./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label20.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_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/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_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/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_fb4cd222-817b-4100-b0f6-fd6db6393a9f/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 702e32bde69e0b1ece4e7732f8bcc90ed2c9bf4432a02312b63f0298ad23fbb9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:36:10,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:36:10,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:36:10,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:36:10,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:36:10,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:36:10,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:36:10,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:36:10,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:36:10,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:36:10,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:36:10,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:36:10,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:36:10,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:36:10,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:36:10,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:36:10,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:36:10,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:36:10,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:36:10,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:36:10,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:36:10,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:36:10,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:36:10,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:36:10,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:36:10,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:36:10,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:36:10,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:36:10,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:36:10,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:36:10,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:36:10,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:36:10,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:36:10,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:36:10,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:36:10,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:36:10,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:36:10,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:36:10,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:36:10,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:36:10,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:36:10,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:36:10,371 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:36:10,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:36:10,373 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:36:10,373 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:36:10,374 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:36:10,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:36:10,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:36:10,374 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:36:10,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:36:10,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:36:10,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:36:10,376 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:36:10,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:36:10,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:36:10,377 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:36:10,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:36:10,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:36:10,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:36:10,378 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:36:10,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:36:10,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:36:10,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:10,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:36:10,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:36:10,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:36:10,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:36:10,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:36:10,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:36:10,380 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_fb4cd222-817b-4100-b0f6-fd6db6393a9f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 702e32bde69e0b1ece4e7732f8bcc90ed2c9bf4432a02312b63f0298ad23fbb9 [2021-11-23 00:36:10,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:36:10,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:36:10,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:36:10,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:36:10,728 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:36:10,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2021-11-23 00:36:10,801 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/data/e8024c068/fc19cc158da54934974bcb5b085aa02a/FLAGf453e34e6 [2021-11-23 00:36:11,681 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:36:11,685 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/sv-benchmarks/c/eca-rers2012/Problem12_label20.c [2021-11-23 00:36:11,727 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/data/e8024c068/fc19cc158da54934974bcb5b085aa02a/FLAGf453e34e6 [2021-11-23 00:36:12,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/data/e8024c068/fc19cc158da54934974bcb5b085aa02a [2021-11-23 00:36:12,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:36:12,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:36:12,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:12,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:36:12,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:36:12,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:12" (1/1) ... [2021-11-23 00:36:12,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8e503b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:12, skipping insertion in model container [2021-11-23 00:36:12,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:36:12" (1/1) ... [2021-11-23 00:36:12,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:36:12,377 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:36:12,687 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_fb4cd222-817b-4100-b0f6-fd6db6393a9f/sv-benchmarks/c/eca-rers2012/Problem12_label20.c[1898,1911] [2021-11-23 00:36:13,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:13,684 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:36:13,718 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_fb4cd222-817b-4100-b0f6-fd6db6393a9f/sv-benchmarks/c/eca-rers2012/Problem12_label20.c[1898,1911] [2021-11-23 00:36:14,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:36:14,326 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:36:14,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14 WrapperNode [2021-11-23 00:36:14,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:36:14,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:14,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:36:14,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:36:14,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:14,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:14,815 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4757 [2021-11-23 00:36:14,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:36:14,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:36:14,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:36:14,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:36:14,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:14,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:14,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:14,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:15,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:15,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:15,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:15,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:36:15,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:36:15,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:36:15,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:36:15,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:36:14" (1/1) ... [2021-11-23 00:36:15,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:36:15,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:36:15,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:36:15,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb4cd222-817b-4100-b0f6-fd6db6393a9f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:36:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:36:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:36:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:36:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:36:15,427 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:36:15,428 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:36:19,924 INFO L277 CfgBuilder]: Performing block encoding