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/rekcba_aso.1.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:02:34,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:02:34,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:02:34,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:02:34,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:02:34,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:02:34,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:02:34,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:02:34,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:02:34,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:02:34,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:02:34,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:02:34,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:02:34,982 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:02:34,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:02:34,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:02:34,985 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:02:34,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:02:34,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:02:34,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:02:34,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:02:35,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:02:35,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:02:35,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:02:35,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:02:35,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:02:35,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:02:35,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:02:35,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:02:35,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:02:35,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:02:35,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:02:35,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:02:35,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:02:35,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:02:35,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:02:35,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:02:35,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:02:35,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:02:35,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:02:35,023 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:02:35,025 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 12:02:35,039 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:02:35,040 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:02:35,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:02:35,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:02:35,042 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:02:35,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:02:35,043 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:02:35,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:02:35,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:02:35,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:02:35,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:02:35,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:02:35,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:02:35,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:02:35,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:02:35,045 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:02:35,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:02:35,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:02:35,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:02:35,047 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:02:35,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:02:35,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:02:35,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:02:35,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:02:35,049 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:02:35,049 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:02:35,049 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:02:35,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:02:35,049 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 12:02:35,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:02:35,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:02:35,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:02:35,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:02:35,117 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:02:35,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M1-2.c [2019-09-06 12:02:35,178 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29c8323c/896503d92c1b483e9ec4d71c7ae5b25d/FLAG156600af4 [2019-09-06 12:02:35,738 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:02:35,745 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.1.M1-2.c [2019-09-06 12:02:35,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29c8323c/896503d92c1b483e9ec4d71c7ae5b25d/FLAG156600af4 [2019-09-06 12:02:36,008 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c29c8323c/896503d92c1b483e9ec4d71c7ae5b25d [2019-09-06 12:02:36,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:02:36,020 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:02:36,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:02:36,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:02:36,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:02:36,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:02:36" (1/1) ... [2019-09-06 12:02:36,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17692d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:36, skipping insertion in model container [2019-09-06 12:02:36,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:02:36" (1/1) ... [2019-09-06 12:02:36,035 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:02:36,111 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:02:36,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:02:36,891 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:02:37,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:02:37,293 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:02:37,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37 WrapperNode [2019-09-06 12:02:37,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:02:37,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:02:37,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:02:37,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:02:37,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (1/1) ... [2019-09-06 12:02:37,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (1/1) ... [2019-09-06 12:02:37,382 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (1/1) ... [2019-09-06 12:02:37,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (1/1) ... [2019-09-06 12:02:37,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (1/1) ... [2019-09-06 12:02:37,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (1/1) ... [2019-09-06 12:02:37,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (1/1) ... [2019-09-06 12:02:37,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:02:37,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:02:37,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:02:37,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:02:37,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:02:37" (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 12:02:37,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:02:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:02:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 12:02:37,700 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-09-06 12:02:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-09-06 12:02:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-06 12:02:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-09-06 12:02:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-09-06 12:02:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-09-06 12:02:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-09-06 12:02:37,702 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-09-06 12:02:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-09-06 12:02:37,703 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-09-06 12:02:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-09-06 12:02:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-09-06 12:02:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-09-06 12:02:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:02:37,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:02:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:02:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:02:37,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-06 12:02:37,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-06 12:02:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-06 12:02:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-06 12:02:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-06 12:02:37,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-09-06 12:02:37,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-09-06 12:02:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-06 12:02:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-06 12:02:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-09-06 12:02:37,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-09-06 12:02:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:02:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:02:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-09-06 12:02:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-09-06 12:02:37,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-09-06 12:02:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:02:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-09-06 12:02:37,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-09-06 12:02:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-09-06 12:02:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-06 12:02:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-09-06 12:02:37,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-09-06 12:02:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-06 12:02:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-06 12:02:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:02:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-06 12:02:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-09-06 12:02:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-06 12:02:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-06 12:02:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-06 12:02:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:02:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:02:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:02:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 12:02:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:02:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-09-06 12:02:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-09-06 12:02:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:02:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-09-06 12:02:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-09-06 12:02:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 12:02:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 12:02:37,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 12:02:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 12:02:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-06 12:02:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:02:37,718 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:02:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-09-06 12:02:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-09-06 12:02:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-09-06 12:02:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-09-06 12:02:37,719 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-09-06 12:02:37,720 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-09-06 12:02:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-06 12:02:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-06 12:02:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-09-06 12:02:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-09-06 12:02:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-09-06 12:02:37,721 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-09-06 12:02:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-09-06 12:02:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-06 12:02:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-09-06 12:02:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-09-06 12:02:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-09-06 12:02:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-09-06 12:02:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-09-06 12:02:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-09-06 12:02:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-09-06 12:02:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:02:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:02:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:02:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:02:37,726 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-06 12:02:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-06 12:02:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-09-06 12:02:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-06 12:02:37,727 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-06 12:02:37,770 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-09-06 12:02:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-09-06 12:02:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:02:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:02:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 12:02:37,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:02:43,593 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:02:43,593 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 12:02:43,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:02:43 BoogieIcfgContainer [2019-09-06 12:02:43,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:02:43,596 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:02:43,596 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:02:43,597 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:02:43,598 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:02:43" (1/1) ... [2019-09-06 12:02:43,599 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 12:02:43,634 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:02:43,634 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:02:43,647 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:02:43,659 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:02:43,661 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:02:43,856 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 221 for LOIs [2019-09-06 12:02:43,941 INFO L199 IcfgInterpreter]: Interpreting procedure __main with input of size 218 for LOIs [2019-09-06 12:04:48,825 WARN L188 SmtUtils]: Spent 2.00 m on a formula simplification. DAG size of input: 3561 DAG size of output: 1641 [2019-09-06 12:06:03,052 WARN L188 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 3100 DAG size of output: 1416 [2019-09-06 12:06:03,136 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46