./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH --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 d07ecd8cf1e9c1a6a73752138e21563ccb27be5792663bf8b999e012212a29a1 --- 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-e04fb08 [2022-11-16 08:24:17,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:24:17,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:24:17,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:24:17,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:24:17,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:24:17,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:24:17,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:24:17,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:24:17,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:24:17,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:24:17,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:24:17,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:24:17,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:24:17,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:24:17,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:24:17,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:24:17,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:24:17,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:24:17,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:24:17,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:24:17,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:24:17,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:24:17,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:24:17,086 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:24:17,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:24:17,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:24:17,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:24:17,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:24:17,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:24:17,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:24:17,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:24:17,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:24:17,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:24:17,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:24:17,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:24:17,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:24:17,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:24:17,101 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:24:17,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:24:17,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:24:17,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-11-16 08:24:17,146 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:24:17,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:24:17,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 08:24:17,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 08:24:17,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:24:17,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:24:17,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:24:17,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:24:17,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:24:17,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 08:24:17,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:24:17,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 08:24:17,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 08:24:17,152 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:24:17,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 08:24:17,152 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:24:17,153 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:24:17,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:24:17,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:24:17,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:24:17,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:24:17,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 08:24:17,173 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:24:17,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:24:17,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 08:24:17,174 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_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d07ecd8cf1e9c1a6a73752138e21563ccb27be5792663bf8b999e012212a29a1 [2022-11-16 08:24:17,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:24:17,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:24:17,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:24:17,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:24:17,472 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:24:17,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c [2022-11-16 08:24:17,549 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/data/bb2a865a7/0344152b7c5a46bb8a58dec3c0b42489/FLAG23244297e [2022-11-16 08:24:18,673 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:24:18,674 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c [2022-11-16 08:24:18,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/data/bb2a865a7/0344152b7c5a46bb8a58dec3c0b42489/FLAG23244297e [2022-11-16 08:24:18,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/data/bb2a865a7/0344152b7c5a46bb8a58dec3c0b42489 [2022-11-16 08:24:18,982 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:24:18,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:24:18,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:24:18,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:24:18,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:24:18,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:24:18" (1/1) ... [2022-11-16 08:24:18,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2659d339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:18, skipping insertion in model container [2022-11-16 08:24:18,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:24:18" (1/1) ... [2022-11-16 08:24:18,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:24:19,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:24:19,686 WARN L229 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_5c6d7825-fec1-4279-82d9-616e0919a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c[1014,1027] [2022-11-16 08:24:21,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:24:21,186 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:24:21,198 WARN L229 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_5c6d7825-fec1-4279-82d9-616e0919a606/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.pgm_protocol.1.prop6-back-serstep.c[1014,1027] [2022-11-16 08:24:22,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:24:22,171 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:24:22,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22 WrapperNode [2022-11-16 08:24:22,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:24:22,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:24:22,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:24:22,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:24:22,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:22,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:23,612 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26617 [2022-11-16 08:24:23,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:24:23,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:24:23,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:24:23,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:24:23,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:23,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:23,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:23,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:24,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:24,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:24,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:24,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:24,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:24:24,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:24:24,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:24:24,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:24:24,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:24:22" (1/1) ... [2022-11-16 08:24:24,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:24:24,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:24:24,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:24:24,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c6d7825-fec1-4279-82d9-616e0919a606/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:24:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:24:24,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:24:27,036 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:24:27,038 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:25:18,070 INFO L276 CfgBuilder]: Performing block encoding