/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 11:04:02,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 11:04:02,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 11:04:02,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 11:04:02,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 11:04:02,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 11:04:02,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 11:04:02,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 11:04:02,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 11:04:02,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 11:04:02,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 11:04:02,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 11:04:02,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 11:04:02,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 11:04:02,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 11:04:02,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 11:04:02,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 11:04:02,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 11:04:02,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 11:04:02,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 11:04:02,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 11:04:02,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 11:04:02,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 11:04:02,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 11:04:02,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 11:04:02,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 11:04:02,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 11:04:02,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 11:04:02,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 11:04:02,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 11:04:02,667 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 11:04:02,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 11:04:02,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 11:04:02,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 11:04:02,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 11:04:02,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 11:04:02,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 11:04:02,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 11:04:02,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 11:04:02,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 11:04:02,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 11:04:02,676 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 [2019-11-07 11:04:02,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 11:04:02,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 11:04:02,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 11:04:02,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 11:04:02,701 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 11:04:02,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 11:04:02,701 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 11:04:02,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 11:04:02,702 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 11:04:02,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 11:04:02,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 11:04:02,703 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 11:04:02,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 11:04:02,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 11:04:02,704 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 11:04:02,704 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 11:04:02,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 11:04:02,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 11:04:02,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 11:04:02,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 11:04:02,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 11:04:02,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 11:04:02,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 11:04:02,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 11:04:02,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 11:04:02,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 11:04:02,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 11:04:02,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 11:04:02,707 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 [2019-11-07 11:04:02,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 11:04:02,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 11:04:02,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 11:04:02,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 11:04:02,998 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 11:04:02,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c [2019-11-07 11:04:03,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2085d23d5/1cc2256970804fea980e9e1af71ad691/FLAG2b04410ca [2019-11-07 11:04:03,718 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 11:04:03,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-1.c [2019-11-07 11:04:03,740 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2085d23d5/1cc2256970804fea980e9e1af71ad691/FLAG2b04410ca [2019-11-07 11:04:03,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2085d23d5/1cc2256970804fea980e9e1af71ad691 [2019-11-07 11:04:03,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 11:04:03,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 11:04:03,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 11:04:03,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 11:04:03,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 11:04:03,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:04:03" (1/1) ... [2019-11-07 11:04:03,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2101fe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:03, skipping insertion in model container [2019-11-07 11:04:03,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:04:03" (1/1) ... [2019-11-07 11:04:03,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 11:04:04,020 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 11:04:04,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:04:04,762 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 11:04:04,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 11:04:05,042 INFO L192 MainTranslator]: Completed translation [2019-11-07 11:04:05,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05 WrapperNode [2019-11-07 11:04:05,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 11:04:05,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 11:04:05,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 11:04:05,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 11:04:05,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (1/1) ... [2019-11-07 11:04:05,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (1/1) ... [2019-11-07 11:04:05,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (1/1) ... [2019-11-07 11:04:05,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (1/1) ... [2019-11-07 11:04:05,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (1/1) ... [2019-11-07 11:04:05,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (1/1) ... [2019-11-07 11:04:05,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (1/1) ... [2019-11-07 11:04:05,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 11:04:05,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 11:04:05,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 11:04:05,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 11:04:05,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:04:05" (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 [2019-11-07 11:04:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 11:04:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 11:04:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-11-07 11:04:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-11-07 11:04:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-11-07 11:04:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-11-07 11:04:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-11-07 11:04:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-11-07 11:04:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-11-07 11:04:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-11-07 11:04:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-11-07 11:04:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-11-07 11:04:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-11-07 11:04:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 11:04:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 11:04:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 11:04:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 11:04:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-11-07 11:04:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-07 11:04:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-11-07 11:04:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-11-07 11:04:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-11-07 11:04:05,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-11-07 11:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-11-07 11:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-11-07 11:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-11-07 11:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-11-07 11:04:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-11-07 11:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-11-07 11:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 11:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-11-07 11:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-11-07 11:04:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-11-07 11:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-11-07 11:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-11-07 11:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-11-07 11:04:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-11-07 11:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-11-07 11:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-11-07 11:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-11-07 11:04:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-11-07 11:04:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 11:04:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-11-07 11:04:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-11-07 11:04:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-11-07 11:04:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-11-07 11:04:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-11-07 11:04:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 11:04:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 11:04:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 11:04:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 11:04:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 11:04:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-11-07 11:04:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-11-07 11:04:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 11:04:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 11:04:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 11:04:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 11:04:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 11:04:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 11:04:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-11-07 11:04:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-11-07 11:04:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-11-07 11:04:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-11-07 11:04:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-11-07 11:04:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-11-07 11:04:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-11-07 11:04:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-11-07 11:04:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-11-07 11:04:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-11-07 11:04:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-11-07 11:04:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-11-07 11:04:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-11-07 11:04:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-11-07 11:04:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-11-07 11:04:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-11-07 11:04:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-11-07 11:04:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 11:04:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 11:04:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 11:04:05,473 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 11:04:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-11-07 11:04:05,474 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-11-07 11:04:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-07 11:04:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-11-07 11:04:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-11-07 11:04:05,475 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-11-07 11:04:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-11-07 11:04:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-11-07 11:04:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-11-07 11:04:05,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 11:04:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 11:04:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 11:04:05,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 11:04:39,980 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 11:04:39,981 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 11:04:39,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:04:39 BoogieIcfgContainer [2019-11-07 11:04:39,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 11:04:39,982 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 11:04:39,982 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 11:04:39,983 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 11:04:39,984 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:04:39" (1/1) ... [2019-11-07 11:04:39,985 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 [2019-11-07 11:04:40,010 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 11:04:40,011 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 11:04:40,022 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 11:04:40,030 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 11:04:40,031 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 11:04:40,635 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2019-11-07 11:04:42,540 WARN L191 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 145 [2019-11-07 11:04:42,656 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2019-11-07 11:04:42,806 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 312 for LOIs [2019-11-07 11:04:43,262 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-11-07 11:04:43,583 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5184 conjuctions. This might take some time...