./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E --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 ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 03:40:41,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 03:40:41,388 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-14 03:40:41,394 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 03:40:41,394 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 03:40:41,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 03:40:41,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 03:40:41,442 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 03:40:41,443 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 03:40:41,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 03:40:41,444 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 03:40:41,445 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 03:40:41,445 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 03:40:41,445 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 03:40:41,445 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 03:40:41,446 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 03:40:41,446 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 03:40:41,446 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 03:40:41,447 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 03:40:41,447 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 03:40:41,447 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 03:40:41,447 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 03:40:41,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 03:40:41,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 03:40:41,448 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 03:40:41,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 03:40:41,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 03:40:41,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 03:40:41,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 03:40:41,449 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 03:40:41,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 03:40:41,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 03:40:41,450 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 03:40:41,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 03:40:41,450 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 03:40:41,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 03:40:41,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 03:40:41,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 03:40:41,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:40:41,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 03:40:41,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 03:40:41,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 03:40:41,451 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 03:40:41,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 03:40:41,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 03:40:41,453 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 03:40:41,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 03:40:41,453 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E 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 -> ab9f0c8bf8702d6b09918533becccbdb970411e8ea985342c84585cb962ca4e1 [2024-11-14 03:40:41,926 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 03:40:41,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 03:40:41,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 03:40:41,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 03:40:41,949 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 03:40:41,951 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c Unable to find full path for "g++" [2024-11-14 03:40:44,583 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 03:40:45,162 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 03:40:45,163 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c [2024-11-14 03:40:45,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/data/587a8b1fe/2420738b5c2c43d4bff87a33657c324b/FLAGf7b95682a [2024-11-14 03:40:45,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/data/587a8b1fe/2420738b5c2c43d4bff87a33657c324b [2024-11-14 03:40:45,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 03:40:45,225 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 03:40:45,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 03:40:45,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 03:40:45,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 03:40:45,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:40:45" (1/1) ... [2024-11-14 03:40:45,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ead897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:45, skipping insertion in model container [2024-11-14 03:40:45,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 03:40:45" (1/1) ... [2024-11-14 03:40:45,325 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 03:40:45,565 WARN L250 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_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c[2061,2074] [2024-11-14 03:40:46,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:46,332 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 03:40:46,351 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/aso.bug3.i","-S") [44] [2024-11-14 03:40:46,363 WARN L250 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_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/sv-benchmarks/c/seq-mthreaded/rekcba_aso.3.M1.c[2061,2074] [2024-11-14 03:40:46,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 03:40:46,773 INFO L204 MainTranslator]: Completed translation [2024-11-14 03:40:46,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46 WrapperNode [2024-11-14 03:40:46,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 03:40:46,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:46,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 03:40:46,776 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 03:40:46,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:46,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,320 INFO L138 Inliner]: procedures = 73, calls = 3163, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 6364 [2024-11-14 03:40:47,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 03:40:47,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 03:40:47,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 03:40:47,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 03:40:47,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,903 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:47,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:48,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 03:40:48,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 03:40:48,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 03:40:48,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 03:40:48,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (1/1) ... [2024-11-14 03:40:48,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 03:40:48,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 03:40:48,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 03:40:48,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c93d63f-c5e9-4fb0-98fd-a7e798e1f1f6/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 03:40:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 03:40:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2024-11-14 03:40:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2024-11-14 03:40:48,225 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2024-11-14 03:40:48,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2024-11-14 03:40:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2024-11-14 03:40:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2024-11-14 03:40:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2024-11-14 03:40:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2024-11-14 03:40:48,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2024-11-14 03:40:48,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 03:40:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2024-11-14 03:40:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2024-11-14 03:40:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2024-11-14 03:40:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2024-11-14 03:40:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2024-11-14 03:40:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2024-11-14 03:40:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2024-11-14 03:40:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2024-11-14 03:40:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2024-11-14 03:40:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2024-11-14 03:40:48,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-14 03:40:48,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2024-11-14 03:40:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2024-11-14 03:40:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2024-11-14 03:40:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-14 03:40:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2024-11-14 03:40:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-14 03:40:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2024-11-14 03:40:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 03:40:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 03:40:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2024-11-14 03:40:48,228 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2024-11-14 03:40:48,228 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2024-11-14 03:40:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2024-11-14 03:40:48,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2024-11-14 03:40:48,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2024-11-14 03:40:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2024-11-14 03:40:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2024-11-14 03:40:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-14 03:40:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-14 03:40:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 03:40:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 03:40:48,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 03:40:48,232 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2024-11-14 03:40:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2024-11-14 03:40:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2024-11-14 03:40:48,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2024-11-14 03:40:48,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2024-11-14 03:40:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2024-11-14 03:40:48,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2024-11-14 03:40:48,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2024-11-14 03:40:49,032 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 03:40:49,035 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 03:41:08,779 INFO L? ?]: Removed 349 outVars from TransFormulas that were not future-live. [2024-11-14 03:41:08,779 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 03:41:09,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 03:41:09,473 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 03:41:09,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:41:09 BoogieIcfgContainer [2024-11-14 03:41:09,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 03:41:09,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 03:41:09,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 03:41:09,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 03:41:09,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 03:40:45" (1/3) ... [2024-11-14 03:41:09,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b54576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:41:09, skipping insertion in model container [2024-11-14 03:41:09,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 03:40:46" (2/3) ... [2024-11-14 03:41:09,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b54576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 03:41:09, skipping insertion in model container [2024-11-14 03:41:09,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 03:41:09" (3/3) ... [2024-11-14 03:41:09,492 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2024-11-14 03:41:09,516 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 03:41:09,519 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG rekcba_aso.3.M1.c that has 26 procedures, 1587 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 03:41:09,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 03:41:09,708 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;@1f2aef7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 03:41:09,709 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 03:41:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 1587 states, 960 states have (on average 1.2572916666666667) internal successors, (1207), 993 states have internal predecessors, (1207), 600 states have call successors, (600), 25 states have call predecessors, (600), 25 states have return successors, (600), 597 states have call predecessors, (600), 600 states have call successors, (600) [2024-11-14 03:41:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1172 [2024-11-14 03:41:09,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 03:41:09,880 INFO L215 NwaCegarLoop]: trace histogram [241, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-14 03:41:09,881 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 03:41:09,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 03:41:09,887 INFO L85 PathProgramCache]: Analyzing trace with hash 785675546, now seen corresponding path program 1 times [2024-11-14 03:41:09,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 03:41:09,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102945333] [2024-11-14 03:41:09,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 03:41:09,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms