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.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:06:09,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:06:09,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:06:09,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:06:09,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:06:09,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:06:09,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:06:09,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:06:09,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:06:09,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:06:09,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:06:09,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:06:09,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:06:09,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:06:09,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:06:09,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:06:09,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:06:09,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:06:09,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:06:09,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:06:09,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:06:09,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:06:09,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:06:09,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:06:09,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:06:09,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:06:09,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:06:09,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:06:09,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:06:09,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:06:09,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:06:09,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:06:09,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:06:09,436 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:06:09,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:06:09,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:06:09,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:06:09,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:06:09,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:06:09,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:06:09,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:06:09,442 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 [2019-10-15 07:06:09,475 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:06:09,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:06:09,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:06:09,477 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:06:09,477 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:06:09,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:06:09,477 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:06:09,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:06:09,478 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:06:09,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:06:09,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:06:09,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:06:09,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:06:09,479 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:06:09,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:06:09,479 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:06:09,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:06:09,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:06:09,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:06:09,480 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:06:09,480 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:06:09,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:06:09,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:06:09,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:06:09,481 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:06:09,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:06:09,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:06:09,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:06:09,482 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 [2019-10-15 07:06:09,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:06:09,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:06:09,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:06:09,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:06:09,816 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:06:09,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-10-15 07:06:09,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b3a38e27/b4db930dddc94389a151541f31e1aaf9/FLAG7099c56fc [2019-10-15 07:06:10,566 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:06:10,567 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-10-15 07:06:10,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b3a38e27/b4db930dddc94389a151541f31e1aaf9/FLAG7099c56fc [2019-10-15 07:06:10,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b3a38e27/b4db930dddc94389a151541f31e1aaf9 [2019-10-15 07:06:10,760 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:06:10,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:06:10,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:06:10,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:06:10,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:06:10,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:10" (1/1) ... [2019-10-15 07:06:10,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a690c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10, skipping insertion in model container [2019-10-15 07:06:10,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:10" (1/1) ... [2019-10-15 07:06:10,780 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:06:10,841 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:06:11,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:06:11,633 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:06:11,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:06:11,923 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:06:11,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11 WrapperNode [2019-10-15 07:06:11,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:06:11,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:06:11,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:06:11,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:06:11,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:12,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:12,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:12,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:12,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:12,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:12,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:06:12,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:06:12,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:06:12,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:06:12,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (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 [2019-10-15 07:06:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:06:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:06:12,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-15 07:06:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-15 07:06:12,369 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-15 07:06:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-15 07:06:12,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-15 07:06:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-15 07:06:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-15 07:06:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-15 07:06:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-15 07:06:12,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-15 07:06:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-15 07:06:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-15 07:06:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-15 07:06:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-15 07:06:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-15 07:06:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-10-15 07:06:12,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-15 07:06:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-10-15 07:06:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-15 07:06:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-15 07:06:12,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-15 07:06:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-15 07:06:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-15 07:06:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-15 07:06:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-15 07:06:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-15 07:06:12,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-15 07:06:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:06:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-15 07:06:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-15 07:06:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-15 07:06:12,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-15 07:06:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-15 07:06:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-15 07:06:12,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-15 07:06:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-10-15 07:06:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-15 07:06:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-15 07:06:12,381 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-10-15 07:06:12,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:06:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-15 07:06:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-15 07:06:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-15 07:06:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-15 07:06:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-15 07:06:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 07:06:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-15 07:06:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:06:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 07:06:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-15 07:06:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-15 07:06:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-15 07:06:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 07:06:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 07:06:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 07:06:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 07:06:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 07:06:12,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 07:06:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-15 07:06:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-15 07:06:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-15 07:06:12,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-15 07:06:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-15 07:06:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-15 07:06:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-15 07:06:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-15 07:06:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-15 07:06:12,386 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-10-15 07:06:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-15 07:06:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-15 07:06:12,387 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-15 07:06:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-15 07:06:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-15 07:06:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-15 07:06:12,388 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-15 07:06:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-15 07:06:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-15 07:06:12,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-15 07:06:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-15 07:06:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-10-15 07:06:12,390 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-10-15 07:06:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-15 07:06:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-10-15 07:06:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-15 07:06:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-15 07:06:12,391 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-15 07:06:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-15 07:06:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-15 07:06:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:06:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:06:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 07:06:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:06:46,386 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:06:46,387 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 07:06:46,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:46 BoogieIcfgContainer [2019-10-15 07:06:46,389 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:06:46,390 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:06:46,390 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:06:46,390 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:06:46,392 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:46" (1/1) ... [2019-10-15 07:06:46,393 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 [2019-10-15 07:06:46,435 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:06:46,435 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:06:46,459 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:06:46,470 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:06:46,476 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:06:47,338 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2019-10-15 07:06:49,441 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 145 [2019-10-15 07:06:49,973 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2019-10-15 07:06:50,007 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 387 for LOIs [2019-10-15 07:06:50,422 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 317