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.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 13:44:11,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 13:44:11,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 13:44:11,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 13:44:11,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 13:44:11,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 13:44:11,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 13:44:11,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 13:44:11,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 13:44:11,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 13:44:11,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 13:44:11,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 13:44:11,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 13:44:11,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 13:44:11,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 13:44:11,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 13:44:11,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 13:44:11,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 13:44:11,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 13:44:11,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 13:44:11,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 13:44:11,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 13:44:11,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 13:44:11,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 13:44:11,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 13:44:11,574 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 13:44:11,574 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 13:44:11,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 13:44:11,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 13:44:11,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 13:44:11,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 13:44:11,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 13:44:11,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 13:44:11,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 13:44:11,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 13:44:11,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 13:44:11,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 13:44:11,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 13:44:11,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 13:44:11,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 13:44:11,584 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 13:44:11,584 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 13:44:11,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 13:44:11,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 13:44:11,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 13:44:11,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 13:44:11,602 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 13:44:11,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 13:44:11,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 13:44:11,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 13:44:11,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 13:44:11,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 13:44:11,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 13:44:11,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 13:44:11,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 13:44:11,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 13:44:11,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 13:44:11,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 13:44:11,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 13:44:11,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 13:44:11,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 13:44:11,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 13:44:11,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 13:44:11,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 13:44:11,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 13:44:11,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 13:44:11,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 13:44:11,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 13:44:11,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 13:44:11,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 13:44:11,607 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 13:44:11,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 13:44:11,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 13:44:11,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 13:44:11,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 13:44:11,655 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 13:44:11,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c [2019-10-04 13:44:11,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d888dddd4/0a7a38e4fa384c4bae02184fc4a6f86a/FLAGc9e4b32f2 [2019-10-04 13:44:12,441 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 13:44:12,441 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.3.M1.c [2019-10-04 13:44:12,459 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d888dddd4/0a7a38e4fa384c4bae02184fc4a6f86a/FLAGc9e4b32f2 [2019-10-04 13:44:12,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d888dddd4/0a7a38e4fa384c4bae02184fc4a6f86a [2019-10-04 13:44:12,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 13:44:12,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 13:44:12,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 13:44:12,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 13:44:12,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 13:44:12,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:44:12" (1/1) ... [2019-10-04 13:44:12,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea9ed8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:12, skipping insertion in model container [2019-10-04 13:44:12,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 01:44:12" (1/1) ... [2019-10-04 13:44:12,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 13:44:12,668 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 13:44:13,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:44:13,430 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 13:44:13,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 13:44:13,788 INFO L192 MainTranslator]: Completed translation [2019-10-04 13:44:13,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13 WrapperNode [2019-10-04 13:44:13,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 13:44:13,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 13:44:13,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 13:44:13,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 13:44:13,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (1/1) ... [2019-10-04 13:44:13,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (1/1) ... [2019-10-04 13:44:13,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (1/1) ... [2019-10-04 13:44:13,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (1/1) ... [2019-10-04 13:44:14,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (1/1) ... [2019-10-04 13:44:14,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (1/1) ... [2019-10-04 13:44:14,094 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (1/1) ... [2019-10-04 13:44:14,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 13:44:14,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 13:44:14,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 13:44:14,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 13:44:14,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 01:44:13" (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 13:44:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 13:44:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 13:44:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-04 13:44:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-04 13:44:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-04 13:44:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-04 13:44:14,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-04 13:44:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-04 13:44:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-04 13:44:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-04 13:44:14,222 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-04 13:44:14,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-04 13:44:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-04 13:44:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:44:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:44:14,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:44:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:44:14,225 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-10-04 13:44:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:44:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:44:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-04 13:44:14,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-04 13:44:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-04 13:44:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-04 13:44:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-04 13:44:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-04 13:44:14,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-10-04 13:44:14,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-04 13:44:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-04 13:44:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-10-04 13:44:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-10-04 13:44:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 13:44:14,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:44:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-04 13:44:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-10-04 13:44:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:44:14,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-04 13:44:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-10-04 13:44:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-04 13:44:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-04 13:44:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-04 13:44:14,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-10-04 13:44:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-04 13:44:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-04 13:44:14,232 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-10-04 13:44:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 13:44:14,232 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-04 13:44:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-04 13:44:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-04 13:44:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-04 13:44:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-04 13:44:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-04 13:44:14,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-04 13:44:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 13:44:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-04 13:44:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-04 13:44:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-04 13:44:14,234 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-04 13:44:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-04 13:44:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-04 13:44:14,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-04 13:44:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-04 13:44:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-04 13:44:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-04 13:44:14,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-04 13:44:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-04 13:44:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-04 13:44:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-04 13:44:14,237 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-04 13:44:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-04 13:44:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-10-04 13:44:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-10-04 13:44:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-04 13:44:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-04 13:44:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-04 13:44:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-04 13:44:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-04 13:44:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-10-04 13:44:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-04 13:44:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-04 13:44:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-04 13:44:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-04 13:44:14,241 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-04 13:44:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-04 13:44:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-04 13:44:14,242 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-04 13:44:14,243 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-04 13:44:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-04 13:44:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-04 13:44:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-10-04 13:44:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-10-04 13:44:14,244 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-04 13:44:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-10-04 13:44:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-04 13:44:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-04 13:44:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-10-04 13:44:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-04 13:44:14,245 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-04 13:44:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-10-04 13:44:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-10-04 13:44:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 13:44:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 13:44:14,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-04 13:44:14,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 13:44:59,961 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 13:44:59,961 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-04 13:44:59,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:44:59 BoogieIcfgContainer [2019-10-04 13:44:59,963 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 13:44:59,964 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 13:44:59,964 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 13:44:59,964 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 13:44:59,965 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:44:59" (1/1) ... [2019-10-04 13:44:59,966 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 13:44:59,999 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 13:44:59,999 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 13:45:00,023 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 13:45:00,032 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 13:45:00,033 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 13:45:02,406 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2019-10-04 13:45:14,678 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 139 [2019-10-04 13:45:14,819 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-04 13:45:15,291 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-04 13:45:15,416 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-04 13:45:15,910 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 249 for LOIs [2019-10-04 13:45:16,052 INFO L199 IcfgInterpreter]: Interpreting procedure __main with input of size 237 for LOIs [2019-10-04 13:45:16,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 73