./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg --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 64bit --witnessprinter.graph.data.programhash 5083f5736a2e0132ed21d43c925f73fa8d4a9c08660e28d933cd87885a510eac --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:45:19,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:45:19,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:45:19,193 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:45:19,194 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:45:19,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:45:19,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:45:19,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:45:19,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:45:19,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:45:19,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:45:19,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:45:19,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:45:19,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:45:19,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:45:19,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:45:19,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:45:19,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:45:19,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:45:19,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:45:19,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:45:19,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:45:19,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:45:19,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:45:19,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:45:19,253 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:45:19,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:45:19,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:45:19,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:45:19,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:45:19,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:45:19,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:45:19,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:45:19,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:45:19,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:45:19,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:45:19,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:45:19,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:45:19,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:45:19,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:45:19,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:45:19,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-21 23:45:19,305 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:45:19,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:45:19,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:45:19,307 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:45:19,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:45:19,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:45:19,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:45:19,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:45:19,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:45:19,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:45:19,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:45:19,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:45:19,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:45:19,311 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:45:19,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:45:19,311 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:45:19,312 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:45:19,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:45:19,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:45:19,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:45:19,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:45:19,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:45:19,313 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:45:19,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:45:19,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:45:19,314 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_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5083f5736a2e0132ed21d43c925f73fa8d4a9c08660e28d933cd87885a510eac [2022-11-21 23:45:19,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:45:19,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:45:19,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:45:19,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:45:19,687 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:45:19,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c [2022-11-21 23:45:22,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:45:23,198 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:45:23,199 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c [2022-11-21 23:45:23,221 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/data/92236c954/fc20268a058d4ebd96228053e9c70a0e/FLAG065edbb18 [2022-11-21 23:45:23,239 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/data/92236c954/fc20268a058d4ebd96228053e9c70a0e [2022-11-21 23:45:23,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:45:23,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:45:23,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:45:23,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:45:23,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:45:23,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:45:23" (1/1) ... [2022-11-21 23:45:23,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c86206f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:23, skipping insertion in model container [2022-11-21 23:45:23,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:45:23" (1/1) ... [2022-11-21 23:45:23,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:45:23,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:45:23,595 WARN L237 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_3077ffa0-c77f-4310-998c-407c213e6a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c[1014,1027] [2022-11-21 23:45:24,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:45:24,108 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:45:24,119 WARN L237 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_3077ffa0-c77f-4310-998c-407c213e6a5a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.5.prop1-func-interl.c[1014,1027] [2022-11-21 23:45:24,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:45:24,410 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:45:24,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24 WrapperNode [2022-11-21 23:45:24,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:45:24,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:45:24,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:45:24,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:45:24,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,773 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3964 [2022-11-21 23:45:24,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:45:24,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:45:24,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:45:24,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:45:24,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,954 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:24,968 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:25,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:45:25,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:45:25,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:45:25,007 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:45:25,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:45:24" (1/1) ... [2022-11-21 23:45:25,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:45:25,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:45:25,037 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:45:25,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3077ffa0-c77f-4310-998c-407c213e6a5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:45:25,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:45:25,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:45:25,990 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:45:25,992 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation