO L158 Benchmark]: CodeCheck took 699.25ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 69.9MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:01,030 INFO L158 Benchmark]: Witness Printer took 4.73ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 69.2MB in the end (delta: 675.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:01:01,036 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: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 7 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 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: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_max_preinc_10_bad() [L1550] int data; [L1551] data = 0 [L1552] COND TRUE \read(globalTrue) [L1554] data = 0x7fffffff VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE \read(globalTrue) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] ++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 0.32ms. Allocated memory is still 73.4MB. Free memory was 49.0MB in the beginning and 48.9MB in the end (delta: 93.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1470.11ms. Allocated memory was 73.4MB in the beginning and 104.9MB in the end (delta: 31.5MB). Free memory was 45.9MB in the beginning and 50.0MB in the end (delta: -4.1MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.38ms. Allocated memory is still 104.9MB. Free memory was 50.0MB in the beginning and 47.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.87ms. Allocated memory is still 104.9MB. Free memory was 47.0MB in the beginning and 76.1MB in the end (delta: -29.1MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * RCFGBuilder took 458.17ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 59.9MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 699.25ms. Allocated memory is still 104.9MB. Free memory was 59.9MB in the beginning and 69.9MB in the end (delta: -10.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.73ms. Allocated memory is still 104.9MB. Free memory was 69.9MB in the beginning and 69.2MB in the end (delta: 675.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:01:01,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b209104f-714f-4fbc-a013-10b4ca0155ee/bin/ukojak-verify-ImItNfHLgk/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