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.4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 05:50:37,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 05:50:37,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 05:50:37,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 05:50:37,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 05:50:37,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 05:50:37,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 05:50:37,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 05:50:37,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 05:50:37,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 05:50:37,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 05:50:37,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 05:50:37,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 05:50:37,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 05:50:37,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 05:50:37,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 05:50:37,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 05:50:37,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 05:50:37,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 05:50:37,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 05:50:37,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 05:50:37,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 05:50:37,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 05:50:37,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 05:50:37,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 05:50:37,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 05:50:37,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 05:50:37,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 05:50:37,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 05:50:37,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 05:50:37,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 05:50:37,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 05:50:37,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 05:50:37,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 05:50:37,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 05:50:37,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 05:50:37,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 05:50:37,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 05:50:37,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 05:50:37,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 05:50:37,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 05:50:37,108 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 [2019-09-10 05:50:37,129 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 05:50:37,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 05:50:37,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 05:50:37,130 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 05:50:37,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 05:50:37,131 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 05:50:37,131 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 05:50:37,132 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 05:50:37,132 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 05:50:37,132 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 05:50:37,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 05:50:37,133 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 05:50:37,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 05:50:37,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 05:50:37,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 05:50:37,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 05:50:37,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 05:50:37,134 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 05:50:37,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 05:50:37,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 05:50:37,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 05:50:37,135 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 05:50:37,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 05:50:37,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 05:50:37,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 05:50:37,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 05:50:37,136 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 05:50:37,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 05:50:37,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 05:50:37,137 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 05:50:37,167 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 05:50:37,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 05:50:37,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 05:50:37,183 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 05:50:37,184 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 05:50:37,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2019-09-10 05:50:37,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/269f0d838/cf451bf9ad8b446990c922f6e249ba9b/FLAGfc9aef20a [2019-09-10 05:50:37,887 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 05:50:37,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.4.c [2019-09-10 05:50:37,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/269f0d838/cf451bf9ad8b446990c922f6e249ba9b/FLAGfc9aef20a [2019-09-10 05:50:38,044 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/269f0d838/cf451bf9ad8b446990c922f6e249ba9b [2019-09-10 05:50:38,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 05:50:38,055 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 05:50:38,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 05:50:38,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 05:50:38,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 05:50:38,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 05:50:38" (1/1) ... [2019-09-10 05:50:38,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c543f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:38, skipping insertion in model container [2019-09-10 05:50:38,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 05:50:38" (1/1) ... [2019-09-10 05:50:38,074 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 05:50:38,183 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 05:50:39,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 05:50:39,121 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 05:50:39,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 05:50:39,534 INFO L192 MainTranslator]: Completed translation [2019-09-10 05:50:39,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39 WrapperNode [2019-09-10 05:50:39,535 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 05:50:39,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 05:50:39,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 05:50:39,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 05:50:39,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... [2019-09-10 05:50:39,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... [2019-09-10 05:50:39,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... [2019-09-10 05:50:39,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... [2019-09-10 05:50:39,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... [2019-09-10 05:50:39,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... [2019-09-10 05:50:39,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... [2019-09-10 05:50:39,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 05:50:39,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 05:50:39,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 05:50:39,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 05:50:39,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 05:50:40,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 05:50:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 05:50:40,047 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-10 05:50:40,048 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2019-09-10 05:50:40,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2019-09-10 05:50:40,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2019-09-10 05:50:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2019-09-10 05:50:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2019-09-10 05:50:40,049 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-10 05:50:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-10 05:50:40,050 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-10 05:50:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2019-09-10 05:50:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2019-09-10 05:50:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2019-09-10 05:50:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-10 05:50:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2019-09-10 05:50:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2019-09-10 05:50:40,054 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2019-09-10 05:50:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2019-09-10 05:50:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2019-09-10 05:50:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2019-09-10 05:50:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2019-09-10 05:50:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2019-09-10 05:50:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2019-09-10 05:50:40,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2019-09-10 05:50:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2019-09-10 05:50:40,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2019-09-10 05:50:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2019-09-10 05:50:40,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-10 05:50:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-10 05:50:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-10 05:50:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-10 05:50:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-10 05:50:40,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2019-09-10 05:50:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-09-10 05:50:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-10 05:50:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-10 05:50:40,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-09-10 05:50:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 05:50:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-09-10 05:50:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2019-09-10 05:50:40,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2019-09-10 05:50:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2019-09-10 05:50:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2019-09-10 05:50:40,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2019-09-10 05:50:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2019-09-10 05:50:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2019-09-10 05:50:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2019-09-10 