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.2.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:47:57,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:47:57,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:47:57,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:47:57,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:47:57,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:47:57,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:47:57,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:47:57,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:47:57,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:47:57,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:47:57,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:47:57,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:47:57,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:47:57,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:47:57,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:47:57,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:47:57,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:47:57,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:47:57,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:47:57,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:47:57,143 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:47:57,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:47:57,145 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:47:57,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:47:57,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:47:57,150 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:47:57,154 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:47:57,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:47:57,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:47:57,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:47:57,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:47:57,160 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:47:57,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:47:57,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:47:57,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:47:57,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:47:57,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:47:57,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:47:57,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:47:57,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:47:57,172 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 [2019-10-13 19:47:57,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:47:57,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:47:57,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:47:57,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:47:57,201 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:47:57,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:47:57,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:47:57,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:47:57,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:47:57,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:47:57,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:47:57,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:47:57,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:47:57,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:47:57,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:47:57,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:47:57,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:47:57,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:47:57,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:47:57,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:47:57,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:47:57,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:47:57,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:47:57,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:47:57,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:47:57,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:47:57,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:47:57,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:47:57,207 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:47:57,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:47:57,494 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:47:57,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:47:57,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:47:57,501 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:47:57,502 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-2.c [2019-10-13 19:47:57,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11ae48a2/7378b24b1fb1454c9ba43e8f3799d79a/FLAGd794ccb97 [2019-10-13 19:47:58,440 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:47:58,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-2.c [2019-10-13 19:47:58,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11ae48a2/7378b24b1fb1454c9ba43e8f3799d79a/FLAGd794ccb97 [2019-10-13 19:47:58,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c11ae48a2/7378b24b1fb1454c9ba43e8f3799d79a [2019-10-13 19:47:58,933 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:47:58,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:47:58,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:47:58,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:47:58,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:47:58,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:47:58" (1/1) ... [2019-10-13 19:47:58,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1273f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:47:58, skipping insertion in model container [2019-10-13 19:47:58,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:47:58" (1/1) ... [2019-10-13 19:47:58,952 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:47:59,136 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:48:00,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:48:00,939 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:48:01,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:48:01,959 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:48:01,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01 WrapperNode [2019-10-13 19:48:01,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:48:01,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:48:01,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:48:01,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:48:01,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (1/1) ... [2019-10-13 19:48:01,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (1/1) ... [2019-10-13 19:48:02,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (1/1) ... [2019-10-13 19:48:02,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (1/1) ... [2019-10-13 19:48:04,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (1/1) ... [2019-10-13 19:48:04,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (1/1) ... [2019-10-13 19:48:04,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (1/1) ... [2019-10-13 19:48:04,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:48:04,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:48:04,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:48:04,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:48:04,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (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 [2019-10-13 19:48:04,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:48:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:48:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-13 19:48:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-13 19:48:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-13 19:48:04,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-13 19:48:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-13 19:48:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-13 19:48:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-13 19:48:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-13 19:48:04,515 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-13 19:48:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-13 19:48:04,516 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-13 19:48:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-13 19:48:04,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-13 19:48:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-13 19:48:04,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-13 19:48:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-10-13 19:48:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-13 19:48:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-10-13 19:48:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-13 19:48:04,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-13 19:48:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-13 19:48:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-13 19:48:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-13 19:48:04,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-13 19:48:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-10-13 19:48:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-13 19:48:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-13 19:48:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-10-13 19:48:04,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-10-13 19:48:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:48:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-13 19:48:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-13 19:48:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-10-13 19:48:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-13 19:48:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-13 19:48:04,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-10-13 19:48:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-13 19:48:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-13 19:48:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-13 19:48:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-10-13 19:48:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-13 19:48:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-13 19:48:04,523 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-10-13 19:48:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:48:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-13 19:48:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-13 19:48:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-13 19:48:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-13 19:48:04,524 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-13 19:48:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 19:48:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-13 19:48:04,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:48:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:48:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-13 19:48:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-13 19:48:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-13 19:48:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-13 19:48:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-13 19:48:04,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:48:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:48:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:48:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:48:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 19:48:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-13 19:48:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-13 19:48:04,527 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-13 19:48:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-13 19:48:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-13 19:48:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-10-13 19:48:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-10-13 19:48:04,528 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-13 19:48:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-13 19:48:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-13 19:48:04,529 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-13 19:48:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-13 19:48:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-10-13 19:48:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-13 19:48:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-13 19:48:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-13 19:48:04,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-13 19:48:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-13 19:48:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-13 19:48:04,531 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-13 19:48:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-13 19:48:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-13 19:48:04,532 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-13 19:48:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-13 19:48:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-10-13 19:48:04,533 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-10-13 19:48:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-13 19:48:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-10-13 19:48:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-13 19:48:04,534 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-13 19:48:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-10-13 19:48:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-13 19:48:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-13 19:48:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-10-13 19:48:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-10-13 19:48:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:48:04,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:48:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:48:04,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:48:30,789 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:48:30,790 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 19:48:30,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:48:30 BoogieIcfgContainer [2019-10-13 19:48:30,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:48:30,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:48:30,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:48:30,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:48:30,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:47:58" (1/3) ... [2019-10-13 19:48:30,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e533e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:48:30, skipping insertion in model container [2019-10-13 19:48:30,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:01" (2/3) ... [2019-10-13 19:48:30,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e533e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:48:30, skipping insertion in model container [2019-10-13 19:48:30,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:48:30" (3/3) ... [2019-10-13 19:48:30,802 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M4-2.c [2019-10-13 19:48:30,813 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:48:30,825 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:48:30,839 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:48:30,897 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:48:30,898 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:48:30,898 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:48:30,898 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:48:30,900 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:48:30,900 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:48:30,900 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:48:30,901 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:48:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states. [2019-10-13 19:48:31,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2618 [2019-10-13 19:48:31,556 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:48:31,562 INFO L380 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] [2019-10-13 19:48:31,566 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:48:31,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:48:31,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1079862688, now seen corresponding path program 1 times [2019-10-13 19:48:31,592 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:48:31,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089158907] [2019-10-13 19:48:31,595 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:48:31,596 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:48:31,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY