./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ --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 a707c6bf85ec90abfa86e828f112c574c978a3d11de77e306f4846112df2c63a --- 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-6b4ec56 [2022-11-20 18:23:55,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:23:55,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:23:55,072 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:23:55,072 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:23:55,074 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:23:55,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:23:55,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:23:55,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:23:55,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:23:55,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:23:55,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:23:55,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:23:55,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:23:55,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:23:55,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:23:55,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:23:55,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:23:55,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:23:55,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:23:55,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:23:55,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:23:55,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:23:55,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:23:55,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:23:55,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:23:55,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:23:55,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:23:55,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:23:55,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:23:55,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:23:55,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:23:55,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:23:55,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:23:55,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:23:55,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:23:55,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:23:55,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:23:55,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:23:55,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:23:55,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:23:55,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 18:23:55,182 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:23:55,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:23:55,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:23:55,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:23:55,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:23:55,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:23:55,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:23:55,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:23:55,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:23:55,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:23:55,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:23:55,191 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:23:55,191 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:23:55,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:23:55,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:23:55,192 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:23:55,192 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:23:55,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:23:55,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:23:55,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:23:55,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:23:55,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:23:55,194 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:23:55,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:23:55,195 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:23:55,195 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_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a707c6bf85ec90abfa86e828f112c574c978a3d11de77e306f4846112df2c63a [2022-11-20 18:23:55,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:23:55,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:23:55,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:23:55,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:23:55,525 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:23:55,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c [2022-11-20 18:23:58,595 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:23:59,258 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:23:59,259 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c [2022-11-20 18:23:59,303 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/data/a64eec134/800a51aabf1141a5a038556547af054c/FLAG0878a115f [2022-11-20 18:23:59,321 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/data/a64eec134/800a51aabf1141a5a038556547af054c [2022-11-20 18:23:59,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:23:59,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:23:59,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:23:59,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:23:59,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:23:59,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:23:59" (1/1) ... [2022-11-20 18:23:59,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361c2e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:23:59, skipping insertion in model container [2022-11-20 18:23:59,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:23:59" (1/1) ... [2022-11-20 18:23:59,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:23:59,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:23:59,894 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_47458e18-90e5-41b5-b8d6-dbdfc7894a37/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c[1107,1120] [2022-11-20 18:24:01,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:01,089 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:24:01,101 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_47458e18-90e5-41b5-b8d6-dbdfc7894a37/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal28.c[1107,1120] [2022-11-20 18:24:01,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:24:01,710 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:24:01,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01 WrapperNode [2022-11-20 18:24:01,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:24:01,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:01,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:24:01,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:24:01,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:01,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:02,718 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10788 [2022-11-20 18:24:02,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:24:02,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:24:02,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:24:02,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:24:02,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:02,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:02,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:02,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:03,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:03,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:03,206 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:03,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:03,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:24:03,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:24:03,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:24:03,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:24:03,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:01" (1/1) ... [2022-11-20 18:24:03,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:24:03,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:24:03,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:24:03,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47458e18-90e5-41b5-b8d6-dbdfc7894a37/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:24:03,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:24:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:24:05,027 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:24:05,030 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation