./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 257ca8d47288b3d27be9b35b463de505bc4c81d0cee8c040739da4c9524c6c5c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:46:36,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:46:36,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:46:36,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:46:36,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:46:36,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:46:36,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:46:36,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:46:36,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:46:36,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:46:36,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:46:36,960 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:46:36,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:46:36,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:46:36,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:46:36,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:46:36,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:46:36,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:46:36,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:46:36,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:46:36,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:46:36,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:46:36,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:46:36,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:46:36,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:46:36,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:46:36,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:46:36,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:46:36,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:46:36,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:46:36,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:46:36,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:46:36,989 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:46:36,990 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:46:36,991 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:46:36,992 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:46:36,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:46:36,993 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:46:36,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:46:36,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:46:36,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:46:36,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:46:37,019 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:46:37,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:46:37,021 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:46:37,021 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:46:37,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:46:37,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:46:37,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:46:37,022 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:46:37,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:46:37,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:46:37,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:46:37,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:46:37,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:46:37,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:46:37,024 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:46:37,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:46:37,024 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:46:37,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:46:37,025 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:46:37,025 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:46:37,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:46:37,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:46:37,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:46:37,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:46:37,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:46:37,026 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:46:37,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:46:37,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:46:37,027 INFO L138 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_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 257ca8d47288b3d27be9b35b463de505bc4c81d0cee8c040739da4c9524c6c5c [2021-11-23 00:46:37,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:46:37,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:46:37,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:46:37,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:46:37,371 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:46:37,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem09_label24.c [2021-11-23 00:46:37,460 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/data/97dd7ab7f/31a065fcda744e3aa1bd0b39cbab8815/FLAG797b1efc7 [2021-11-23 00:46:41,553 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:46:41,554 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/sv-benchmarks/c/eca-rers2012/Problem09_label24.c [2021-11-23 00:46:41,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/data/97dd7ab7f/31a065fcda744e3aa1bd0b39cbab8815/FLAG797b1efc7 [2021-11-23 00:46:41,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/data/97dd7ab7f/31a065fcda744e3aa1bd0b39cbab8815 [2021-11-23 00:46:41,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:46:41,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:46:41,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:46:41,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:46:41,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:46:41,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:41" (1/1) ... [2021-11-23 00:46:41,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d2ca28f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:46:41, skipping insertion in model container [2021-11-23 00:46:41,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:46:41" (1/1) ... [2021-11-23 00:46:41,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:46:43,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:47:11,166 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/sv-benchmarks/c/eca-rers2012/Problem09_label24.c[6309060,6309073] [2021-11-23 00:47:11,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:47:11,313 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:47:26,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/sv-benchmarks/c/eca-rers2012/Problem09_label24.c[6309060,6309073] [2021-11-23 00:47:26,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:47:31,832 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:47:31,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31 WrapperNode [2021-11-23 00:47:31,832 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:47:31,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:47:31,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:47:31,834 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:47:31,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:33,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:38,894 INFO L137 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2021-11-23 00:47:38,895 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:47:38,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:47:38,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:47:38,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:47:38,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:38,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:39,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:39,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:43,581 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:44,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:44,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:45,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:47:45,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:47:45,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:47:45,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:47:45,083 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:47:31" (1/1) ... [2021-11-23 00:47:45,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:47:45,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:47:45,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:47:45,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4444c7cd-534f-4583-b1d1-2c0e20dd1dd6/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:47:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:47:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:47:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:47:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:47:45,355 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:47:45,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:48:58,238 INFO L277 CfgBuilder]: Performing block encoding