./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:30:18,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:30:18,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-02 12:30:18,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:30:18,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:30:18,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:30:18,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:30:18,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:30:18,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:30:18,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:30:18,221 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:30:18,222 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:30:18,222 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:30:18,223 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-02 12:30:18,223 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:30:18,224 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:30:18,224 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-02 12:30:18,224 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-02 12:30:18,225 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:30:18,225 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-02 12:30:18,226 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-02 12:30:18,230 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-02 12:30:18,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:30:18,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:30:18,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-02 12:30:18,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:30:18,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:30:18,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:30:18,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:30:18,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:30:18,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:30:18,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:30:18,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:30:18,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:30:18,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:30:18,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:18,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:30:18,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:30:18,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:30:18,240 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-02 12:30:18,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-02 12:30:18,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:30:18,243 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:30:18,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:30:18,244 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 [2024-11-02 12:30:18,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:30:18,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:30:18,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:30:18,597 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:30:18,597 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:30:18,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c Unable to find full path for "g++" [2024-11-02 12:30:20,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:30:21,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:30:21,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-11-02 12:30:21,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data/46cbde83b/42eabd08c4dc4ea292f0a6442f9f17e0/FLAG685ee5ad8 [2024-11-02 12:30:21,321 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data/46cbde83b/42eabd08c4dc4ea292f0a6442f9f17e0 [2024-11-02 12:30:21,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:30:21,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:30:21,327 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:21,327 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:30:21,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:30:21,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:21" (1/1) ... [2024-11-02 12:30:21,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3ecb58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:21, skipping insertion in model container [2024-11-02 12:30:21,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:21" (1/1) ... [2024-11-02 12:30:21,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:30:21,679 WARN L251 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_ccf94177-64cf-459c-b100-28a2273099c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-11-02 12:30:22,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:22,216 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:30:22,229 WARN L251 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_ccf94177-64cf-459c-b100-28a2273099c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-11-02 12:30:22,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:22,507 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:30:22,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22 WrapperNode [2024-11-02 12:30:22,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:22,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:22,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:30:22,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:30:22,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:22,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,246 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4783 [2024-11-02 12:30:23,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:23,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:30:23,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:30:23,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:30:23,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,394 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:30:23,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:30:23,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:30:23,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:30:23,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (1/1) ... [2024-11-02 12:30:23,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:23,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:30:23,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:30:23,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:30:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:30:24,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-02 12:30:24,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:30:24,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:30:24,541 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:30:24,545 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-02 12:30:30,638 INFO L? ?]: Removed 2813 outVars from TransFormulas that were not future-live. [2024-11-02 12:30:30,639 INFO L287 CfgBuilder]: Performing block encoding [2024-11-02 12:30:38,233 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-02 12:30:38,235 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-02 12:30:38,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:38 BoogieIcfgContainer [2024-11-02 12:30:38,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-02 12:30:38,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-02 12:30:38,241 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-02 12:30:38,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-02 12:30:38,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 12:30:21" (1/3) ... [2024-11-02 12:30:38,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd83989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:38, skipping insertion in model container [2024-11-02 12:30:38,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:22" (2/3) ... [2024-11-02 12:30:38,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd83989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 12:30:38, skipping insertion in model container [2024-11-02 12:30:38,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:38" (3/3) ... [2024-11-02 12:30:38,248 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-11-02 12:30:38,269 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-02 12:30:38,270 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-02 12:30:38,340 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-02 12:30:38,349 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@563a9df8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-02 12:30:38,350 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-02 12:30:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-02 12:30:38,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-02 12:30:38,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-02 12:30:38,363 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-02 12:30:38,363 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-02 12:30:38,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-02 12:30:38,370 INFO L85 PathProgramCache]: Analyzing trace with hash 216005150, now seen corresponding path program 1 times [2024-11-02 12:30:38,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-02 12:30:38,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464020627] [2024-11-02 12:30:38,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-02 12:30:38,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-02 12:30:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:30:38,886 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-02 12:30:39,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-02 12:30:39,150 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-02 12:30:39,153 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-02 12:30:39,154 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-02 12:30:39,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-02 12:30:39,161 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-02 12:30:39,201 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-02 12:30:39,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 12:30:39 BoogieIcfgContainer [2024-11-02 12:30:39,205 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-02 12:30:39,206 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-02 12:30:39,206 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-02 12:30:39,207 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-02 12:30:39,208 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 12:30:38" (3/4) ... [2024-11-02 12:30:39,210 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-02 12:30:39,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-02 12:30:39,213 INFO L158 Benchmark]: Toolchain (without parser) took 17887.21ms. Allocated memory was 142.6MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 107.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 454.5MB. Max. memory is 16.1GB. [2024-11-02 12:30:39,213 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:30:39,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1181.65ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 106.8MB in the beginning and 153.5MB in the end (delta: -46.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2024-11-02 12:30:39,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 736.86ms. Allocated memory is still 220.2MB. Free memory was 153.5MB in the beginning and 94.3MB in the end (delta: 59.2MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. [2024-11-02 12:30:39,216 INFO L158 Benchmark]: Boogie Preprocessor took 692.84ms. Allocated memory was 220.2MB in the beginning and 394.3MB in the end (delta: 174.1MB). Free memory was 94.3MB in the beginning and 240.4MB in the end (delta: -146.