./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5 --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 32bit --witnessprinter.graph.data.programhash 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:55:41,167 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:55:41,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:55:41,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:55:41,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:55:41,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:55:41,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:55:41,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:55:41,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:55:41,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:55:41,334 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:55:41,335 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:55:41,335 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:55:41,337 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:55:41,338 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:55:41,338 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:55:41,339 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:55:41,339 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:55:41,340 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:55:41,340 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:55:41,341 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:55:41,342 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:55:41,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:55:41,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:55:41,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:55:41,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:55:41,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:55:41,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:55:41,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:55:41,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:55:41,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:55:41,348 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:55:41,349 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:55:41,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:55:41,349 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:55:41,350 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:55:41,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:55:41,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:55:41,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:55:41,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:55:41,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:55:41,352 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:55:41,353 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:55:41,353 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:55:41,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:55:41,354 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:55:41,354 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:55:41,354 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_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17a6dd75e60112a7f7af78ca3548f5d14d93f1e305c1fc4e0acf996889e6f17b [2023-11-21 19:55:41,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:55:41,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:55:41,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:55:41,738 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:55:41,738 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:55:41,740 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2023-11-21 19:55:44,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:55:45,521 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:55:45,522 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c [2023-11-21 19:55:45,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/data/205c32626/4fa0005c9d874bc0809897bc2b71bfa6/FLAG638017409 [2023-11-21 19:55:45,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/data/205c32626/4fa0005c9d874bc0809897bc2b71bfa6 [2023-11-21 19:55:45,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:55:45,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:55:45,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:55:45,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:55:45,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:55:45,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:55:45" (1/1) ... [2023-11-21 19:55:45,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30d375ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:45, skipping insertion in model container [2023-11-21 19:55:45,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:55:45" (1/1) ... [2023-11-21 19:55:45,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:55:46,151 WARN L240 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_06a8d076-af8f-4c25-a33f-6d8711fe18bf/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c[2275,2288] [2023-11-21 19:55:47,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:55:47,594 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:55:47,605 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok3.i","-S") [51] [2023-11-21 19:55:47,612 WARN L240 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_06a8d076-af8f-4c25-a33f-6d8711fe18bf/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M4.c[2275,2288] [2023-11-21 19:55:48,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:55:48,760 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:55:48,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48 WrapperNode [2023-11-21 19:55:48,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:55:48,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:55:48,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:55:48,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:55:48,770 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:49,303 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:51,228 INFO L138 Inliner]: procedures = 62, calls = 18852, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 41391 [2023-11-21 19:55:51,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:55:51,229 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:55:51,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:55:51,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:55:51,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:51,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:51,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:51,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:52,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:52,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:53,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:53,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:53,376 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:55:53,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:55:53,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:55:53,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:55:53,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:55:48" (1/1) ... [2023-11-21 19:55:53,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:55:53,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:55:53,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:55:53,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a8d076-af8f-4c25-a33f-6d8711fe18bf/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:55:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:55:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-21 19:55:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-21 19:55:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-11-21 19:55:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-11-21 19:55:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:55:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-21 19:55:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-21 19:55:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-21 19:55:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-21 19:55:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2023-11-21 19:55:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2023-11-21 19:55:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-11-21 19:55:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-11-21 19:55:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:55:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-21 19:55:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-21 19:55:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-11-21 19:55:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-11-21 19:55:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-11-21 19:55:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-11-21 19:55:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-11-21 19:55:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-11-21 19:55:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:55:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-11-21 19:55:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-11-21 19:55:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:55:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-21 19:55:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-21 19:55:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-11-21 19:55:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-11-21 19:55:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-11-21 19:55:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-11-21 19:55:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 19:55:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 19:55:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:55:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:55:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:55:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-11-21 19:55:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-11-21 19:55:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-21 19:55:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-21 19:55:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-11-21 19:55:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-11-21 19:55:55,723 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:55:55,727 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation