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 IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:30:27,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:30:27,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:30:27,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:30:27,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:30:27,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:30:27,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:30:27,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:30:27,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:30:27,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:30:27,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:30:27,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:30:27,995 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:30:27,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:30:27,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:30:27,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:30:27,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:30:28,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:30:28,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:30:28,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:30:28,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:30:28,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:30:28,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:30:28,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:30:28,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:30:28,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:30:28,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:30:28,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:30:28,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:30:28,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:30:28,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:30:28,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:30:28,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:30:28,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:30:28,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:30:28,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:30:28,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:30:28,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:30:28,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:30:28,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:30:28,024 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:30:28,025 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 [2019-09-06 12:30:28,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:30:28,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:30:28,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:30:28,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:30:28,056 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:30:28,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:30:28,057 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:30:28,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:30:28,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:30:28,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:30:28,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:30:28,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:30:28,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:30:28,059 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:30:28,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:30:28,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:30:28,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:30:28,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:30:28,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:30:28,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:30:28,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:30:28,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:30:28,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:30:28,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:30:28,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:30:28,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:30:28,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:30:28,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:30:28,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 12:30:28,117 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:30:28,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:30:28,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:30:28,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:30:28,142 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:30:28,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-2.c [2019-09-06 12:30:28,228 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704d66790/6ef4576a239c4410a524fe4d00194369/FLAGe7eb95764 [2019-09-06 12:30:28,878 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:30:28,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M4-2.c [2019-09-06 12:30:28,903 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704d66790/6ef4576a239c4410a524fe4d00194369/FLAGe7eb95764 [2019-09-06 12:30:29,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704d66790/6ef4576a239c4410a524fe4d00194369 [2019-09-06 12:30:29,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:30:29,091 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:30:29,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:30:29,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:30:29,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:30:29,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:30:29" (1/1) ... [2019-09-06 12:30:29,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2239701f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:29, skipping insertion in model container [2019-09-06 12:30:29,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:30:29" (1/1) ... [2019-09-06 12:30:29,107 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:30:29,184 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:30:29,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:30:30,000 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:30:30,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:30:30,319 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:30:30,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30 WrapperNode [2019-09-06 12:30:30,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:30:30,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:30:30,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:30:30,322 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:30:30,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:30:30,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:30:30,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:30:30,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:30:30,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:30" (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 [2019-09-06 12:30:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:30:30,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:30:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 12:30:30,826 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-09-06 12:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-09-06 12:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-06 12:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-09-06 12:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-09-06 12:30:30,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-09-06 12:30:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-09-06 12:30:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-09-06 12:30:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-09-06 12:30:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-09-06 12:30:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:30:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:30:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:30:30,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:30:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-09-06 12:30:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:30:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:30:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-06 12:30:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-06 12:30:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-06 12:30:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-06 12:30:30,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-06 12:30:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-09-06 12:30:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-06 12:30:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-06 12:30:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-09-06 12:30:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:30:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:30:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-09-06 12:30:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-09-06 12:30:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:30:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-09-06 12:30:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-09-06 12:30:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-06 12:30:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-09-06 12:30:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-09-06 12:30:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-09-06 12:30:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-06 12:30:30,837 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-06 12:30:30,838 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-09-06 12:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-06 12:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-09-06 12:30:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-06 12:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-06 12:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-06 12:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 12:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:30:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-09-06 12:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-09-06 12:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-09-06 12:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-09-06 12:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 12:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 12:30:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 12:30:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 12:30:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-06 12:30:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:30:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:30:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:30:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-09-06 12:30:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-09-06 12:30:30,842 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-09-06 12:30:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-09-06 12:30:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-06 12:30:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-06 12:30:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-09-06 12:30:30,843 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-09-06 12:30:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-09-06 12:30:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-09-06 12:30:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-09-06 12:30:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-09-06 12:30:30,844 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-06 12:30:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-09-06 12:30:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-09-06 12:30:30,845 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-09-06 12:30:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-09-06 12:30:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:30:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:30:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:30:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:30:30,847 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-09-06 12:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-09-06 12:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-06 12:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-06 12:30:30,848 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-06 12:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-06 12:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-09-06 12:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 12:30:30,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:30:38,521 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:30:38,521 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 12:30:38,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:30:38 BoogieIcfgContainer [2019-09-06 12:30:38,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:30:38,524 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:30:38,524 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:30:38,525 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:30:38,526 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:30:38" (1/1) ... [2019-09-06 12:30:38,526 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 12:30:38,556 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:30:38,557 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:30:38,585 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:30:38,597 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:30:38,599 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:30:38,803 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 207 for LOIs [2019-09-06 12:30:51,241 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,271 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,301 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,332 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,404 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,751 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,780 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,873 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:51,987 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:52,018 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:55,875 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:55,884 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:55,890 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:55,896 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:58,080 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:58,087 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:58,109 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:58,115 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:31:07,571 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-06 12:31:26,290 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:31:33,140 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:31:39,666 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:31:51,155 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:31:57,966 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:32:04,045 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:32:15,311 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:32:22,263 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:32:29,439 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:32:45,107 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:32:52,035 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:32:58,744 WARN L188 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:33:09,118 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:33:16,195 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:33:22,961 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:33:37,910 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:33:45,272 WARN L188 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:33:52,303 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:34:07,880 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:07,907 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:07,933 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:07,960 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:07,982 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:08,229 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:08,251 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:08,314 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:08,337 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:08,447 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:08,466 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:08,485 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:34:19,236 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-06 12:34:29,979 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:34:36,709 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:34:43,666 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:34:55,018 WARN L188 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:35:01,709 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:35:08,935 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:35:20,764 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:35:27,980 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:35:35,135 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:35:50,542 WARN L188 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:35:57,685 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:36:04,888 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:36:15,333 WARN L188 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:36:22,604 WARN L188 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:36:29,698 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:36:44,440 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:36:51,467 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:36:57,754 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:37:04,233 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:04,288 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:04,309 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,410 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,437 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,487 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,550 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,572 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,594 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,616 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,635 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,682 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,698 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:07,937 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,060 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,093 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,123 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,152 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,181 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,253 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,280 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,306 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,331 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,436 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,484 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,554 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,577 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:08,622 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:37:20,453 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-06 12:37:31,079 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:37:38,381 WARN L188 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:37:45,463 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:37:57,570 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:38:04,349 WARN L188 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:38:11,239 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:38:22,825 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:38:29,732 WARN L188 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:38:36,379 WARN L188 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:38:51,871 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:38:59,340 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:39:06,147 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:39:16,919 WARN L188 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:39:23,746 WARN L188 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:39:30,793 WARN L188 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:39:45,795 WARN L188 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:39:53,053 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:39:59,696 WARN L188 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:40:06,963 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:06,999 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,071 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,103 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,174 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,201 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,227 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,251 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,275 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,297 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:40:07,815 INFO L199 IcfgInterpreter]: Interpreting procedure __startrek_hyperperiod with input of size 226 for LOIs [2019-09-06 12:43:23,839 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:43:30,568 WARN L188 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:43:37,943 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:43:49,473 WARN L188 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:43:57,548 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-06 12:44:05,107 WARN L188 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 158