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-11-02 12:30:39,217 INFO L158 Benchmark]: RCFGBuilder took 14295.18ms. Allocated memory was 394.3MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 240.4MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 656.4MB. Max. memory is 16.1GB. [2024-11-02 12:30:39,219 INFO L158 Benchmark]: TraceAbstraction took 966.32ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-11-02 12:30:39,219 INFO L158 Benchmark]: Witness Printer took 5.91ms. Allocated memory is still 1.8GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-02 12:30:39,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1181.65ms. Allocated memory was 142.6MB in the beginning and 220.2MB in the end (delta: 77.6MB). Free memory was 106.8MB in the beginning and 153.5MB in the end (delta: -46.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 736.86ms. Allocated memory is still 220.2MB. Free memory was 153.5MB in the beginning and 94.3MB in the end (delta: 59.2MB). Peak memory consumption was 119.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 692.84ms. Allocated memory was 220.2MB in the beginning and 394.3MB in the end (delta: 174.1MB). Free memory was 94.3MB in the beginning and 240.4MB in the end (delta: -146.1MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * RCFGBuilder took 14295.18ms. Allocated memory was 394.3MB in the beginning and 1.8GB in the end (delta: 1.4GB). Free memory was 240.4MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 656.4MB. Max. memory is 16.1GB. * TraceAbstraction took 966.32ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.3GB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 5.91ms. Allocated memory is still 1.8GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 199, overapproximation of bitwiseAnd at line 146. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L29] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 1); [L30] const SORT_6 msb_SORT_6 = (SORT_6)1 << (1 - 1); [L32] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 4); [L33] const SORT_11 msb_SORT_11 = (SORT_11)1 << (4 - 1); [L35] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 32); [L36] const SORT_37 msb_SORT_37 = (SORT_37)1 << (32 - 1); [L38] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 3); [L39] const SORT_41 msb_SORT_41 = (SORT_41)1 << (3 - 1); [L41] const SORT_289 mask_SORT_289 = (SORT_289)-1 >> (sizeof(SORT_289) * 8 - 2); [L42] const SORT_289 msb_SORT_289 = (SORT_289)1 << (2 - 1); [L44] const SORT_293 mask_SORT_293 = (SORT_293)-1 >> (sizeof(SORT_293) * 8 - 5); [L45] const SORT_293 msb_SORT_293 = (SORT_293)1 << (5 - 1); [L47] const SORT_295 mask_SORT_295 = (SORT_295)-1 >> (sizeof(SORT_295) * 8 - 6); [L48] const SORT_295 msb_SORT_295 = (SORT_295)1 << (6 - 1); [L50] const SORT_297 mask_SORT_297 = (SORT_297)-1 >> (sizeof(SORT_297) * 8 - 7); [L51] const SORT_297 msb_SORT_297 = (SORT_297)1 << (7 - 1); [L53] const SORT_299 mask_SORT_299 = (SORT_299)-1 >> (sizeof(SORT_299) * 8 - 8); [L54] const SORT_299 msb_SORT_299 = (SORT_299)1 << (8 - 1); [L56] const SORT_301 mask_SORT_301 = (SORT_301)-1 >> (sizeof(SORT_301) * 8 - 9); [L57] const SORT_301 msb_SORT_301 = (SORT_301)1 << (9 - 1); [L59] const SORT_303 mask_SORT_303 = (SORT_303)-1 >> (sizeof(SORT_303) * 8 - 10); [L60] const SORT_303 msb_SORT_303 = (SORT_303)1 << (10 - 1); [L62] const SORT_305 mask_SORT_305 = (SORT_305)-1 >> (sizeof(SORT_305) * 8 - 11); [L63] const SORT_305 msb_SORT_305 = (SORT_305)1 << (11 - 1); [L65] const SORT_1 var_16 = 0; [L66] const SORT_6 var_21 = 0; [L67] const SORT_37 var_39 = 0; [L68] const SORT_41 var_42 = 0; [L69] const SORT_41 var_45 = 6; [L70] const SORT_41 var_47 = 7; [L71] const SORT_6 var_53 = 1; [L72] const SORT_11 var_57 = 2; [L73] const SORT_11 var_62 = 9; [L74] const SORT_11 var_70 = 15; [L75] const SORT_11 var_75 = 1; [L76] const SORT_11 var_77 = 3; [L77] const SORT_11 var_80 = 5; [L78] const SORT_11 var_83 = 7; [L79] const SORT_11 var_86 = 11; [L80] const SORT_11 var_108 = 8; [L81] const SORT_11 var_112 = 10; [L82] const SORT_11 var_116 = 13; [L83] const SORT_11 var_127 = 4; [L84] const SORT_11 var_129 = 12; [L85] const SORT_11 var_132 = 14; [L86] const SORT_11 var_138 = 6; [L87] const SORT_11 var_165 = 0; [L88] const SORT_41 var_209 = 1; [L89] const SORT_41 var_211 = 5; [L90] const SORT_1 var_229 = 4095; [L91] const SORT_1 var_569 = 1; [L92] const SORT_305 var_577 = 0; [L94] SORT_1 input_2; [L95] SORT_1 input_3; [L96] SORT_1 input_4; [L97] SORT_1 input_5; [L98] SORT_6 input_7; [L99] SORT_6 input_8; [L100] SORT_6 input_9; [L101] SORT_1 input_10; [L102] SORT_11 input_12; [L103] SORT_6 input_13; [L104] SORT_6 input_14; [L105] SORT_6 input_15; [L106] SORT_1 input_216; [L107] SORT_41 input_219; [L109] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L109] SORT_1 state_17 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L110] SORT_1 state_19 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L111] SORT_1 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L112] SORT_1 state_25 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L113] SORT_1 state_29 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L114] SORT_1 state_31 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_41 [L115] SORT_41 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_41; [L116] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L116] SORT_1 state_59 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 [L117] SORT_1 state_125 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L119] SORT_1 init_18_arg_1 = var_16; [L120] state_17 = init_18_arg_1 [L121] SORT_1 init_20_arg_1 = var_16; [L122] state_19 = init_20_arg_1 [L123] SORT_1 init_24_arg_1 = var_16; [L124] state_23 = init_24_arg_1 [L125] SORT_1 init_26_arg_1 = var_16; [L126] state_25 = init_26_arg_1 [L127] SORT_1 init_30_arg_1 = var_16; [L128] state_29 = init_30_arg_1 [L129] SORT_1 init_32_arg_1 = var_16; [L130] state_31 = init_32_arg_1 [L131] SORT_41 init_44_arg_1 = var_42; [L132] state_43 = init_44_arg_1 [L133] SORT_1 init_60_arg_1 = var_16; [L134] state_59 = init_60_arg_1 [L135] SORT_1 init_126_arg_1 = var_16; [L136] state_125 = init_126_arg_1 VAL [mask_SORT_11=15, mask_SORT_1=4095, mask_SORT_289=3, mask_SORT_293=31, mask_SORT_295=63, mask_SORT_297=127, mask_SORT_299=255, mask_SORT_301=511, mask_SORT_303=1023, mask_SORT_305=2047, mask_SORT_41=7, mask_SORT_6=1, state_125=0, state_17=0, state_19=0, state_23=0, state_25=0, state_29=0, state_31=0, state_43=0, state_59=0, var_108=8, var_112=10, var_116=13, var_127=4, var_129=12, var_132=14, var_138=6, var_165=0, var_16=0, var_209=1, var_211=5, var_21=0, var_229=4095, var_39=0, var_42=0, var_45=6, var_47=7, var_53=1, var_569=1, var_577=0, var_57=2, var_62=9, var_70=15, var_75=1, var_77=3, var_80=5, var_83=7, var_86=11] [L139] input_2 = __VERIFIER_nondet_ushort() [L140] input_3 = __VERIFIER_nondet_ushort() [L141] input_4 = __VERIFIER_nondet_ushort() [L142] input_5 = __VERIFIER_nondet_ushort() [L143] input_7 = __VERIFIER_nondet_uchar() [L144] input_8 = __VERIFIER_nondet_uchar() [L145] input_9 = __VERIFIER_nondet_uchar() [L146] EXPR input_9 & mask_SORT_6 [L146] input_9 = input_9 & mask_SORT_6 [L147] input_10 = __VERIFIER_nondet_ushort() [L148] input_12 = __VERIFIER_nondet_uchar() [L149] EXPR input_12 & mask_SORT_11 [L149] input_12 = input_12 & mask_SORT_11 [L150] input_13 = __VERIFIER_nondet_uchar() [L151] input_14 = __VERIFIER_nondet_uchar() [L152] input_15 = __VERIFIER_nondet_uchar() [L153] input_216 = __VERIFIER_nondet_ushort() [L154] input_219 = __VERIFIER_nondet_uchar() [L157] SORT_6 var_34_arg_0 = var_21; [L158] SORT_1 var_34_arg_1 = input_5; [L159] SORT_1 var_34_arg_2 = input_4; [L160] SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L161] SORT_6 var_33_arg_0 = var_21; [L162] SORT_1 var_33_arg_1 = state_31; [L163] SORT_1 var_33_arg_2 = state_29; [L164] SORT_1 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L165] SORT_6 var_35_arg_0 = var_21; [L166] SORT_1 var_35_arg_1 = var_34; [L167] SORT_1 var_35_arg_2 = var_33; [L168] SORT_1 var_35 = var_35_arg_0 ? var_35_arg_1 : var_35_arg_2; [L169] SORT_6 var_27_arg_0 = var_21; [L170] SORT_1 var_27_arg_1 = state_25; [L171] SORT_1 var_27_arg_2 = state_23; [L172] SORT_1 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L173] SORT_6 var_22_arg_0 = var_21; [L174] SORT_1 var_22_arg_1 = state_19; [L175] SORT_1 var_22_arg_2 = state_17; [L176] SORT_1 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L177] SORT_6 var_28_arg_0 = var_21; [L178] SORT_1 var_28_arg_1 = var_27; [L179] SORT_1 var_28_arg_2 = var_22; [L180] SORT_1 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L181] SORT_6 var_36_arg_0 = var_21; [L182] SORT_1 var_36_arg_1 = var_35; [L183] SORT_1 var_36_arg_2 = var_28; [L184] SORT_1 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L185] SORT_1 var_38_arg_0 = var_36; [L186] EXPR var_38_arg_0 & mask_SORT_1 [L186] var_38_arg_0 = var_38_arg_0 & mask_SORT_1 [L187] SORT_37 var_38 = var_38_arg_0; [L188] SORT_37 var_40_arg_0 = var_38; [L189] SORT_37 var_40_arg_1 = var_39; [L190] SORT_6 var_40 = var_40_arg_0 == var_40_arg_1; [L191] SORT_41 var_46_arg_0 = state_43; [L192] SORT_41 var_46_arg_1 = var_45; [L193] SORT_6 var_46 = var_46_arg_0 != var_46_arg_1; [L194] SORT_41 var_48_arg_0 = state_43; [L195] SORT_41 var_48_arg_1 = var_47; [L196] SORT_6 var_48 = var_48_arg_0 != var_48_arg_1; [L197] SORT_6 var_49_arg_0 = var_46; [L198] SORT_6 var_49_arg_1 = var_48; [L199] EXPR var_49_arg_0 | var_49_arg_1 [L199] SORT_6 var_49 = var_49_arg_0 | var_49_arg_1; [L200] SORT_6 var_50_arg_0 = var_40; [L201] SORT_6 var_50_arg_1 = var_49; [L202] EXPR var_50_arg_0 & var_50_arg_1 [L202] SORT_6 var_50 = var_50_arg_0 & var_50_arg_1; [L203] SORT_6 var_54_arg_0 = var_50; [L204] SORT_6 var_54 = ~var_54_arg_0; [L205] SORT_6 var_55_arg_0 = var_53; [L206] SORT_6 var_55_arg_1 = var_54; [L207] EXPR var_55_arg_0 & var_55_arg_1 [L207] SORT_6 var_55 = var_55_arg_0 & var_55_arg_1; [L208] EXPR var_55 & mask_SORT_6 [L208] var_55 = var_55 & mask_SORT_6 [L209] SORT_6 bad_56_arg_0 = var_55; [L210] CALL __VERIFIER_assert(!(bad_56_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-02 12:30:39,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-11-02 12:30:41,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-02 12:30:41,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-02 12:30:41,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-02 12:30:41,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-02 12:30:41,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-02 12:30:41,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-02 12:30:42,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-02 12:30:42,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-02 12:30:42,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-02 12:30:42,007 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-02 12:30:42,007 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-02 12:30:42,008 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-02 12:30:42,008 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-02 12:30:42,008 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-02 12:30:42,009 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-02 12:30:42,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-02 12:30:42,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-02 12:30:42,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-02 12:30:42,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-02 12:30:42,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-02 