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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 03:42:20,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 03:42:20,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 03:42:20,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 03:42:20,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 03:42:20,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 03:42:20,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 03:42:20,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 03:42:20,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 03:42:20,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 03:42:20,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 03:42:20,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 03:42:20,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 03:42:20,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 03:42:20,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 03:42:20,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 03:42:20,755 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 03:42:20,756 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 03:42:20,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 03:42:20,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 03:42:20,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 03:42:20,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 03:42:20,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 03:42:20,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 03:42:20,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 03:42:20,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 03:42:20,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 03:42:20,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 03:42:20,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 03:42:20,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 03:42:20,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 03:42:20,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 03:42:20,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 03:42:20,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 03:42:20,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 03:42:20,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 03:42:20,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 03:42:20,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 03:42:20,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 03:42:20,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 03:42:20,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 03:42:20,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 03:42:20,789 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 03:42:20,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 03:42:20,790 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 03:42:20,790 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 03:42:20,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 03:42:20,791 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 03:42:20,791 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 03:42:20,791 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 03:42:20,791 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 03:42:20,792 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 03:42:20,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 03:42:20,792 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 03:42:20,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 03:42:20,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 03:42:20,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 03:42:20,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 03:42:20,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 03:42:20,794 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 03:42:20,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 03:42:20,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 03:42:20,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 03:42:20,794 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 03:42:20,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 03:42:20,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 03:42:20,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 03:42:20,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 03:42:20,795 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 03:42:20,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 03:42:20,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 03:42:20,796 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 03:42:20,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 03:42:20,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 03:42:20,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 03:42:20,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 03:42:20,840 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 03:42:20,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2019-10-03 03:42:20,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf6f5390/cbc018f045734ce6803f211bfb73fedc/FLAG6a31431be [2019-10-03 03:42:21,591 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 03:42:21,591 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.1.c [2019-10-03 03:42:21,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf6f5390/cbc018f045734ce6803f211bfb73fedc/FLAG6a31431be [2019-10-03 03:42:21,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bf6f5390/cbc018f045734ce6803f211bfb73fedc [2019-10-03 03:42:21,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 03:42:21,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 03:42:21,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 03:42:21,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 03:42:21,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 03:42:21,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:42:21" (1/1) ... [2019-10-03 03:42:21,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4771d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:21, skipping insertion in model container [2019-10-03 03:42:21,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 03:42:21" (1/1) ... [2019-10-03 03:42:21,732 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 03:42:21,830 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 03:42:22,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 03:42:22,697 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 03:42:22,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 03:42:23,088 INFO L192 MainTranslator]: Completed translation [2019-10-03 03:42:23,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23 WrapperNode [2019-10-03 03:42:23,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 03:42:23,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 03:42:23,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 03:42:23,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 03:42:23,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (1/1) ... [2019-10-03 03:42:23,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (1/1) ... [2019-10-03 03:42:23,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (1/1) ... [2019-10-03 03:42:23,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (1/1) ... [2019-10-03 03:42:23,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (1/1) ... [2019-10-03 03:42:23,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (1/1) ... [2019-10-03 03:42:23,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (1/1) ... [2019-10-03 03:42:23,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 03:42:23,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 03:42:23,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 03:42:23,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 03:42:23,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (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 [2019-10-03 03:42:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 03:42:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 03:42:23,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-03 03:42:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2019-10-03 03:42:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2019-10-03 03:42:23,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2019-10-03 03:42:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2019-10-03 03:42:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2019-10-03 03:42:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-03 03:42:23,546 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-03 03:42:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-03 03:42:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2019-10-03 03:42:23,548 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2019-10-03 03:42:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2019-10-03 03:42:23,549 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-03 03:42:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2019-10-03 03:42:23,550 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2019-10-03 03:42:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2019-10-03 03:42:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2019-10-03 03:42:23,551 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2019-10-03 03:42:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2019-10-03 03:42:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2019-10-03 03:42:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2019-10-03 03:42:23,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2019-10-03 03:42:23,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2019-10-03 03:42:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2019-10-03 03:42:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2019-10-03 03:42:23,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2019-10-03 03:42:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-03 03:42:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-03 03:42:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-03 03:42:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-03 03:42:23,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-03 03:42:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2019-10-03 03:42:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-03 03:42:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-03 03:42:23,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-03 03:42:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-03 03:42:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 03:42:23,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-10-03 03:42:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2019-10-03 03:42:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2019-10-03 03:42:23,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2019-10-03 03:42:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2019-10-03 03:42:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2019-10-03 03:42:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2019-10-03 03:42:23,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2019-10-03 03:42:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2019-10-03 03:42:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2019-10-03 03:42:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2019-10-03 03:42:23,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2019-10-03 03:42:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2019-10-03 03:42:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2019-10-03 03:42:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2019-10-03 03:42:23,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2019-10-03 03:42:23,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2019-10-03 03:42:23,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2019-10-03 03:42:23,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2019-10-03 03:42:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2019-10-03 03:42:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2019-10-03 03:42:23,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2019-10-03 03:42:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-10-03 03:42:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2019-10-03 03:42:23,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2019-10-03 03:42:23,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2019-10-03 03:42:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2019-10-03 03:42:23,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2019-10-03 03:42:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2019-10-03 03:42:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2019-10-03 03:42:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2019-10-03 03:42:23,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2019-10-03 03:42:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2019-10-03 03:42:23,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2019-10-03 03:42:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2019-10-03 03:42:23,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2019-10-03 03:42:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2019-10-03 03:42:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2019-10-03 03:42:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2019-10-03 03:42:23,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2019-10-03 03:42:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2019-10-03 03:42:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2019-10-03 03:42:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2019-10-03 03:42:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2019-10-03 03:42:23,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-03 03:42:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 03:42:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-03 03:42:23,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-03 03:42:23,577 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2019-10-03 03:42:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-03 03:42:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-03 03:42:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-03 03:42:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-03 03:42:23,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 03:42:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 03:42:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-03 03:42:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-03 03:42:23,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-03 03:42:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-03 03:42:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 03:42:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-03 03:42:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-10-03 03:42:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-10-03 03:42:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2019-10-03 03:42:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2019-10-03 03:42:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2019-10-03 03:42:23,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2019-10-03 03:42:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2019-10-03 03:42:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2019-10-03 03:42:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2019-10-03 03:42:23,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2019-10-03 03:42:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2019-10-03 03:42:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2019-10-03 03:42:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2019-10-03 03:42:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2019-10-03 03:42:23,583 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2019-10-03 03:42:23,584 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2019-10-03 03:42:23,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2019-10-03 03:42:23,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2019-10-03 03:42:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2019-10-03 03:42:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2019-10-03 03:42:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2019-10-03 03:42:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2019-10-03 03:42:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2019-10-03 03:42:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-03 03:42:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-03 03:42:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-03 03:42:23,592 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2019-10-03 03:42:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2019-10-03 03:42:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2019-10-03 03:42:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2019-10-03 03:42:23,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2019-10-03 03:42:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2019-10-03 03:42:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2019-10-03 03:42:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2019-10-03 03:42:23,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2019-10-03 03:42:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2019-10-03 03:42:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2019-10-03 03:42:23,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2019-10-03 03:42:23,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2019-10-03 03:42:23,600 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2019-10-03 03:42:23,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2019-10-03 03:42:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2019-10-03 03:42:23,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2019-10-03 03:42:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2019-10-03 03:42:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2019-10-03 03:42:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2019-10-03 03:42:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2019-10-03 03:42:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-03 03:42:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2019-10-03 03:42:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2019-10-03 03:42:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2019-10-03 03:42:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2019-10-03 03:42:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2019-10-03 03:42:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2019-10-03 03:42:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2019-10-03 03:42:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2019-10-03 03:42:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2019-10-03 03:42:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2019-10-03 03:42:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2019-10-03 03:42:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2019-10-03 03:42:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2019-10-03 03:42:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2019-10-03 03:42:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2019-10-03 03:42:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2019-10-03 03:42:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2019-10-03 03:42:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2019-10-03 03:42:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2019-10-03 03:42:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2019-10-03 03:42:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2019-10-03 03:42:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-03 03:42:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 03:42:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 03:42:23,617 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-03 03:42:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-03 03:42:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-03 03:42:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-03 03:42:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 03:42:23,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 03:42:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 03:42:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 03:42:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 03:42:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 03:42:37,788 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 03:42:37,788 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-03 03:42:37,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:42:37 BoogieIcfgContainer [2019-10-03 03:42:37,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 03:42:37,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 03:42:37,792 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 03:42:37,794 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 03:42:37,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 03:42:21" (1/3) ... [2019-10-03 03:42:37,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3138f790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:42:37, skipping insertion in model container [2019-10-03 03:42:37,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 03:42:23" (2/3) ... [2019-10-03 03:42:37,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3138f790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 03:42:37, skipping insertion in model container [2019-10-03 03:42:37,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 03:42:37" (3/3) ... [2019-10-03 03:42:37,797 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.1.c [2019-10-03 03:42:37,807 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 03:42:37,815 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 03:42:37,831 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 03:42:37,855 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 03:42:37,855 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 03:42:37,856 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 03:42:37,856 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 03:42:37,856 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 03:42:37,856 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 03:42:37,856 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 03:42:37,856 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 03:42:37,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states. [2019-10-03 03:42:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-03 03:42:37,905 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 03:42:37,906 INFO L411 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] [2019-10-03 03:42:37,908 INFO L418 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 03:42:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 03:42:37,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1013924125, now seen corresponding path program 1 times [2019-10-03 03:42:37,916 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 03:42:37,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 03:42:37,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 03:42:37,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 03:42:37,991 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 03:42:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat