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.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 07:06:09,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 07:06:09,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 07:06:09,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 07:06:09,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 07:06:09,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 07:06:09,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 07:06:09,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 07:06:09,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 07:06:09,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 07:06:09,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 07:06:09,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 07:06:09,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 07:06:09,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 07:06:09,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 07:06:09,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 07:06:09,185 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 07:06:09,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 07:06:09,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 07:06:09,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 07:06:09,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 07:06:09,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 07:06:09,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 07:06:09,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 07:06:09,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 07:06:09,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 07:06:09,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 07:06:09,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 07:06:09,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 07:06:09,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 07:06:09,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 07:06:09,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 07:06:09,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 07:06:09,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 07:06:09,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 07:06:09,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 07:06:09,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 07:06:09,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 07:06:09,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 07:06:09,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 07:06:09,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 07:06:09,221 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 [2019-10-15 07:06:09,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 07:06:09,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 07:06:09,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 07:06:09,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 07:06:09,256 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 07:06:09,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 07:06:09,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 07:06:09,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 07:06:09,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 07:06:09,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 07:06:09,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 07:06:09,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 07:06:09,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 07:06:09,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 07:06:09,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 07:06:09,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 07:06:09,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 07:06:09,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 07:06:09,261 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 07:06:09,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 07:06:09,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 07:06:09,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 07:06:09,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 07:06:09,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 07:06:09,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 07:06:09,263 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 07:06:09,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 07:06:09,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 07:06:09,263 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 [2019-10-15 07:06:09,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 07:06:09,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 07:06:09,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 07:06:09,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 07:06:09,551 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 07:06:09,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-10-15 07:06:09,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a859363/ae4aa98951a74d75a72feb71420aee55/FLAGb00bb71cd [2019-10-15 07:06:10,239 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 07:06:10,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-10-15 07:06:10,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a859363/ae4aa98951a74d75a72feb71420aee55/FLAGb00bb71cd [2019-10-15 07:06:10,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8a859363/ae4aa98951a74d75a72feb71420aee55 [2019-10-15 07:06:10,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 07:06:10,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 07:06:10,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 07:06:10,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 07:06:10,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 07:06:10,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:10" (1/1) ... [2019-10-15 07:06:10,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7180328c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:10, skipping insertion in model container [2019-10-15 07:06:10,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:10" (1/1) ... [2019-10-15 07:06:10,441 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 07:06:10,502 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 07:06:11,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:06:11,234 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 07:06:11,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 07:06:11,555 INFO L192 MainTranslator]: Completed translation [2019-10-15 07:06:11,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11 WrapperNode [2019-10-15 07:06:11,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 07:06:11,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 07:06:11,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 07:06:11,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 07:06:11,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,898 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (1/1) ... [2019-10-15 07:06:11,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 07:06:11,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 07:06:11,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 07:06:11,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 07:06:11,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:11" (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 [2019-10-15 07:06:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 07:06:12,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 07:06:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-15 07:06:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-15 07:06:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-15 07:06:12,016 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-15 07:06:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-15 07:06:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-15 07:06:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-15 07:06:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-15 07:06:12,018 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-15 07:06:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-15 07:06:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-15 07:06:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-15 07:06:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-15 07:06:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-15 07:06:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-15 07:06:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-10-15 07:06:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-15 07:06:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-10-15 07:06:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-15 07:06:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-15 07:06:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-15 07:06:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-15 07:06:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-15 07:06:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-15 07:06:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-15 07:06:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-15 07:06:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-15 07:06:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 07:06:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-15 07:06:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-15 07:06:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-10-15 07:06:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-15 07:06:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-15 07:06:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-10-15 07:06:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-15 07:06:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-15 07:06:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-15 07:06:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-10-15 07:06:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-15 07:06:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-15 07:06:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-10-15 07:06:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 07:06:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-15 07:06:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-15 07:06:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-15 07:06:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-15 07:06:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-15 07:06:12,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 07:06:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-15 07:06:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 07:06:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 07:06:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-15 07:06:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-15 07:06:12,028 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-15 07:06:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-15 07:06:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-15 07:06:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 07:06:12,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 07:06:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 07:06:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 07:06:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 07:06:12,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 07:06:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-15 07:06:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-15 07:06:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-15 07:06:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-15 07:06:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-10-15 07:06:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-10-15 07:06:12,031 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-15 07:06:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-15 07:06:12,032 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-15 07:06:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-15 07:06:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-15 07:06:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-10-15 07:06:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-15 07:06:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-15 07:06:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-15 07:06:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-15 07:06:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-15 07:06:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-15 07:06:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-15 07:06:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-15 07:06:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-15 07:06:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-15 07:06:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-15 07:06:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-10-15 07:06:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-10-15 07:06:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-10-15 07:06:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-10-15 07:06:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-15 07:06:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-15 07:06:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-15 07:06:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-15 07:06:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-15 07:06:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 07:06:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 07:06:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 07:06:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 07:06:50,422 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 07:06:50,423 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 07:06:50,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:50 BoogieIcfgContainer [2019-10-15 07:06:50,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 07:06:50,424 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-15 07:06:50,425 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-15 07:06:50,425 INFO L275 PluginConnector]: Sifa initialized [2019-10-15 07:06:50,426 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:06:50" (1/1) ... [2019-10-15 07:06:50,427 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 [2019-10-15 07:06:50,452 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-15 07:06:50,452 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 07:06:50,464 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 07:06:50,472 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 07:06:50,473 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 07:06:51,415 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2019-10-15 07:06:53,355 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 275 DAG size of output: 221 [2019-10-15 07:06:54,097 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2019-10-15 07:06:54,130 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 453 for LOIs