java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:19:59,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:19:59,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:19:59,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:19:59,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:19:59,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:19:59,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:19:59,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:19:59,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:19:59,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:19:59,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:19:59,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:19:59,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:19:59,967 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:19:59,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:19:59,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:19:59,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:19:59,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:19:59,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:19:59,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:19:59,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:19:59,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:19:59,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:19:59,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:19:59,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:19:59,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:19:59,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:19:59,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:19:59,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:19:59,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:19:59,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:19:59,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:19:59,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:19:59,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:19:59,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:19:59,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:19:59,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:19:59,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:19:59,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:19:59,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:19:59,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:19:59,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 12:20:00,003 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:20:00,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:20:00,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:20:00,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:20:00,005 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:20:00,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:20:00,005 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:20:00,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:20:00,006 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:20:00,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:20:00,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:20:00,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:20:00,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:20:00,007 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:20:00,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:20:00,007 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:20:00,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:20:00,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:20:00,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:20:00,008 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:20:00,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:20:00,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:20:00,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:20:00,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:20:00,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:20:00,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:20:00,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:20:00,010 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:20:00,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 12:20:00,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:20:00,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:20:00,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:20:00,058 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:20:00,059 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:20:00,059 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2019-09-06 12:20:00,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8858c0279/0056b79950404fb2951a8edda9a4d7db/FLAGbd223f512 [2019-09-06 12:20:00,782 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:20:00,783 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.2-2.c [2019-09-06 12:20:00,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8858c0279/0056b79950404fb2951a8edda9a4d7db/FLAGbd223f512 [2019-09-06 12:20:00,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8858c0279/0056b79950404fb2951a8edda9a4d7db [2019-09-06 12:20:00,979 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:20:00,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:20:00,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:20:00,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:20:00,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:20:00,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:20:00" (1/1) ... [2019-09-06 12:20:00,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ab1fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:00, skipping insertion in model container [2019-09-06 12:20:00,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:20:00" (1/1) ... [2019-09-06 12:20:00,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:20:01,103 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:20:02,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:20:02,165 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:20:02,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:20:02,599 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:20:02,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02 WrapperNode [2019-09-06 12:20:02,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:20:02,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:20:02,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:20:02,601 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:20:02,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (1/1) ... [2019-09-06 12:20:02,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (1/1) ... [2019-09-06 12:20:02,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (1/1) ... [2019-09-06 12:20:02,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (1/1) ... [2019-09-06 12:20:02,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (1/1) ... [2019-09-06 12:20:02,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (1/1) ... [2019-09-06 12:20:02,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (1/1) ... [2019-09-06 12:20:02,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:20:02,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:20:02,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:20:02,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:20:02,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:20:02" (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 [2019-09-06 12:20:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:20:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:20:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 12:20:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2019-09-06 12:20:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2019-09-06 12:20:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2019-09-06 12:20:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2019-09-06 12:20:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2019-09-06 12:20:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-06 12:20:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-06 12:20:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-06 12:20:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2019-09-06 12:20:02,995 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2019-09-06 12:20:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2019-09-06 12:20:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 12:20:02,996 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2019-09-06 12:20:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2019-09-06 12:20:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2019-09-06 12:20:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2019-09-06 12:20:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2019-09-06 12:20:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2019-09-06 12:20:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2019-09-06 12:20:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2019-09-06 12:20:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2019-09-06 12:20:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2019-09-06 12:20:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2019-09-06 12:20:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2019-09-06 12:20:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2019-09-06 12:20:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-06 12:20:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-06 12:20:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-06 12:20:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-06 12:20:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-06 12:20:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2019-09-06 12:20:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-09-06 12:20:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-06 12:20:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-06 12:20:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-09-06 12:20:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:20:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-09-06 12:20:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2019-09-06 12:20:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2019-09-06 12:20:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2019-09-06 12:20:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2019-09-06 12:20:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2019-09-06 12:20:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2019-09-06 12:20:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2019-09-06 12:20:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2019-09-06 12:20:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2019-09-06 12:20:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2019-09-06 12:20:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2019-09-06 12:20:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2019-09-06 12:20:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2019-09-06 12:20:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2019-09-06 12:20:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2019-09-06 12:20:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2019-09-06 12:20:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2019-09-06 12:20:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2019-09-06 12:20:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2019-09-06 12:20:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2019-09-06 12:20:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2019-09-06 12:20:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-09-06 12:20:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2019-09-06 12:20:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2019-09-06 12:20:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2019-09-06 12:20:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2019-09-06 12:20:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2019-09-06 12:20:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2019-09-06 12:20:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2019-09-06 12:20:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2019-09-06 12:20:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2019-09-06 12:20:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2019-09-06 12:20:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2019-09-06 12:20:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2019-09-06 12:20:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2019-09-06 12:20:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2019-09-06 12:20:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2019-09-06 12:20:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2019-09-06 12:20:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2019-09-06 12:20:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2019-09-06 12:20:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2019-09-06 12:20:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2019-09-06 12:20:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2019-09-06 12:20:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-06 12:20:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:20:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-06 12:20:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-09-06 12:20:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2019-09-06 12:20:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-06 12:20:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-06 12:20:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-06 12:20:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-06 12:20:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:20:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 12:20:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:20:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:20:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-09-06 12:20:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-09-06 12:20:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:20:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:20:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2019-09-06 12:20:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2019-09-06 12:20:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2019-09-06 12:20:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2019-09-06 12:20:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2019-09-06 12:20:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2019-09-06 12:20:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2019-09-06 12:20:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2019-09-06 12:20:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2019-09-06 12:20:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2019-09-06 12:20:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2019-09-06 12:20:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2019-09-06 12:20:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2019-09-06 12:20:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2019-09-06 12:20:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2019-09-06 12:20:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2019-09-06 12:20:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-06 12:20:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-06 12:20:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-06 12:20:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2019-09-06 12:20:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2019-09-06 12:20:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2019-09-06 12:20:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2019-09-06 12:20:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2019-09-06 12:20:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2019-09-06 12:20:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2019-09-06 12:20:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2019-09-06 12:20:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2019-09-06 12:20:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2019-09-06 12:20:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2019-09-06 12:20:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2019-09-06 12:20:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2019-09-06 12:20:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2019-09-06 12:20:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2019-09-06 12:20:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2019-09-06 12:20:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2019-09-06 12:20:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2019-09-06 12:20:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2019-09-06 12:20:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2019-09-06 12:20:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2019-09-06 12:20:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2019-09-06 12:20:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2019-09-06 12:20:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2019-09-06 12:20:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2019-09-06 12:20:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2019-09-06 12:20:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2019-09-06 12:20:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2019-09-06 12:20:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2019-09-06 12:20:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2019-09-06 12:20:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2019-09-06 12:20:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2019-09-06 12:20:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2019-09-06 12:20:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2019-09-06 12:20:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-09-06 12:20:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:20:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:20:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 12:20:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 12:20:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:20:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 12:20:16,276 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:20:16,277 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 12:20:16,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:20:16 BoogieIcfgContainer [2019-09-06 12:20:16,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:20:16,279 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:20:16,279 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:20:16,280 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:20:16,281 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:20:16" (1/1) ... [2019-09-06 12:20:16,281 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 12:20:16,311 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:20:16,311 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:20:16,330 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:20:16,341 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:20:16,342 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:20:16,607 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 379 for LOIs [2019-09-06 12:20:32,655 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:20:32,751 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:20:32,840 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:20:32,914 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:20:33,173 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:20:33,286 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:21:45,738 WARN L188 SmtUtils]: Spent 56.19 s on a formula simplification. DAG size of input: 1387 DAG size of output: 1289 [2019-09-06 12:21:45,830 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 359