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 0.1.24-112bae1 [2019-09-08 08:49:12,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 08:49:12,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 08:49:12,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 08:49:12,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 08:49:12,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 08:49:12,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 08:49:12,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 08:49:12,427 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 08:49:12,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 08:49:12,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 08:49:12,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 08:49:12,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 08:49:12,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 08:49:12,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 08:49:12,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 08:49:12,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 08:49:12,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 08:49:12,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 08:49:12,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 08:49:12,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 08:49:12,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 08:49:12,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 08:49:12,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 08:49:12,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 08:49:12,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 08:49:12,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 08:49:12,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 08:49:12,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 08:49:12,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 08:49:12,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 08:49:12,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 08:49:12,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 08:49:12,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 08:49:12,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 08:49:12,465 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 08:49:12,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 08:49:12,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 08:49:12,466 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 08:49:12,467 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 08:49:12,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 08:49:12,469 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 08:49:12,503 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 08:49:12,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 08:49:12,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 08:49:12,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 08:49:12,505 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 08:49:12,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 08:49:12,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 08:49:12,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 08:49:12,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 08:49:12,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 08:49:12,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 08:49:12,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 08:49:12,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 08:49:12,507 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 08:49:12,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 08:49:12,508 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 08:49:12,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 08:49:12,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 08:49:12,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 08:49:12,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 08:49:12,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 08:49:12,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 08:49:12,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 08:49:12,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 08:49:12,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 08:49:12,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 08:49:12,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 08:49:12,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 08:49:12,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 08:49:12,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 08:49:12,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 08:49:12,553 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 08:49:12,554 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 08:49:12,555 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 08:49:12,555 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-2.c [2019-09-08 08:49:12,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3553f5dd8/011e37c51b6c492aa38a8d91aa9c366a/FLAG84f894817 [2019-09-08 08:49:13,432 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 08:49:13,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-2.c [2019-09-08 08:49:13,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3553f5dd8/011e37c51b6c492aa38a8d91aa9c366a/FLAG84f894817 [2019-09-08 08:49:13,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3553f5dd8/011e37c51b6c492aa38a8d91aa9c366a [2019-09-08 08:49:13,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 08:49:13,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 08:49:13,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 08:49:13,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 08:49:13,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 08:49:13,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:49:13" (1/1) ... [2019-09-08 08:49:13,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69494c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:13, skipping insertion in model container [2019-09-08 08:49:13,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:49:13" (1/1) ... [2019-09-08 08:49:13,987 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 08:49:14,175 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 08:49:15,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 08:49:15,820 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 08:49:16,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 08:49:16,860 INFO L192 MainTranslator]: Completed translation [2019-09-08 08:49:16,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16 WrapperNode [2019-09-08 08:49:16,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 08:49:16,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 08:49:16,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 08:49:16,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 08:49:16,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (1/1) ... [2019-09-08 08:49:16,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (1/1) ... [2019-09-08 08:49:17,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (1/1) ... [2019-09-08 08:49:17,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (1/1) ... [2019-09-08 08:49:17,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (1/1) ... [2019-09-08 08:49:19,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (1/1) ... [2019-09-08 08:49:19,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (1/1) ... [2019-09-08 08:49:19,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 08:49:19,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 08:49:19,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 08:49:19,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 08:49:19,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (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 08:49:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 08:49:19,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 08:49:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-08 08:49:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-09-08 08:49:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-09-08 08:49:19,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-08 08:49:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-09-08 08:49:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-09-08 08:49:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-09-08 08:49:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-09-08 08:49:19,432 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-09-08 08:49:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-09-08 08:49:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-09-08 08:49:19,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-08 08:49:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-09-08 08:49:19,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-08 08:49:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-09-08 08:49:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-09-08 08:49:19,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-08 08:49:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-09-08 08:49:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-08 08:49:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-08 08:49:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-08 08:49:19,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-08 08:49:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-08 08:49:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-09-08 08:49:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-09-08 08:49:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-08 08:49:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-08 08:49:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-09-08 08:49:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-09-08 08:49:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 08:49:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-09-08 08:49:19,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-09-08 08:49:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-09-08 08:49:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-09-08 08:49:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-09-08 08:49:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-09-08 08:49:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-08 08:49:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-09-08 08:49:19,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-09-08 08:49:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-09-08 08:49:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-08 08:49:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-08 08:49:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-09-08 08:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 08:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-08 08:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-09-08 08:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-08 08:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-08 08:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-08 08:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 08:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-08 08:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 08:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-08 08:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-09-08 08:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-09-08 08:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-08 08:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-09-08 08:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-09-08 08:49:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 08:49:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 08:49:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 08:49:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 08:49:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-08 08:49:19,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-08 08:49:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-09-08 08:49:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-09-08 08:49:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-09-08 08:49:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-09-08 08:49:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-09-08 08:49:19,444 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-09-08 08:49:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-08 08:49:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-08 08:49:19,445 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-09-08 08:49:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-09-08 08:49:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-09-08 08:49:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-09-08 08:49:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-09-08 08:49:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-09-08 08:49:19,446 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-08 08:49:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-09-08 08:49:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-09-08 08:49:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-09-08 08:49:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-09-08 08:49:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-08 08:49:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-09-08 08:49:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-08 08:49:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-09-08 08:49:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-09-08 08:49:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-09-08 08:49:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-08 08:49:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-09-08 08:49:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-08 08:49:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-08 08:49:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-09-08 08:49:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-08 08:49:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-08 08:49:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-09-08 08:49:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-09-08 08:49:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 08:49:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 08:49:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 08:49:19,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 08:49:47,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 08:49:47,843 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 08:49:47,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:49:47 BoogieIcfgContainer [2019-09-08 08:49:47,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 08:49:47,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 08:49:47,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 08:49:47,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 08:49:47,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:49:13" (1/3) ... [2019-09-08 08:49:47,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5316e2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:49:47, skipping insertion in model container [2019-09-08 08:49:47,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:49:16" (2/3) ... [2019-09-08 08:49:47,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5316e2a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:49:47, skipping insertion in model container [2019-09-08 08:49:47,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:49:47" (3/3) ... [2019-09-08 08:49:47,858 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M4-2.c [2019-09-08 08:49:47,869 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 08:49:47,882 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 08:49:47,902 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 08:49:47,975 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 08:49:47,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 08:49:47,976 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 08:49:47,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 08:49:47,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 08:49:47,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 08:49:47,978 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 08:49:47,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 08:49:47,979 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 08:49:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4508 states. [2019-09-08 08:49:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2618 [2019-09-08 08:49:48,229 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 08:49:48,233 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 08:49:48,236 INFO L418 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 08:49:48,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 08:49:48,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1079862688, now seen corresponding path program 1 times [2019-09-08 08:49:48,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 08:49:48,247 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 08:49:48,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 08:49:48,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 08:49:48,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 09:02:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat