./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/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_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/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_33b09518-1342-442c-994c-79984a6bd5ee/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 add6ccc33ab2ef041eacc18e63a81be78a3fdbee541899a7ba386fe8051da336 --- 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 17:35:06,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:35:06,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:35:06,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:35:06,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:35:06,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:35:06,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:35:06,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:35:06,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:35:06,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:35:06,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:35:06,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:35:06,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:35:06,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:35:06,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:35:06,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:35:06,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:35:06,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:35:06,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:35:06,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:35:06,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:35:06,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:35:06,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:35:06,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:35:06,392 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:35:06,392 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:35:06,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:35:06,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:35:06,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:35:06,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:35:06,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:35:06,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:35:06,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:35:06,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:35:06,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:35:06,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:35:06,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:35:06,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:35:06,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:35:06,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:35:06,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:35:06,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 17:35:06,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:35:06,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:35:06,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:35:06,430 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:35:06,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:35:06,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:35:06,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:35:06,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:35:06,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:35:06,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:35:06,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:35:06,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:35:06,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:35:06,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:35:06,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:35:06,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:35:06,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:35:06,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:35:06,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:06,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:35:06,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:35:06,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:35:06,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:35:06,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:35:06,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:35:06,435 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_33b09518-1342-442c-994c-79984a6bd5ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> add6ccc33ab2ef041eacc18e63a81be78a3fdbee541899a7ba386fe8051da336 [2022-11-20 17:35:06,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:35:06,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:35:06,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:35:06,781 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:35:06,783 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:35:06,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-back-serstep.c [2022-11-20 17:35:09,933 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:35:10,837 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:35:10,838 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-back-serstep.c [2022-11-20 17:35:10,992 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/data/6da97b868/f43824742ac442408586c07ff57bdcca/FLAGef4bb4c92 [2022-11-20 17:35:11,008 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/data/6da97b868/f43824742ac442408586c07ff57bdcca [2022-11-20 17:35:11,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:35:11,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:35:11,017 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:11,017 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:35:11,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:35:11,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:11,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@436c66b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:11, skipping insertion in model container [2022-11-20 17:35:11,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:35:11" (1/1) ... [2022-11-20 17:35:11,029 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:35:11,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:35:11,813 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_33b09518-1342-442c-994c-79984a6bd5ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-back-serstep.c[1014,1027] [2022-11-20 17:35:14,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:14,265 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:35:14,276 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_33b09518-1342-442c-994c-79984a6bd5ee/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.leader_election.6.prop1-back-serstep.c[1014,1027] [2022-11-20 17:35:16,224 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:35:16,236 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:35:16,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16 WrapperNode [2022-11-20 17:35:16,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:35:16,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:16,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:35:16,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:35:16,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:16,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:18,150 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29413 [2022-11-20 17:35:18,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:35:18,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:35:18,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:35:18,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:35:18,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:18,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:18,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:18,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:19,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:19,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:19,443 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:19,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:19,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:35:19,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:35:19,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:35:19,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:35:19,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:35:16" (1/1) ... [2022-11-20 17:35:19,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:35:19,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:35:19,981 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:35:19,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_33b09518-1342-442c-994c-79984a6bd5ee/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:35:20,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:35:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:35:23,613 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:35:23,615 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation