./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label16.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_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/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_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label16.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/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_d73b92cf-3c3a-4709-a674-5e97850b788f/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 8543d147a9097219a93a0487b57f8275522a47f3a3d62bcafc3122f068614c9b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:51:25,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:51:25,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:51:25,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:51:25,176 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:51:25,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:51:25,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:51:25,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:51:25,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:51:25,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:51:25,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:51:25,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:51:25,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:51:25,206 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:51:25,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:51:25,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:51:25,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:51:25,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:51:25,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:51:25,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:51:25,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:51:25,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:51:25,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:51:25,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:51:25,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:51:25,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:51:25,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:51:25,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:51:25,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:51:25,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:51:25,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:51:25,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:51:25,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:51:25,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:51:25,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:51:25,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:51:25,267 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:51:25,267 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:51:25,268 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:51:25,269 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:51:25,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:51:25,271 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:51:25,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:51:25,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:51:25,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:51:25,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:51:25,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:51:25,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:51:25,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:51:25,335 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:51:25,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:51:25,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:51:25,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:51:25,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:51:25,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:51:25,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:51:25,338 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:51:25,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:51:25,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:51:25,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:51:25,339 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:51:25,339 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:51:25,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:51:25,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:51:25,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:51:25,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:51:25,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:51:25,341 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:51:25,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:51:25,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:51:25,342 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_d73b92cf-3c3a-4709-a674-5e97850b788f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8543d147a9097219a93a0487b57f8275522a47f3a3d62bcafc3122f068614c9b [2021-11-23 00:51:25,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:51:25,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:51:25,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:51:25,715 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:51:25,716 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:51:25,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem09_label16.c [2021-11-23 00:51:25,799 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/data/fc1bc0e7c/6081d7af06fe4c2a993a0a627d4ebb8a/FLAG569e75bbe [2021-11-23 00:51:29,800 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:51:29,803 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/sv-benchmarks/c/eca-rers2012/Problem09_label16.c [2021-11-23 00:51:30,170 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/data/fc1bc0e7c/6081d7af06fe4c2a993a0a627d4ebb8a/FLAG569e75bbe [2021-11-23 00:51:30,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/data/fc1bc0e7c/6081d7af06fe4c2a993a0a627d4ebb8a [2021-11-23 00:51:30,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:51:30,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:51:30,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:51:30,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:51:30,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:51:30,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:30" (1/1) ... [2021-11-23 00:51:30,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5e19ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:51:30, skipping insertion in model container [2021-11-23 00:51:30,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:51:30" (1/1) ... [2021-11-23 00:51:30,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:51:32,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:52:02,150 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_d73b92cf-3c3a-4709-a674-5e97850b788f/sv-benchmarks/c/eca-rers2012/Problem09_label16.c[6306762,6306775] [2021-11-23 00:52:02,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:02,308 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:52:18,486 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_d73b92cf-3c3a-4709-a674-5e97850b788f/sv-benchmarks/c/eca-rers2012/Problem09_label16.c[6306762,6306775] [2021-11-23 00:52:18,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:52:24,031 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:52:24,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24 WrapperNode [2021-11-23 00:52:24,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:52:24,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:24,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:52:24,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:52:24,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:25,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:31,790 INFO L137 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197818 [2021-11-23 00:52:31,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:52:31,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:52:31,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:52:31,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:52:31,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:31,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:32,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:32,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:35,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:36,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:36,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:37,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:52:37,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:52:37,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:52:37,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:52:37,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:52:24" (1/1) ... [2021-11-23 00:52:37,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:52:37,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:52:37,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:52:37,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73b92cf-3c3a-4709-a674-5e97850b788f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:52:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:52:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:52:37,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:52:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:52:37,907 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:52:37,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:53:56,207 INFO L277 CfgBuilder]: Performing block encoding