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.4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 15:58:01,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 15:58:01,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 15:58:01,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 15:58:01,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 15:58:01,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 15:58:01,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 15:58:01,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 15:58:01,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 15:58:01,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 15:58:01,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 15:58:01,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 15:58:01,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 15:58:01,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 15:58:01,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 15:58:01,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 15:58:01,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 15:58:01,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 15:58:01,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 15:58:01,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 15:58:01,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 15:58:01,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 15:58:01,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 15:58:01,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 15:58:01,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 15:58:01,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 15:58:01,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 15:58:01,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 15:58:01,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 15:58:01,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 15:58:01,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 15:58:01,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 15:58:01,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 15:58:01,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 15:58:01,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 15:58:01,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 15:58:01,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 15:58:01,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 15:58:01,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 15:58:01,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 15:58:01,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 15:58:01,738 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 [2019-10-02 15:58:01,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 15:58:01,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 15:58:01,772 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 15:58:01,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 15:58:01,772 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 15:58:01,773 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 15:58:01,773 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 15:58:01,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 15:58:01,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 15:58:01,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 15:58:01,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 15:58:01,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 15:58:01,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 15:58:01,774 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 15:58:01,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 15:58:01,775 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 15:58:01,775 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 15:58:01,775 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 15:58:01,775 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 15:58:01,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 15:58:01,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 15:58:01,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 15:58:01,776 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 15:58:01,776 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 15:58:01,777 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 15:58:01,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 15:58:01,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 15:58:01,777 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 15:58:01,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 15:58:01,814 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 15:58:01,823 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 15:58:01,826 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 15:58:01,828 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 15:58:01,828 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 15:58:01,829 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2019-10-02 15:58:01,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f708e6e3/43986847739543d996f2137f2475263e/FLAGcff24a5d8 [2019-10-02 15:58:02,513 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 15:58:02,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2019-10-02 15:58:02,537 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f708e6e3/43986847739543d996f2137f2475263e/FLAGcff24a5d8 [2019-10-02 15:58:02,652 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f708e6e3/43986847739543d996f2137f2475263e [2019-10-02 15:58:02,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 15:58:02,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 15:58:02,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 15:58:02,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 15:58:02,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 15:58:02,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 03:58:02" (1/1) ... [2019-10-02 15:58:02,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e270d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:02, skipping insertion in model container [2019-10-02 15:58:02,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 03:58:02" (1/1) ... [2019-10-02 15:58:02,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 15:58:02,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 15:58:03,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 15:58:03,782 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 15:58:04,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 15:58:04,276 INFO L192 MainTranslator]: Completed translation [2019-10-02 15:58:04,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04 WrapperNode [2019-10-02 15:58:04,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 15:58:04,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 15:58:04,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 15:58:04,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 15:58:04,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (1/1) ... [2019-10-02 15:58:04,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (1/1) ... [2019-10-02 15:58:04,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (1/1) ... [2019-10-02 15:58:04,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (1/1) ... [2019-10-02 15:58:04,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (1/1) ... [2019-10-02 15:58:04,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (1/1) ... [2019-10-02 15:58:04,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (1/1) ... [2019-10-02 15:58:04,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 15:58:04,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 15:58:04,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 15:58:04,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 15:58:04,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (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 [2019-10-02 15:58:04,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 15:58:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 15:58:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-02 15:58:04,814 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2019-10-02 15:58:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2019-10-02 15:58:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2019-10-02 15:58:04,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2019-10-02 15:58:04,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2019-10-02 15:58:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-02 15:58:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-02 15:58:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-02 15:58:04,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2019-10-02 15:58:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2019-10-02 15:58:04,819 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2019-10-02 15:58:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-02 15:58:04,820 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2019-10-02 15:58:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2019-10-02 15:58:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2019-10-02 15:58:04,824 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2019-10-02 15:58:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2019-10-02 15:58:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2019-10-02 15:58:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2019-10-02 15:58:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2019-10-02 15:58:04,825 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2019-10-02 15:58:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2019-10-02 15:58:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2019-10-02 15:58:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2019-10-02 15:58:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2019-10-02 15:58:04,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-02 15:58:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-02 15:58:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-02 15:58:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-02 15:58:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-02 15:58:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2019-10-02 15:58:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-02 15:58:04,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2019-10-02 15:58:04,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2019-10-02 15:58:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2019-10-02 15:58:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2019-10-02 15:58:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2019-10-02 15:58:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2019-10-02 15:58:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2019-10-02 15:58:04,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2019-10-02 15:58:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2019-10-02 15:58:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2019-10-02 15:58:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2019-10-02 15:58:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2019-10-02 15:58:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2019-10-02 15:58:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2019-10-02 15:58:04,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2019-10-02 15:58:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2019-10-02 15:58:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2019-10-02 15:58:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2019-10-02 15:58:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2019-10-02 15:58:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-10-02 15:58:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2019-10-02 15:58:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2019-10-02 15:58:04,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2019-10-02 15:58:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2019-10-02 15:58:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2019-10-02 15:58:04,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2019-10-02 15:58:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2019-10-02 15:58:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2019-10-02 15:58:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2019-10-02 15:58:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2019-10-02 15:58:04,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2019-10-02 15:58:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2019-10-02 15:58:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2019-10-02 15:58:04,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2019-10-02 15:58:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2019-10-02 15:58:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2019-10-02 15:58:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2019-10-02 15:58:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2019-10-02 15:58:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2019-10-02 15:58:04,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2019-10-02 15:58:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2019-10-02 15:58:04,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-02 15:58:04,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 15:58:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-02 15:58:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-02 15:58:04,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2019-10-02 15:58:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-02 15:58:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-02 15:58:04,839 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-02 15:58:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-10-02 15:58:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-02 15:58:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 15:58:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-02 15:58:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-02 15:58:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-02 15:58:04,840 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-02 15:58:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-02 15:58:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-02 15:58:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-10-02 15:58:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-10-02 15:58:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2019-10-02 15:58:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2019-10-02 15:58:04,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2019-10-02 15:58:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2019-10-02 15:58:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2019-10-02 15:58:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2019-10-02 15:58:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2019-10-02 15:58:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2019-10-02 15:58:04,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2019-10-02 15:58:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2019-10-02 15:58:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2019-10-02 15:58:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2019-10-02 15:58:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2019-10-02 15:58:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2019-10-02 15:58:04,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2019-10-02 15:58:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2019-10-02 15:58:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2019-10-02 15:58:04,844 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2019-10-02 15:58:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2019-10-02 15:58:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2019-10-02 15:58:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2019-10-02 15:58:04,845 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-02 15:58:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-02 15:58:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-02 15:58:04,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2019-10-02 15:58:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2019-10-02 15:58:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2019-10-02 15:58:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2019-10-02 15:58:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2019-10-02 15:58:04,847 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2019-10-02 15:58:04,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2019-10-02 15:58:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2019-10-02 15:58:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2019-10-02 15:58:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2019-10-02 15:58:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2019-10-02 15:58:04,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2019-10-02 15:58:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2019-10-02 15:58:04,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2019-10-02 15:58:04,855 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2019-10-02 15:58:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2019-10-02 15:58:04,856 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2019-10-02 15:58:04,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2019-10-02 15:58:04,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2019-10-02 15:58:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2019-10-02 15:58:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2019-10-02 15:58:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-02 15:58:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2019-10-02 15:58:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2019-10-02 15:58:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2019-10-02 15:58:04,862 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2019-10-02 15:58:04,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2019-10-02 15:58:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2019-10-02 15:58:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2019-10-02 15:58:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2019-10-02 15:58:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2019-10-02 15:58:04,864 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2019-10-02 15:58:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2019-10-02 15:58:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2019-10-02 15:58:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2019-10-02 15:58:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2019-10-02 15:58:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-02 15:58:04,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 15:58:04,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 15:58:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 15:58:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 15:58:04,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 15:58:26,341 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 15:58:26,341 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-02 15:58:26,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 03:58:26 BoogieIcfgContainer [2019-10-02 15:58:26,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 15:58:26,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 15:58:26,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 15:58:26,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 15:58:26,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 03:58:02" (1/3) ... [2019-10-02 15:58:26,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43512e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 03:58:26, skipping insertion in model container [2019-10-02 15:58:26,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 03:58:04" (2/3) ... [2019-10-02 15:58:26,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43512e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 03:58:26, skipping insertion in model container [2019-10-02 15:58:26,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 03:58:26" (3/3) ... [2019-10-02 15:58:26,354 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.4.c [2019-10-02 15:58:26,363 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 15:58:26,372 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-02 15:58:26,388 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-02 15:58:26,430 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 15:58:26,430 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 15:58:26,430 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 15:58:26,430 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 15:58:26,431 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 15:58:26,431 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 15:58:26,431 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 15:58:26,431 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 15:58:26,431 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 15:58:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states. [2019-10-02 15:58:26,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-02 15:58:26,484 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 15:58:26,486 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] [2019-10-02 15:58:26,488 INFO L418 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 15:58:26,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 15:58:26,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1383215873, now seen corresponding path program 1 times [2019-10-02 15:58:26,497 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 15:58:26,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 15:58:26,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 15:58:26,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 15:58:26,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 15:58:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat