./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label38.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_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/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_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/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_8d84cf29-8f0b-4058-9402-e2146fff7eb2/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 d114707eafd90532a2ab975dd62c946ad09d2721deb13cc7462714c1bc31836f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:32:30,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:32:30,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:32:30,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:32:30,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:32:30,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:32:30,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:32:30,853 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:32:30,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:32:30,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:32:30,858 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:32:30,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:32:30,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:32:30,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:32:30,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:32:30,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:32:30,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:32:30,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:32:30,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:32:30,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:32:30,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:32:30,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:32:30,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:32:30,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:32:30,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:32:30,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:32:30,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:32:30,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:32:30,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:32:30,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:32:30,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:32:30,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:32:30,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:32:30,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:32:30,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:32:30,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:32:30,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:32:30,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:32:30,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:32:30,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:32:30,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:32:30,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:32:30,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:32:30,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:32:30,965 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:32:30,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:32:30,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:32:30,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:32:30,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:32:30,967 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:32:30,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:32:30,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:32:30,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:32:30,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:32:30,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:32:30,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:32:30,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:32:30,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:32:30,971 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:32:30,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:32:30,971 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:32:30,971 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:32:30,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:32:30,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:32:30,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:32:30,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:32:30,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:32:30,973 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:32:30,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:32:30,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:32:30,974 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_8d84cf29-8f0b-4058-9402-e2146fff7eb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d114707eafd90532a2ab975dd62c946ad09d2721deb13cc7462714c1bc31836f [2021-11-23 01:32:31,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:32:31,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:32:31,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:32:31,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:32:31,278 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:32:31,280 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem08_label38.c [2021-11-23 01:32:31,377 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/data/3f7326984/3f21a2be540c4a0188b990e032a7c0ee/FLAG68ef0114d [2021-11-23 01:32:35,077 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:32:35,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/sv-benchmarks/c/eca-rers2012/Problem08_label38.c [2021-11-23 01:32:35,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/data/3f7326984/3f21a2be540c4a0188b990e032a7c0ee/FLAG68ef0114d [2021-11-23 01:32:35,826 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/data/3f7326984/3f21a2be540c4a0188b990e032a7c0ee [2021-11-23 01:32:35,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:32:35,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:32:35,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:32:35,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:32:35,836 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:32:35,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:35" (1/1) ... [2021-11-23 01:32:35,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10adcc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:32:35, skipping insertion in model container [2021-11-23 01:32:35,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:32:35" (1/1) ... [2021-11-23 01:32:35,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:32:37,412 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:33:03,327 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_8d84cf29-8f0b-4058-9402-e2146fff7eb2/sv-benchmarks/c/eca-rers2012/Problem08_label38.c[5714223,5714236] [2021-11-23 01:33:03,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:03,466 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:33:17,260 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_8d84cf29-8f0b-4058-9402-e2146fff7eb2/sv-benchmarks/c/eca-rers2012/Problem08_label38.c[5714223,5714236] [2021-11-23 01:33:17,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:33:22,334 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:33:22,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22 WrapperNode [2021-11-23 01:33:22,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:33:22,337 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:22,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:33:22,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:33:22,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:23,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:29,529 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-23 01:33:29,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:33:29,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:33:29,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:33:29,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:33:29,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:29,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:30,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:30,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:33,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:34,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:34,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:35,376 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:33:35,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:33:35,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:33:35,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:33:35,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:22" (1/1) ... [2021-11-23 01:33:35,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:33:35,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:33:35,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:33:35,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d84cf29-8f0b-4058-9402-e2146fff7eb2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:33:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:33:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:33:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:33:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:33:35,686 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:33:35,688 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:34:41,800 INFO L277 CfgBuilder]: Performing block encoding