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/rekh_ctm.2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:48:44,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:48:44,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:48:44,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:48:44,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:48:44,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:48:44,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:48:44,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:48:44,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:48:44,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:48:44,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:48:44,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:48:44,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:48:44,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:48:44,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:48:44,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:48:44,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:48:44,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:48:44,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:48:44,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:48:44,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:48:44,097 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:48:44,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:48:44,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:48:44,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:48:44,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:48:44,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:48:44,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:48:44,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:48:44,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:48:44,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:48:44,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:48:44,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:48:44,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:48:44,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:48:44,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:48:44,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:48:44,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:48:44,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:48:44,121 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:48:44,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:48:44,124 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 19:48:44,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:48:44,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:48:44,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:48:44,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:48:44,149 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:48:44,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:48:44,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:48:44,149 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:48:44,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:48:44,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:48:44,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:48:44,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:48:44,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:48:44,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:48:44,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:48:44,151 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:48:44,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:48:44,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:48:44,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:48:44,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:48:44,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:48:44,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:48:44,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:48:44,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:48:44,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:48:44,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:48:44,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:48:44,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:48:44,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:48:44,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:48:44,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:48:44,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:48:44,465 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:48:44,465 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:48:44,466 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2019-10-13 19:48:44,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d77304e/8c678008439a4dda81e26cccb73a01c9/FLAGe151437b1 [2019-10-13 19:48:45,280 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:48:45,281 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-1.c [2019-10-13 19:48:45,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d77304e/8c678008439a4dda81e26cccb73a01c9/FLAGe151437b1 [2019-10-13 19:48:45,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86d77304e/8c678008439a4dda81e26cccb73a01c9 [2019-10-13 19:48:45,398 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:48:45,401 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:48:45,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:48:45,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:48:45,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:48:45,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:48:45" (1/1) ... [2019-10-13 19:48:45,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1c27c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:45, skipping insertion in model container [2019-10-13 19:48:45,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:48:45" (1/1) ... [2019-10-13 19:48:45,419 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:48:45,522 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:48:46,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:48:46,458 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:48:46,874 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:48:47,106 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:48:47,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47 WrapperNode [2019-10-13 19:48:47,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:48:47,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:48:47,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:48:47,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:48:47,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (1/1) ... [2019-10-13 19:48:47,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (1/1) ... [2019-10-13 19:48:47,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (1/1) ... [2019-10-13 19:48:47,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (1/1) ... [2019-10-13 19:48:47,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (1/1) ... [2019-10-13 19:48:47,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (1/1) ... [2019-10-13 19:48:47,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (1/1) ... [2019-10-13 19:48:47,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:48:47,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:48:47,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:48:47,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:48:47,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (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 19:48:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:48:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:48:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-13 19:48:47,550 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2019-10-13 19:48:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2019-10-13 19:48:47,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2019-10-13 19:48:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2019-10-13 19:48:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2019-10-13 19:48:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-13 19:48:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-13 19:48:47,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-13 19:48:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2019-10-13 19:48:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2019-10-13 19:48:47,553 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2019-10-13 19:48:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-13 19:48:47,554 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2019-10-13 19:48:47,556 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2019-10-13 19:48:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2019-10-13 19:48:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2019-10-13 19:48:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2019-10-13 19:48:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2019-10-13 19:48:47,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2019-10-13 19:48:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2019-10-13 19:48:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2019-10-13 19:48:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2019-10-13 19:48:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2019-10-13 19:48:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2019-10-13 19:48:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2019-10-13 19:48:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-13 19:48:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-13 19:48:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-13 19:48:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-13 19:48:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-13 19:48:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2019-10-13 19:48:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-13 19:48:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-13 19:48:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-13 19:48:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-13 19:48:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:48:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-10-13 19:48:47,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2019-10-13 19:48:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2019-10-13 19:48:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2019-10-13 19:48:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2019-10-13 19:48:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2019-10-13 19:48:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2019-10-13 19:48:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2019-10-13 19:48:47,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2019-10-13 19:48:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2019-10-13 19:48:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2019-10-13 19:48:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2019-10-13 19:48:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2019-10-13 19:48:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2019-10-13 19:48:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2019-10-13 19:48:47,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2019-10-13 19:48:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2019-10-13 19:48:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2019-10-13 19:48:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2019-10-13 19:48:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2019-10-13 19:48:47,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2019-10-13 19:48:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2019-10-13 19:48:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-10-13 19:48:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2019-10-13 19:48:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2019-10-13 19:48:47,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2019-10-13 19:48:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2019-10-13 19:48:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2019-10-13 19:48:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2019-10-13 19:48:47,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2019-10-13 19:48:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2019-10-13 19:48:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2019-10-13 19:48:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2019-10-13 19:48:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2019-10-13 19:48:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2019-10-13 19:48:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2019-10-13 19:48:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2019-10-13 19:48:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2019-10-13 19:48:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2019-10-13 19:48:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2019-10-13 19:48:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2019-10-13 19:48:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2019-10-13 19:48:47,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2019-10-13 19:48:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2019-10-13 19:48:47,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-13 19:48:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:48:47,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-13 19:48:47,570 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-13 19:48:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2019-10-13 19:48:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-13 19:48:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-13 19:48:47,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-13 19:48:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-13 19:48:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 19:48:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:48:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-13 19:48:47,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-13 19:48:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-13 19:48:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-13 19:48:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:48:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-13 19:48:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-10-13 19:48:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-10-13 19:48:47,573 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2019-10-13 19:48:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2019-10-13 19:48:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2019-10-13 19:48:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2019-10-13 19:48:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2019-10-13 19:48:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2019-10-13 19:48:47,574 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2019-10-13 19:48:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2019-10-13 19:48:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2019-10-13 19:48:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2019-10-13 19:48:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2019-10-13 19:48:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2019-10-13 19:48:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2019-10-13 19:48:47,575 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2019-10-13 19:48:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2019-10-13 19:48:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2019-10-13 19:48:47,576 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2019-10-13 19:48:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2019-10-13 19:48:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2019-10-13 19:48:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2019-10-13 19:48:47,577 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2019-10-13 19:48:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-13 19:48:47,578 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-13 19:48:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-13 19:48:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2019-10-13 19:48:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2019-10-13 19:48:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2019-10-13 19:48:47,579 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2019-10-13 19:48:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2019-10-13 19:48:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2019-10-13 19:48:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2019-10-13 19:48:47,580 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2019-10-13 19:48:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2019-10-13 19:48:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2019-10-13 19:48:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2019-10-13 19:48:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2019-10-13 19:48:47,581 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2019-10-13 19:48:47,582 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2019-10-13 19:48:47,585 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2019-10-13 19:48:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2019-10-13 19:48:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2019-10-13 19:48:47,586 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2019-10-13 19:48:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2019-10-13 19:48:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2019-10-13 19:48:47,592 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2019-10-13 19:48:47,593 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2019-10-13 19:48:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2019-10-13 19:48:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2019-10-13 19:48:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2019-10-13 19:48:47,594 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2019-10-13 19:48:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2019-10-13 19:48:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2019-10-13 19:48:47,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2019-10-13 19:48:47,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:48:47,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:48:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:48:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:48:47,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:49:04,224 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:49:04,224 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:49:04,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:49:04 BoogieIcfgContainer [2019-10-13 19:49:04,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:49:04,228 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:49:04,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:49:04,231 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:49:04,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:48:45" (1/3) ... [2019-10-13 19:49:04,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6699d1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:49:04, skipping insertion in model container [2019-10-13 19:49:04,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:47" (2/3) ... [2019-10-13 19:49:04,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6699d1cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:49:04, skipping insertion in model container [2019-10-13 19:49:04,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:49:04" (3/3) ... [2019-10-13 19:49:04,234 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.2-1.c [2019-10-13 19:49:04,243 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:49:04,252 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:49:04,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:49:04,299 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:49:04,299 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:49:04,299 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:49:04,299 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:49:04,300 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:49:04,300 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:49:04,300 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:49:04,300 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:49:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states. [2019-10-13 19:49:04,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 19:49:04,354 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:49:04,356 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] [2019-10-13 19:49:04,357 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:49:04,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:49:04,363 INFO L82 PathProgramCache]: Analyzing trace with hash -586725887, now seen corresponding path program 1 times [2019-10-13 19:49:04,371 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:49:04,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006950832] [2019-10-13 19:49:04,372 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:49:04,372 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:49:04,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:49:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat