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.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 13:44:01,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 13:44:01,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 13:44:01,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 13:44:01,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 13:44:01,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 13:44:01,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 13:44:01,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 13:44:01,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 13:44:01,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 13:44:01,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 13:44:01,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 13:44:01,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 13:44:01,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 13:44:01,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 13:44:01,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 13:44:01,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 13:44:01,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 13:44:01,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 13:44:01,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 13:44:01,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 13:44:01,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 13:44:01,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 13:44:01,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 13:44:01,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 13:44:01,697 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 13:44:01,697 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 13:44:01,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 13:44:01,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 13:44:01,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 13:44:01,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 13:44:01,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 13:44:01,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 13:44:01,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 13:44:01,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 13:44:01,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 13:44:01,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 13:44:01,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 13:44:01,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 13:44:01,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 13:44:01,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 13:44:01,719 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 13:44:01,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 13:44:01,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 13:44:01,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 13:44:01,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 13:44:01,746 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 13:44:01,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 13:44:01,747 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 13:44:01,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 13:44:01,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 13:44:01,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 13:44:01,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 13:44:01,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 13:44:01,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 13:44:01,749 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 13:44:01,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 13:44:01,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 13:44:01,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 13:44:01,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 13:44:01,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 13:44:01,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 13:44:01,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 13:44:01,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 13:44:01,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 13:44:01,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 13:44:01,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 13:44:01,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 13:44:01,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 13:44:01,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 13:44:01,752 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 13:44:01,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 13:44:01,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 13:44:01,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 13:44:01,813 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 13:44:01,813 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 13:44:01,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-2.c [2019-10-04 13:44:01,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03ff3f5a/cec1e5cba77b4ff1ab9727fd368374c2/FLAG0c15dc5da [2019-10-04 13:44:02,702 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 13:44:02,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M4-2.c [2019-10-04 13:44:02,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03ff3f5a/cec1e5cba77b4ff1ab9727fd368374c2/FLAG0c15dc5da [2019-10-04 13:44:03,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a03ff3f5a/cec1e5cba77b4ff1ab9727fd368374c2 [2019-10-04 13:44:03,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 13:44:03,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 13:44:03,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 13:44:03,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 13:44:03,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 13:44:03,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:44:03" (1/1) ... [2019-10-04 13:44:03,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465541b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:03, skipping insertion in model container [2019-10-04 13:44:03,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:44:03" (1/1) ... [2019-10-04 13:44:03,217 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 13:44:03,467 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 13:44:05,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:44:05,231 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 13:44:06,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:44:06,464 INFO L192 MainTranslator]: Completed translation [2019-10-04 13:44:06,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06 WrapperNode [2019-10-04 13:44:06,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 13:44:06,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 13:44:06,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 13:44:06,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 13:44:06,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (1/1) ... [2019-10-04 13:44:06,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (1/1) ... [2019-10-04 13:44:06,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (1/1) ... [2019-10-04 13:44:06,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (1/1) ... [2019-10-04 13:44:08,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (1/1) ... [2019-10-04 13:44:08,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (1/1) ... [2019-10-04 13:44:08,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (1/1) ... [2019-10-04 13:44:08,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 13:44:08,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 13:44:08,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 13:44:08,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 13:44:08,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:06" (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 13:44:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 13:44:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 13:44:08,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-04 13:44:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-04 13:44:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-04 13:44:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-04 13:44:08,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-04 13:44:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-04 13:44:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-04 13:44:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-04 13:44:08,812 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-04 13:44:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-04 13:44:08,813 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-04 13:44:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:44:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:44:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:44:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:44:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-10-04 13:44:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:44:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:44:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-04 13:44:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-04 13:44:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-04 13:44:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-04 13:44:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-04 13:44:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-04 13:44:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-10-04 13:44:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-04 13:44:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-04 13:44:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-10-04 13:44:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-10-04 13:44:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 13:44:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:44:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-04 13:44:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-10-04 13:44:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:44:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-04 13:44:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-10-04 13:44:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-04 13:44:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-04 13:44:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-04 13:44:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-10-04 13:44:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-04 13:44:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-04 13:44:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-10-04 13:44:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 13:44:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-04 13:44:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-04 13:44:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-04 13:44:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-04 13:44:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-04 13:44:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 13:44:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-04 13:44:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 13:44:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 13:44:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-04 13:44:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-04 13:44:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-04 13:44:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-04 13:44:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-04 13:44:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 13:44:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-04 13:44:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-04 13:44:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-10-04 13:44:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-10-04 13:44:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-04 13:44:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-04 13:44:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-04 13:44:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-04 13:44:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-04 13:44:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-10-04 13:44:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-04 13:44:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-04 13:44:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-04 13:44:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-04 13:44:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-04 13:44:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-04 13:44:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-04 13:44:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:44:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:44:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:44:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:44:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-10-04 13:44:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-10-04 13:44:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:44:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:44:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-04 13:44:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-04 13:44:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 13:44:08,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 13:48:24,878 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 13:48:24,878 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 13:48:24,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:48:24 BoogieIcfgContainer [2019-10-04 13:48:24,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 13:48:24,881 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 13:48:24,881 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 13:48:24,882 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 13:48:24,883 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:48:24" (1/1) ... [2019-10-04 13:48:24,883 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 13:48:24,909 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 13:48:24,909 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 13:48:24,923 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 13:48:24,930 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 13:48:24,932 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 13:48:27,478 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 783 [2019-10-04 13:48:29,753 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 127 [2019-10-04 13:48:30,019 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 805 [2019-10-04 13:48:31,617 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 827 [2019-10-04 13:48:31,850 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 827 [2019-10-04 13:48:32,226 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 250 for LOIs [2019-10-04 13:48:32,356 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-10-04 13:48:32,431 INFO L199 IcfgInterpreter]: Interpreting procedure __main with input of size 238 for LOIs