05:50:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2019-09-10 05:50:40,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2019-09-10 05:50:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2019-09-10 05:50:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2019-09-10 05:50:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2019-09-10 05:50:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2019-09-10 05:50:40,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2019-09-10 05:50:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2019-09-10 05:50:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2019-09-10 05:50:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2019-09-10 05:50:40,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2019-09-10 05:50:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2019-09-10 05:50:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2019-09-10 05:50:40,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-09-10 05:50:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2019-09-10 05:50:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2019-09-10 05:50:40,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2019-09-10 05:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2019-09-10 05:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2019-09-10 05:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2019-09-10 05:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2019-09-10 05:50:40,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2019-09-10 05:50:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2019-09-10 05:50:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2019-09-10 05:50:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2019-09-10 05:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2019-09-10 05:50:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2019-09-10 05:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2019-09-10 05:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2019-09-10 05:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2019-09-10 05:50:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2019-09-10 05:50:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2019-09-10 05:50:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2019-09-10 05:50:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2019-09-10 05:50:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2019-09-10 05:50:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-10 05:50:40,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 05:50:40,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-10 05:50:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-09-10 05:50:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2019-09-10 05:50:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-10 05:50:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-10 05:50:40,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-10 05:50:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-10 05:50:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 05:50:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 05:50:40,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-10 05:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-10 05:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-09-10 05:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-09-10 05:50:40,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 05:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-10 05:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-09-10 05:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-09-10 05:50:40,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2019-09-10 05:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2019-09-10 05:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2019-09-10 05:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2019-09-10 05:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2019-09-10 05:50:40,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2019-09-10 05:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2019-09-10 05:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2019-09-10 05:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2019-09-10 05:50:40,081 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2019-09-10 05:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2019-09-10 05:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2019-09-10 05:50:40,082 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2019-09-10 05:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2019-09-10 05:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2019-09-10 05:50:40,083 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2019-09-10 05:50:40,084 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2019-09-10 05:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2019-09-10 05:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2019-09-10 05:50:40,085 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2019-09-10 05:50:40,086 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2019-09-10 05:50:40,087 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-10 05:50:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-10 05:50:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-10 05:50:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2019-09-10 05:50:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2019-09-10 05:50:40,088 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2019-09-10 05:50:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2019-09-10 05:50:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2019-09-10 05:50:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2019-09-10 05:50:40,089 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2019-09-10 05:50:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2019-09-10 05:50:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2019-09-10 05:50:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2019-09-10 05:50:40,090 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2019-09-10 05:50:40,091 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2019-09-10 05:50:40,092 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2019-09-10 05:50:40,095 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2019-09-10 05:50:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2019-09-10 05:50:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2019-09-10 05:50:40,096 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2019-09-10 05:50:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2019-09-10 05:50:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2019-09-10 05:50:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2019-09-10 05:50:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2019-09-10 05:50:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-10 05:50:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2019-09-10 05:50:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2019-09-10 05:50:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2019-09-10 05:50:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2019-09-10 05:50:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2019-09-10 05:50:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2019-09-10 05:50:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2019-09-10 05:50:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2019-09-10 05:50:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2019-09-10 05:50:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2019-09-10 05:50:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2019-09-10 05:50:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2019-09-10 05:50:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2019-09-10 05:50:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2019-09-10 05:50:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 05:50:40,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 05:50:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 05:50:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 05:50:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 05:50:40,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 05:51:03,992 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 05:51:03,992 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 05:51:03,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 05:51:03 BoogieIcfgContainer [2019-09-10 05:51:03,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 05:51:03,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 05:51:03,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 05:51:03,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 05:51:03,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 05:50:38" (1/3) ... [2019-09-10 05:51:04,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fab1bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 05:51:03, skipping insertion in model container [2019-09-10 05:51:04,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 05:50:39" (2/3) ... [2019-09-10 05:51:04,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fab1bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 05:51:04, skipping insertion in model container [2019-09-10 05:51:04,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 05:51:03" (3/3) ... [2019-09-10 05:51:04,002 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_ctm.4.c [2019-09-10 05:51:04,012 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 05:51:04,022 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 05:51:04,037 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 05:51:04,074 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 05:51:04,075 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 05:51:04,075 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 05:51:04,075 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 05:51:04,075 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 05:51:04,076 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 05:51:04,076 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 05:51:04,076 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 05:51:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states. [2019-09-10 05:51:04,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-10 05:51:04,170 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 05:51:04,171 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 05:51:04,174 INFO L418 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 05:51:04,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 05:51:04,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1383215873, now seen corresponding path program 1 times [2019-09-10 05:51:04,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 05:51:04,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 05:51:04,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 05:51:04,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 05:51:04,263 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 05:51:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat