java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 08:46:38,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 08:46:38,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 08:46:38,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 08:46:38,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 08:46:38,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 08:46:38,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 08:46:38,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 08:46:38,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 08:46:38,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 08:46:38,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 08:46:38,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 08:46:38,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 08:46:38,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 08:46:38,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 08:46:38,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 08:46:38,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 08:46:38,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 08:46:38,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 08:46:38,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 08:46:38,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 08:46:38,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 08:46:38,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 08:46:38,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 08:46:38,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 08:46:38,465 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 08:46:38,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 08:46:38,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 08:46:38,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 08:46:38,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 08:46:38,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 08:46:38,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 08:46:38,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 08:46:38,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 08:46:38,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 08:46:38,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 08:46:38,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 08:46:38,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 08:46:38,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 08:46:38,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 08:46:38,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 08:46:38,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 08:46:38,497 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 08:46:38,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 08:46:38,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 08:46:38,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 08:46:38,500 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 08:46:38,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 08:46:38,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 08:46:38,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 08:46:38,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 08:46:38,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 08:46:38,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 08:46:38,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 08:46:38,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 08:46:38,502 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 08:46:38,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 08:46:38,502 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 08:46:38,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 08:46:38,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 08:46:38,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 08:46:38,503 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 08:46:38,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 08:46:38,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 08:46:38,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 08:46:38,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 08:46:38,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 08:46:38,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 08:46:38,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 08:46:38,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 08:46:38,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 08:46:38,544 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 08:46:38,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 08:46:38,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 08:46:38,561 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 08:46:38,562 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 08:46:38,563 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c [2019-09-08 08:46:38,626 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd01f8e1/1f23fc52c2a948858d46c0c3faecf29c/FLAG199cdd6d3 [2019-09-08 08:46:39,465 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 08:46:39,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M4-2.c [2019-09-08 08:46:39,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd01f8e1/1f23fc52c2a948858d46c0c3faecf29c/FLAG199cdd6d3 [2019-09-08 08:46:39,970 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd01f8e1/1f23fc52c2a948858d46c0c3faecf29c [2019-09-08 08:46:39,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 08:46:39,984 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 08:46:39,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 08:46:39,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 08:46:39,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 08:46:39,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:46:39" (1/1) ... [2019-09-08 08:46:39,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d072994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:39, skipping insertion in model container [2019-09-08 08:46:39,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:46:39" (1/1) ... [2019-09-08 08:46:40,001 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 08:46:40,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 08:46:41,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 08:46:41,768 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 08:46:43,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 08:46:43,401 INFO L192 MainTranslator]: Completed translation [2019-09-08 08:46:43,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43 WrapperNode [2019-09-08 08:46:43,401 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 08:46:43,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 08:46:43,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 08:46:43,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 08:46:43,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... [2019-09-08 08:46:43,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... [2019-09-08 08:46:43,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... [2019-09-08 08:46:43,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... [2019-09-08 08:46:44,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... [2019-09-08 08:46:44,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... [2019-09-08 08:46:44,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... [2019-09-08 08:46:44,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 08:46:44,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 08:46:44,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 08:46:44,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 08:46:44,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 08:46:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 08:46:44,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 08:46:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-08 08:46:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-09-08 08:46:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-09-08 08:46:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-08 08:46:44,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-09-08 08:46:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-09-08 08:46:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-09-08 08:46:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-09-08 08:46:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-09-08 08:46:44,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-09-08 08:46:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-09-08 08:46:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-08 08:46:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-08 08:46:44,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-09-08 08:46:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-08 08:46:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-09-08 08:46:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-09-08 08:46:44,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-08 08:46:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-09-08 08:46:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-08 08:46:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-08 08:46:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-08 08:46:44,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-08 08:46:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-08 08:46:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-09-08 08:46:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-08 08:46:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-09-08 08:46:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-09-08 08:46:44,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 08:46:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-09-08 08:46:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-09-08 08:46:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-09-08 08:46:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-09-08 08:46:44,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-08 08:46:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-09-08 08:46:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-09-08 08:46:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-09-08 08:46:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-08 08:46:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-08 08:46:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-09-08 08:46:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 08:46:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-08 08:46:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-08 08:46:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-08 08:46:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-08 08:46:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 08:46:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-08 08:46:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 08:46:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 08:46:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 08:46:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-09-08 08:46:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-09-08 08:46:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 08:46:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 08:46:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 08:46:44,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 08:46:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 08:46:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 08:46:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-09-08 08:46:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-09-08 08:46:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-09-08 08:46:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-09-08 08:46:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-08 08:46:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-08 08:46:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-09-08 08:46:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-09-08 08:46:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-09-08 08:46:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-09-08 08:46:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-09-08 08:46:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-09-08 08:46:44,802 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-08 08:46:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-09-08 08:46:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-09-08 08:46:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-09-08 08:46:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-09-08 08:46:44,803 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-08 08:46:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-08 08:46:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-09-08 08:46:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-08 08:46:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-09-08 08:46:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-09-08 08:46:44,804 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-09-08 08:46:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-08 08:46:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-09-08 08:46:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-08 08:46:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-08 08:46:44,805 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-09-08 08:46:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-08 08:46:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-09-08 08:46:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-09-08 08:46:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 08:46:44,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 08:46:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 08:46:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 08:47:09,202 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 08:47:09,203 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 08:47:09,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:47:09 BoogieIcfgContainer [2019-09-08 08:47:09,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 08:47:09,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 08:47:09,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 08:47:09,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 08:47:09,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:46:39" (1/3) ... [2019-09-08 08:47:09,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412cefb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:47:09, skipping insertion in model container [2019-09-08 08:47:09,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:46:43" (2/3) ... [2019-09-08 08:47:09,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@412cefb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:47:09, skipping insertion in model container [2019-09-08 08:47:09,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:47:09" (3/3) ... [2019-09-08 08:47:09,216 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M4-2.c [2019-09-08 08:47:09,227 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 08:47:09,243 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 08:47:09,260 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 08:47:09,312 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 08:47:09,313 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 08:47:09,313 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 08:47:09,313 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 08:47:09,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 08:47:09,314 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 08:47:09,314 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 08:47:09,314 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 08:47:09,314 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 08:47:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 4246 states. [2019-09-08 08:47:09,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2622 [2019-09-08 08:47:09,545 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 08:47:09,548 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 08:47:09,551 INFO L418 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 08:47:09,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 08:47:09,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1788523670, now seen corresponding path program 1 times [2019-09-08 08:47:09,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 08:47:09,560 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 08:47:09,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 08:47:09,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 08:47:09,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY