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_nxt.1.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:08:52,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:08:52,359 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:08:52,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:08:52,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:08:52,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:08:52,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:08:52,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:08:52,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:08:52,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:08:52,390 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:08:52,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:08:52,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:08:52,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:08:52,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:08:52,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:08:52,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:08:52,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:08:52,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:08:52,408 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:08:52,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:08:52,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:08:52,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:08:52,417 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:08:52,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:08:52,419 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:08:52,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:08:52,421 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:08:52,422 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:08:52,423 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:08:52,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:08:52,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:08:52,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:08:52,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:08:52,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:08:52,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:08:52,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:08:52,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:08:52,429 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:08:52,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:08:52,431 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:08:52,432 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 12:08:52,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:08:52,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:08:52,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:08:52,471 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:08:52,472 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:08:52,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:08:52,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:08:52,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:08:52,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:08:52,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:08:52,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:08:52,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:08:52,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:08:52,474 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:08:52,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:08:52,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:08:52,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:08:52,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:08:52,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:08:52,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:08:52,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:08:52,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:08:52,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:08:52,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:08:52,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:08:52,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:08:52,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:08:52,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:08:52,477 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 12:08:52,522 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:08:52,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:08:52,539 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:08:52,540 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:08:52,541 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:08:52,542 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-09-06 12:08:52,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd56dbb0/1090494425fc48dea6fa722848c07276/FLAG85f4312fe [2019-09-06 12:08:53,161 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:08:53,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.1.M1-2.c [2019-09-06 12:08:53,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd56dbb0/1090494425fc48dea6fa722848c07276/FLAG85f4312fe [2019-09-06 12:08:53,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cd56dbb0/1090494425fc48dea6fa722848c07276 [2019-09-06 12:08:53,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:08:53,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:08:53,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:08:53,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:08:53,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:08:53,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:08:53" (1/1) ... [2019-09-06 12:08:53,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0b743b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:53, skipping insertion in model container [2019-09-06 12:08:53,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:08:53" (1/1) ... [2019-09-06 12:08:53,435 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:08:53,499 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:08:54,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:08:54,221 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:08:54,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:08:54,490 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:08:54,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54 WrapperNode [2019-09-06 12:08:54,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:08:54,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:08:54,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:08:54,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:08:54,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (1/1) ... [2019-09-06 12:08:54,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (1/1) ... [2019-09-06 12:08:54,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (1/1) ... [2019-09-06 12:08:54,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (1/1) ... [2019-09-06 12:08:54,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (1/1) ... [2019-09-06 12:08:54,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (1/1) ... [2019-09-06 12:08:54,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (1/1) ... [2019-09-06 12:08:54,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:08:54,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:08:54,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:08:54,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:08:54,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:08:54" (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 12:08:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:08:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:08:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 12:08:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-09-06 12:08:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-09-06 12:08:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-06 12:08:54,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-09-06 12:08:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-09-06 12:08:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-09-06 12:08:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-09-06 12:08:54,831 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-09-06 12:08:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-09-06 12:08:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-09-06 12:08:54,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-06 12:08:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:08:54,833 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:08:54,835 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-09-06 12:08:54,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-06 12:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-06 12:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-06 12:08:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-06 12:08:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-06 12:08:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-09-06 12:08:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-06 12:08:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-09-06 12:08:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-09-06 12:08:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:08:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:08:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-09-06 12:08:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:08:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-09-06 12:08:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-06 12:08:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-09-06 12:08:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-09-06 12:08:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-09-06 12:08:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-06 12:08:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-06 12:08:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-09-06 12:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:08:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-06 12:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-06 12:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-06 12:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-06 12:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:08:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 12:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-09-06 12:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-09-06 12:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 12:08:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 12:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 12:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 12:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-06 12:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:08:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-09-06 12:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-09-06 12:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-06 12:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-06 12:08:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-09-06 12:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-09-06 12:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-09-06 12:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-09-06 12:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-09-06 12:08:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-09-06 12:08:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-06 12:08:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-09-06 12:08:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-09-06 12:08:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-09-06 12:08:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-09-06 12:08:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-06 12:08:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:08:54,848 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:08:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:08:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:08:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-09-06 12:08:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-09-06 12:08:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:08:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:08:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-06 12:08:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-06 12:08:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-09-06 12:08:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-06 12:08:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-09-06 12:08:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-09-06 12:08:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:08:54,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:08:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 12:08:54,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:08:59,674 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:08:59,674 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 12:08:59,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:08:59 BoogieIcfgContainer [2019-09-06 12:08:59,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:08:59,677 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:08:59,677 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:08:59,677 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:08:59,679 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:08:59" (1/1) ... [2019-09-06 12:08:59,680 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 12:08:59,705 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:08:59,706 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:08:59,718 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:08:59,729 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:08:59,730 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:08:59,850 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 198 for LOIs [2019-09-06 12:08:59,902 INFO L199 IcfgInterpreter]: Interpreting procedure __main with input of size 195 for LOIs [2019-09-06 12:10:10,405 WARN L188 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 3100 DAG size of output: 1416 [2019-09-06 12:10:10,542 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46