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_nxt.2.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:29:46,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:29:46,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:29:46,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:29:46,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:29:46,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:29:46,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:29:46,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:29:46,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:29:46,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:29:46,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:29:46,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:29:46,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:29:46,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:29:46,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:29:46,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:29:46,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:29:46,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:29:46,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:29:46,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:29:46,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:29:46,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:29:46,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:29:46,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:29:46,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:29:46,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:29:46,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:29:46,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:29:46,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:29:46,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:29:46,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:29:46,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:29:46,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:29:46,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:29:46,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:29:46,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:29:46,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:29:46,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:29:46,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:29:46,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:29:46,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:29:46,972 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 12:29:46,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:29:46,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:29:46,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:29:46,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:29:46,988 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:29:46,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:29:46,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:29:46,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:29:46,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:29:46,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:29:46,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:29:46,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:29:46,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:29:46,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:29:46,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:29:46,991 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:29:46,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:29:46,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:29:46,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:29:46,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:29:46,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:29:46,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:29:46,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:29:46,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:29:46,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:29:46,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:29:46,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:29:46,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:29:46,993 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 12:29:47,046 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:29:47,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:29:47,068 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:29:47,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:29:47,070 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:29:47,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-09-06 12:29:47,144 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a103c37/67e8814faab3490281b5c9186b326674/FLAGb33ead4a9 [2019-09-06 12:29:47,786 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:29:47,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-09-06 12:29:47,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a103c37/67e8814faab3490281b5c9186b326674/FLAGb33ead4a9 [2019-09-06 12:29:47,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75a103c37/67e8814faab3490281b5c9186b326674 [2019-09-06 12:29:47,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:29:47,967 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:29:47,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:29:47,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:29:47,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:29:47,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:29:47" (1/1) ... [2019-09-06 12:29:47,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5104c5cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:47, skipping insertion in model container [2019-09-06 12:29:47,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:29:47" (1/1) ... [2019-09-06 12:29:47,985 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:29:48,067 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:29:48,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:29:48,856 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:29:49,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:29:49,287 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:29:49,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49 WrapperNode [2019-09-06 12:29:49,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:29:49,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:29:49,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:29:49,289 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:29:49,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (1/1) ... [2019-09-06 12:29:49,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (1/1) ... [2019-09-06 12:29:49,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (1/1) ... [2019-09-06 12:29:49,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (1/1) ... [2019-09-06 12:29:49,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (1/1) ... [2019-09-06 12:29:49,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (1/1) ... [2019-09-06 12:29:49,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (1/1) ... [2019-09-06 12:29:49,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:29:49,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:29:49,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:29:49,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:29:49,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:29:49" (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 12:29:49,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:29:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:29:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 12:29:49,859 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-09-06 12:29:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-09-06 12:29:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-06 12:29:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-09-06 12:29:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-09-06 12:29:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-09-06 12:29:49,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-09-06 12:29:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-09-06 12:29:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-09-06 12:29:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-09-06 12:29:49,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:29:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:29:49,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:29:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:29:49,864 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-09-06 12:29:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:29:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:29:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-06 12:29:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-06 12:29:49,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-06 12:29:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-06 12:29:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-06 12:29:49,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-09-06 12:29:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-06 12:29:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-06 12:29:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-09-06 12:29:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:29:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:29:49,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-09-06 12:29:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-09-06 12:29:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:29:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-09-06 12:29:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-09-06 12:29:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-06 12:29:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-09-06 12:29:49,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-09-06 12:29:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-09-06 12:29:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-06 12:29:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-06 12:29:49,869 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-09-06 12:29:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:29:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-06 12:29:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-09-06 12:29:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-06 12:29:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-06 12:29:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-06 12:29:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:29:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:29:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 12:29:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:29:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-09-06 12:29:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-09-06 12:29:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:29:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-09-06 12:29:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-09-06 12:29:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 12:29:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 12:29:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 12:29:49,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 12:29:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-06 12:29:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:29:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:29:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:29:49,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-09-06 12:29:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-09-06 12:29:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-09-06 12:29:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-09-06 12:29:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-06 12:29:49,874 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-06 12:29:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-09-06 12:29:49,875 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-09-06 12:29:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-09-06 12:29:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-09-06 12:29:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-09-06 12:29:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-09-06 12:29:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-06 12:29:49,876 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-09-06 12:29:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-09-06 12:29:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-09-06 12:29:49,877 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-09-06 12:29:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:29:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:29:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:29:49,878 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:29:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-09-06 12:29:49,879 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-09-06 12:29:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:29:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:29:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-06 12:29:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-06 12:29:49,880 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-06 12:29:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-06 12:29:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-09-06 12:29:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:29:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:29:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 12:29:49,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:29:57,354 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:29:57,355 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 12:29:57,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:29:57 BoogieIcfgContainer [2019-09-06 12:29:57,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:29:57,358 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:29:57,358 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:29:57,358 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:29:57,360 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:29:57" (1/1) ... [2019-09-06 12:29:57,360 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 12:29:57,410 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:29:57,411 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:29:57,435 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:29:57,448 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:29:57,450 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:29:57,633 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 206 for LOIs [2019-09-06 12:29:57,711 INFO L199 IcfgInterpreter]: Interpreting procedure __startrek_hyperperiod with input of size 203 for LOIs [2019-09-06 12:30:07,404 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:07,428 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:07,458 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:07,488 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:07,758 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:07,796 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:07,836 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:07,993 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,360 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,384 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,390 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,396 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,630 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,637 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,643 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:12,650 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:23,720 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 105