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/rekcba_nxt.2.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 13:40:52,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 13:40:52,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 13:40:52,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 13:40:52,472 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 13:40:52,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 13:40:52,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 13:40:52,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 13:40:52,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 13:40:52,479 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 13:40:52,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 13:40:52,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 13:40:52,481 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 13:40:52,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 13:40:52,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 13:40:52,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 13:40:52,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 13:40:52,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 13:40:52,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 13:40:52,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 13:40:52,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 13:40:52,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 13:40:52,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 13:40:52,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 13:40:52,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 13:40:52,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 13:40:52,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 13:40:52,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 13:40:52,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 13:40:52,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 13:40:52,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 13:40:52,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 13:40:52,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 13:40:52,502 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 13:40:52,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 13:40:52,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 13:40:52,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 13:40:52,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 13:40:52,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 13:40:52,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 13:40:52,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 13:40:52,507 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 13:40:52,521 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 13:40:52,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 13:40:52,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 13:40:52,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 13:40:52,523 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 13:40:52,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 13:40:52,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 13:40:52,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 13:40:52,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 13:40:52,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 13:40:52,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 13:40:52,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 13:40:52,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 13:40:52,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 13:40:52,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 13:40:52,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 13:40:52,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 13:40:52,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 13:40:52,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 13:40:52,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 13:40:52,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 13:40:52,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 13:40:52,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 13:40:52,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 13:40:52,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 13:40:52,529 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 13:40:52,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 13:40:52,529 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 13:40:52,529 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 13:40:52,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 13:40:52,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 13:40:52,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 13:40:52,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 13:40:52,585 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 13:40:52,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-10-04 13:40:52,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee8072a29/4d2b12989970419695039e1b21762a06/FLAG65b018671 [2019-10-04 13:40:53,289 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 13:40:53,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-1.c [2019-10-04 13:40:53,305 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee8072a29/4d2b12989970419695039e1b21762a06/FLAG65b018671 [2019-10-04 13:40:53,530 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee8072a29/4d2b12989970419695039e1b21762a06 [2019-10-04 13:40:53,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 13:40:53,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 13:40:53,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 13:40:53,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 13:40:53,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 13:40:53,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:40:53" (1/1) ... [2019-10-04 13:40:53,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3383c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:53, skipping insertion in model container [2019-10-04 13:40:53,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:40:53" (1/1) ... [2019-10-04 13:40:53,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 13:40:53,634 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 13:40:54,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:40:54,373 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 13:40:54,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:40:54,701 INFO L192 MainTranslator]: Completed translation [2019-10-04 13:40:54,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54 WrapperNode [2019-10-04 13:40:54,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 13:40:54,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 13:40:54,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 13:40:54,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 13:40:54,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (1/1) ... [2019-10-04 13:40:54,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (1/1) ... [2019-10-04 13:40:54,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (1/1) ... [2019-10-04 13:40:54,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (1/1) ... [2019-10-04 13:40:54,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (1/1) ... [2019-10-04 13:40:54,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (1/1) ... [2019-10-04 13:40:54,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (1/1) ... [2019-10-04 13:40:54,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 13:40:54,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 13:40:54,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 13:40:54,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 13:40:54,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:40:54" (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 [2019-10-04 13:40:55,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 13:40:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 13:40:55,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-04 13:40:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-04 13:40:55,041 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-04 13:40:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-04 13:40:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-04 13:40:55,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-04 13:40:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-04 13:40:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-04 13:40:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-04 13:40:55,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-04 13:40:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-04 13:40:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:40:55,044 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:40:55,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:40:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:40:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-10-04 13:40:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:40:55,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:40:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-04 13:40:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-04 13:40:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-04 13:40:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-04 13:40:55,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-04 13:40:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-04 13:40:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-10-04 13:40:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-04 13:40:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-04 13:40:55,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-10-04 13:40:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-10-04 13:40:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 13:40:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:40:55,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-04 13:40:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-10-04 13:40:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:40:55,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-04 13:40:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-10-04 13:40:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-04 13:40:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-04 13:40:55,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-04 13:40:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-10-04 13:40:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-04 13:40:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-04 13:40:55,053 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-10-04 13:40:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 13:40:55,053 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-04 13:40:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-04 13:40:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-04 13:40:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-04 13:40:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-04 13:40:55,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 13:40:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-04 13:40:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 13:40:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 13:40:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-04 13:40:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-04 13:40:55,055 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-04 13:40:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-04 13:40:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-04 13:40:55,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 13:40:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 13:40:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 13:40:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 13:40:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-04 13:40:55,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 13:40:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:40:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:40:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-04 13:40:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-04 13:40:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-10-04 13:40:55,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-10-04 13:40:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-04 13:40:55,059 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-04 13:40:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-04 13:40:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-04 13:40:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-04 13:40:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-10-04 13:40:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-04 13:40:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-04 13:40:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-04 13:40:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-04 13:40:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-04 13:40:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-04 13:40:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-04 13:40:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:40:55,063 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:40:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:40:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:40:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-10-04 13:40:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-10-04 13:40:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:40:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:40:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-04 13:40:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-04 13:40:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-10-04 13:40:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-04 13:40:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-04 13:40:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-10-04 13:40:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-10-04 13:40:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 13:40:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 13:40:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 13:40:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 13:41:36,504 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 13:41:36,504 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 13:41:36,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:41:36 BoogieIcfgContainer [2019-10-04 13:41:36,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 13:41:36,506 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 13:41:36,506 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 13:41:36,507 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 13:41:36,508 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:41:36" (1/1) ... [2019-10-04 13:41:36,508 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 13:41:36,543 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 13:41:36,543 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 13:41:36,564 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 13:41:36,572 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 13:41:36,576 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 13:41:38,652 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2019-10-04 13:41:50,895 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 139 [2019-10-04 13:41:51,016 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-04 13:41:51,512 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-04 13:41:51,659 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-04 13:41:52,141 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2019-10-04 13:41:52,170 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 249 for LOIs [2019-10-04 13:41:52,315 INFO L199 IcfgInterpreter]: Interpreting procedure __main with input of size 237 for LOIs [2019-10-04 13:41:52,792 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 73