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_aso.3.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 13:49:23,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 13:49:23,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 13:49:23,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 13:49:23,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 13:49:23,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 13:49:23,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 13:49:23,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 13:49:23,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 13:49:23,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 13:49:23,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 13:49:23,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 13:49:23,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 13:49:23,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 13:49:23,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 13:49:23,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 13:49:23,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 13:49:23,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 13:49:23,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 13:49:23,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 13:49:23,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 13:49:23,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 13:49:23,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 13:49:23,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 13:49:23,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 13:49:23,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 13:49:23,659 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 13:49:23,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 13:49:23,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 13:49:23,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 13:49:23,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 13:49:23,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 13:49:23,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 13:49:23,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 13:49:23,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 13:49:23,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 13:49:23,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 13:49:23,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 13:49:23,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 13:49:23,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 13:49:23,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 13:49:23,668 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 13:49:23,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 13:49:23,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 13:49:23,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 13:49:23,687 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 13:49:23,687 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 13:49:23,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 13:49:23,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 13:49:23,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 13:49:23,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 13:49:23,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 13:49:23,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 13:49:23,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 13:49:23,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 13:49:23,691 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 13:49:23,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 13:49:23,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 13:49:23,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 13:49:23,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 13:49:23,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 13:49:23,692 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 13:49:23,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 13:49:23,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 13:49:23,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 13:49:23,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 13:49:23,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 13:49:23,694 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 13:49:23,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 13:49:23,694 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 13:49:23,695 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 13:49:23,738 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 13:49:23,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 13:49:23,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 13:49:23,753 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 13:49:23,753 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 13:49:23,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.3.M4.c [2019-10-04 13:49:23,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4523b5a/af61d4c286c84ab1bb8592c34705d2c4/FLAG85c2c18d4 [2019-10-04 13:49:24,532 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 13:49:24,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.3.M4.c [2019-10-04 13:49:24,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4523b5a/af61d4c286c84ab1bb8592c34705d2c4/FLAG85c2c18d4 [2019-10-04 13:49:24,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad4523b5a/af61d4c286c84ab1bb8592c34705d2c4 [2019-10-04 13:49:24,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 13:49:24,656 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 13:49:24,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 13:49:24,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 13:49:24,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 13:49:24,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:49:24" (1/1) ... [2019-10-04 13:49:24,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124af0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:24, skipping insertion in model container [2019-10-04 13:49:24,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:49:24" (1/1) ... [2019-10-04 13:49:24,677 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 13:49:24,781 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 13:49:25,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:49:25,706 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 13:49:26,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:49:26,222 INFO L192 MainTranslator]: Completed translation [2019-10-04 13:49:26,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26 WrapperNode [2019-10-04 13:49:26,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 13:49:26,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 13:49:26,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 13:49:26,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 13:49:26,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (1/1) ... [2019-10-04 13:49:26,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (1/1) ... [2019-10-04 13:49:26,367 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (1/1) ... [2019-10-04 13:49:26,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (1/1) ... [2019-10-04 13:49:26,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (1/1) ... [2019-10-04 13:49:26,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (1/1) ... [2019-10-04 13:49:26,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (1/1) ... [2019-10-04 13:49:26,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 13:49:26,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 13:49:26,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 13:49:26,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 13:49:26,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:49:26" (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 13:49:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 13:49:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 13:49:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-04 13:49:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-04 13:49:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-04 13:49:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-04 13:49:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-04 13:49:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-04 13:49:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-04 13:49:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-04 13:49:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-04 13:49:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-04 13:49:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-04 13:49:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-10-04 13:49:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-04 13:49:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-10-04 13:49:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:49:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:49:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:49:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:49:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-04 13:49:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-04 13:49:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-04 13:49:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-04 13:49:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-04 13:49:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-04 13:49:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-04 13:49:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-04 13:49:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-04 13:49:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 13:49:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-10-04 13:49:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:49:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-04 13:49:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-10-04 13:49:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-10-04 13:49:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2019-10-04 13:49:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-04 13:49:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-04 13:49:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-10-04 13:49:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:49:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-04 13:49:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-10-04 13:49:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-10-04 13:49:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2019-10-04 13:49:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-04 13:49:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-04 13:49:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-04 13:49:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2019-10-04 13:49:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2019-10-04 13:49:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-04 13:49:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-04 13:49:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-04 13:49:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-04 13:49:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 13:49:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-04 13:49:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-04 13:49:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-04 13:49:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-04 13:49:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-04 13:49:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 13:49:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 13:49:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-04 13:49:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 13:49:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-04 13:49:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-04 13:49:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 13:49:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-04 13:49:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2019-10-04 13:49:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2019-10-04 13:49:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-10-04 13:49:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-10-04 13:49:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-04 13:49:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-04 13:49:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 13:49:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 13:49:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 13:49:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 13:49:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-04 13:49:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:49:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:49:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-04 13:49:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-04 13:49:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-10-04 13:49:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-10-04 13:49:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-10-04 13:49:26,778 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-10-04 13:49:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2019-10-04 13:49:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2019-10-04 13:49:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-04 13:49:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-04 13:49:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-04 13:49:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-04 13:49:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-04 13:49:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-04 13:49:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-04 13:49:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-04 13:49:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-04 13:49:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-04 13:49:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-04 13:49:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-04 13:49:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-10-04 13:49:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-04 13:49:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-10-04 13:49:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-04 13:49:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-04 13:49:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:49:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:49:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-04 13:49:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-04 13:49:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:49:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:49:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-04 13:49:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-04 13:49:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-04 13:49:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-04 13:49:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-04 13:49:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 13:49:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 13:49:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 13:49:26,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 13:50:41,310 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 13:50:41,310 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 13:50:41,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:50:41 BoogieIcfgContainer [2019-10-04 13:50:41,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 13:50:41,312 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 13:50:41,313 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 13:50:41,313 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 13:50:41,314 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:50:41" (1/1) ... [2019-10-04 13:50:41,315 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 13:50:41,344 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 13:50:41,344 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 13:50:41,357 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 13:50:41,365 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 13:50:41,367 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 13:50:46,363 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2019-10-04 13:50:46,592 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2019-10-04 13:51:01,643 WARN L191 SmtUtils]: Spent 13.23 s on a formula simplification. DAG size of input: 1050 DAG size of output: 841 [2019-10-04 13:51:02,093 WARN L191 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 737 [2019-10-04 13:51:02,642 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-04 13:51:02,898 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-04 13:51:03,130 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 755 [2019-10-04 13:51:03,648 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 895 [2019-10-04 13:51:03,677 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 919 for LOIs [2019-10-04 13:51:04,562 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 166 [2019-10-04 13:51:04,637 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 14