12:30:42,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-02 12:30:42,014 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-02 12:30:42,014 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-02 12:30:42,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-02 12:30:42,015 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-02 12:30:42,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-02 12:30:42,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-02 12:30:42,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-02 12:30:42,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-02 12:30:42,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-02 12:30:42,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-02 12:30:42,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:42,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-02 12:30:42,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-02 12:30:42,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-02 12:30:42,020 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-02 12:30:42,020 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-02 12:30:42,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-02 12:30:42,021 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-02 12:30:42,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-02 12:30:42,022 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ac6f8d68dfadee83df50cc30cff5b03f705d6e7b992071314ad032158be302 [2024-11-02 12:30:42,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-02 12:30:42,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-02 12:30:42,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-02 12:30:42,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-02 12:30:42,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-02 12:30:42,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c Unable to find full path for "g++" [2024-11-02 12:30:44,846 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-02 12:30:45,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-02 12:30:45,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c [2024-11-02 12:30:45,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data/f1e2f0783/ebb3b6ac89a649c9bc89c70577f49a6c/FLAG1e91d7899 [2024-11-02 12:30:45,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/data/f1e2f0783/ebb3b6ac89a649c9bc89c70577f49a6c [2024-11-02 12:30:45,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-02 12:30:45,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-02 12:30:45,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:45,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-02 12:30:45,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-02 12:30:45,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:45" (1/1) ... [2024-11-02 12:30:45,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6a72a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:45, skipping insertion in model container [2024-11-02 12:30:45,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 12:30:45" (1/1) ... [2024-11-02 12:30:45,529 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-02 12:30:45,774 WARN L251 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_ccf94177-64cf-459c-b100-28a2273099c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-11-02 12:30:46,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:46,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-02 12:30:46,314 WARN L251 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_ccf94177-64cf-459c-b100-28a2273099c2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p1.c[1260,1273] [2024-11-02 12:30:46,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-02 12:30:46,456 INFO L204 MainTranslator]: Completed translation [2024-11-02 12:30:46,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46 WrapperNode [2024-11-02 12:30:46,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-02 12:30:46,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:46,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-02 12:30:46,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-02 12:30:46,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,620 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1783 [2024-11-02 12:30:46,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-02 12:30:46,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-02 12:30:46,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-02 12:30:46,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-02 12:30:46,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,693 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,756 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-02 12:30:46,757 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-02 12:30:46,757 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-02 12:30:46,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-02 12:30:46,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 12:30:46" (1/1) ... [2024-11-02 12:30:46,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-02 12:30:46,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/z3 [2024-11-02 12:30:46,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-02 12:30:46,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ccf94177-64cf-459c-b100-28a2273099c2/bin/utaipan-verify-DbMuA5NWw2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-02 12:30:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-02 12:30:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-02 12:30:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-02 12:30:46,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-02 12:30:47,291 INFO L238 CfgBuilder]: Building ICFG [2024-11-02 12:30:47,294 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation