./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.5.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_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/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_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.5.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/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_80a55db1-6c35-4ba9-886d-8d577b8adce1/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 99a2c53049bb721767cbd3d64cc016e49a0d2da49dca0f54db832f9f2360eb84 --- 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 17:11:34,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:11:34,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:11:34,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:11:34,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:11:34,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:11:34,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:11:34,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:11:34,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:11:34,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:11:34,256 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:11:34,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:11:34,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:11:34,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:11:34,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:11:34,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:11:34,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:11:34,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:11:34,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:11:34,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:11:34,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:11:34,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:11:34,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:11:34,284 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:11:34,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:11:34,295 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:11:34,295 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:11:34,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:11:34,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:11:34,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:11:34,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:11:34,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:11:34,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:11:34,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:11:34,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:11:34,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:11:34,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:11:34,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:11:34,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:11:34,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:11:34,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:11:34,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-20 17:11:34,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:11:34,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:11:34,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:11:34,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:11:34,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:11:34,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:11:34,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:11:34,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:11:34,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:11:34,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:11:34,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:11:34,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:11:34,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:11:34,366 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:11:34,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:11:34,367 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:11:34,367 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:11:34,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:11:34,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:34,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:11:34,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:11:34,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:11:34,369 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:11:34,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:11:34,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:11:34,369 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_80a55db1-6c35-4ba9-886d-8d577b8adce1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 99a2c53049bb721767cbd3d64cc016e49a0d2da49dca0f54db832f9f2360eb84 [2022-11-20 17:11:34,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:11:34,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:11:34,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:11:34,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:11:34,702 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:11:34,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.5.prop1-back-serstep.c [2022-11-20 17:11:37,769 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:11:38,310 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:11:38,311 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.5.prop1-back-serstep.c [2022-11-20 17:11:38,359 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/data/ba025a57b/528cf04e1b074893825e2f7b7fa68e14/FLAG93064c6f1 [2022-11-20 17:11:38,381 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/data/ba025a57b/528cf04e1b074893825e2f7b7fa68e14 [2022-11-20 17:11:38,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:11:38,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:11:38,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:38,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:11:38,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:11:38,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:38" (1/1) ... [2022-11-20 17:11:38,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10e5e70a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:38, skipping insertion in model container [2022-11-20 17:11:38,395 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:11:38" (1/1) ... [2022-11-20 17:11:38,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:11:38,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:11:38,838 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_80a55db1-6c35-4ba9-886d-8d577b8adce1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.5.prop1-back-serstep.c[1014,1027] [2022-11-20 17:11:39,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:39,739 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:11:39,750 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_80a55db1-6c35-4ba9-886d-8d577b8adce1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.5.prop1-back-serstep.c[1014,1027] [2022-11-20 17:11:40,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:11:40,182 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:11:40,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40 WrapperNode [2022-11-20 17:11:40,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:11:40,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:40,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:11:40,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:11:40,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:40,290 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:40,704 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7810 [2022-11-20 17:11:40,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:11:40,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:11:40,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:11:40,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:11:40,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:40,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:40,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:40,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:41,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:41,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:41,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:41,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:41,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:11:41,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:11:41,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:11:41,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:11:41,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:11:40" (1/1) ... [2022-11-20 17:11:41,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:11:41,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:11:41,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:11:41,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80a55db1-6c35-4ba9-886d-8d577b8adce1/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:11:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:11:41,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:11:42,672 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:11:42,674 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation