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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 13:57:21,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 13:57:21,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 13:57:21,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 13:57:21,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 13:57:21,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 13:57:21,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 13:57:21,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 13:57:21,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 13:57:21,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 13:57:21,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 13:57:21,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 13:57:21,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 13:57:21,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 13:57:21,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 13:57:21,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 13:57:21,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 13:57:21,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 13:57:21,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 13:57:21,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 13:57:21,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 13:57:21,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 13:57:21,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 13:57:21,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 13:57:21,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 13:57:21,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 13:57:21,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 13:57:21,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 13:57:21,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 13:57:21,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 13:57:21,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 13:57:21,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 13:57:21,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 13:57:21,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 13:57:21,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 13:57:21,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 13:57:21,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 13:57:21,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 13:57:21,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 13:57:21,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 13:57:21,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 13:57:21,311 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 [2019-10-04 13:57:21,337 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 13:57:21,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 13:57:21,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 13:57:21,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 13:57:21,339 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 13:57:21,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 13:57:21,339 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 13:57:21,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 13:57:21,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 13:57:21,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 13:57:21,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 13:57:21,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 13:57:21,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 13:57:21,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 13:57:21,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 13:57:21,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 13:57:21,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 13:57:21,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 13:57:21,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 13:57:21,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 13:57:21,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 13:57:21,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 13:57:21,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 13:57:21,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 13:57:21,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 13:57:21,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 13:57:21,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 13:57:21,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 13:57:21,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 13:57:21,374 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 13:57:21,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 13:57:21,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 13:57:21,396 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 13:57:21,396 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 13:57:21,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c [2019-10-04 13:57:21,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25965b29e/cd966674ad124d5f8a75006dd15b9ec7/FLAG1a643ef54 [2019-10-04 13:57:22,085 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 13:57:22,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c [2019-10-04 13:57:22,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25965b29e/cd966674ad124d5f8a75006dd15b9ec7/FLAG1a643ef54 [2019-10-04 13:57:22,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25965b29e/cd966674ad124d5f8a75006dd15b9ec7 [2019-10-04 13:57:22,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 13:57:22,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 13:57:22,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 13:57:22,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 13:57:22,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 13:57:22,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:57:22" (1/1) ... [2019-10-04 13:57:22,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2837cd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:22, skipping insertion in model container [2019-10-04 13:57:22,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:57:22" (1/1) ... [2019-10-04 13:57:22,304 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 13:57:22,371 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 13:57:23,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:57:23,135 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 13:57:23,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:57:23,406 INFO L192 MainTranslator]: Completed translation [2019-10-04 13:57:23,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23 WrapperNode [2019-10-04 13:57:23,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 13:57:23,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 13:57:23,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 13:57:23,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 13:57:23,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (1/1) ... [2019-10-04 13:57:23,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (1/1) ... [2019-10-04 13:57:23,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (1/1) ... [2019-10-04 13:57:23,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (1/1) ... [2019-10-04 13:57:23,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (1/1) ... [2019-10-04 13:57:23,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (1/1) ... [2019-10-04 13:57:23,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (1/1) ... [2019-10-04 13:57:23,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 13:57:23,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 13:57:23,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 13:57:23,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 13:57:23,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:57:23" (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 [2019-10-04 13:57:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 13:57:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 13:57:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-04 13:57:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-04 13:57:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-04 13:57:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-04 13:57:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-04 13:57:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-04 13:57:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-04 13:57:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-04 13:57:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-04 13:57:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-04 13:57:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-04 13:57:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:57:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:57:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:57:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:57:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-10-04 13:57:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:57:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:57:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-04 13:57:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-04 13:57:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-04 13:57:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-04 13:57:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-04 13:57:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-04 13:57:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-04 13:57:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-04 13:57:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-04 13:57:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 13:57:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:57:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-04 13:57:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:57:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-04 13:57:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-04 13:57:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-04 13:57:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-04 13:57:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-10-04 13:57:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-04 13:57:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-04 13:57:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-10-04 13:57:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 13:57:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-04 13:57:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-04 13:57:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-04 13:57:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-04 13:57:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-04 13:57:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 13:57:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-04 13:57:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 13:57:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 13:57:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-04 13:57:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-04 13:57:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-04 13:57:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 13:57:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 13:57:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 13:57:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 13:57:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-04 13:57:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 13:57:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:57:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:57:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-04 13:57:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-04 13:57:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-04 13:57:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-04 13:57:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-04 13:57:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-04 13:57:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-04 13:57:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-10-04 13:57:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-04 13:57:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-04 13:57:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-04 13:57:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-04 13:57:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-04 13:57:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-04 13:57:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-04 13:57:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:57:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:57:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:57:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:57:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-10-04 13:57:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-10-04 13:57:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:57:23,776 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:57:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-04 13:57:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-04 13:57:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-04 13:57:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-04 13:57:23,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-04 13:57:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 13:57:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 13:57:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 13:57:23,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 13:57:58,364 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 13:57:58,364 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 13:57:58,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:57:58 BoogieIcfgContainer [2019-10-04 13:57:58,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 13:57:58,371 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 13:57:58,371 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 13:57:58,372 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 13:57:58,373 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:57:58" (1/1) ... [2019-10-04 13:57:58,374 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 13:57:58,421 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 13:57:58,426 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 13:57:58,451 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 13:57:58,463 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 13:57:58,465 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 13:57:59,308 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2019-10-04 13:58:01,507 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 145 [2019-10-04 13:58:01,622 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2019-10-04 13:58:02,184 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2019-10-04 13:58:02,204 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 388 for LOIs [2019-10-04 13:58:02,487 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2019-10-04 13:58:02,746 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2019-10-04 13:58:02,816 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-04 13:58:03,320 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5184 conjuctions. This might take some time... [2019-10-04 14:01:09,549 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:14,795 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:20,160 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:25,361 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:30,816 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:36,033 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:41,202 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:46,264 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:51,400 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:01:56,561 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:01,846 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:06,960 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:12,051 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:17,299 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:22,573 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:27,761 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:32,992 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:38,199 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:43,557 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:48,786 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:53,831 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:02:58,888 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:04,104 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:09,424 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:14,498 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:19,520 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:24,591 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:29,719 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:34,815 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:39,840 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:44,870 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:49,895 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:54,916 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:03:59,962 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:04,995 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:10,179 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:15,372 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:20,507 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:25,507 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:30,513 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:35,543 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:40,587 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:45,606 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:50,614 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:04:55,612 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:00,711 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:05,715 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:10,817 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:15,869 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:20,944 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:25,931 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:30,960 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:35,976 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:41,143 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:46,190 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:51,224 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:05:56,587 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:01,549 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:06,668 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:11,685 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:16,725 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:21,869 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:26,880 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:31,881 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:36,836 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:41,886 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:46,941 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:51,935 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:06:56,944 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:01,951 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:06,956 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:11,996 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:17,033 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:22,166 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:27,356 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:32,477 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:37,539 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:42,610 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:47,647 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:52,691 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:07:57,800 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:03,151 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:08,214 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:13,308 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:18,446 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:23,465 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:28,570 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:33,724 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:38,789 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:43,796 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:48,962 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:53,994 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:08:59,041 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:04,061 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:09,245 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:14,253 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:19,385 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:24,437 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:29,460 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:34,604 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:39,733 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:44,765 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:49,814 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:54,818 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:09:59,824 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:05,063 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:10,089 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:15,286 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:20,368 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:25,456 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:30,540 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:35,539 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:40,542 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:45,575 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:50,607 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:10:55,655 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:00,828 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:05,793 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:10,764 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:15,772 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:20,774 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:25,910 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:30,967 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:36,022 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:40,997 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-04 14:11:45,994 WARN L225 Elim1Store]: Array PQE input equivalent to false