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 -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 13:31:42,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 13:31:42,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 13:31:42,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 13:31:42,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 13:31:42,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 13:31:42,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 13:31:42,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 13:31:42,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 13:31:42,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 13:31:42,992 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 13:31:42,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 13:31:42,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 13:31:42,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 13:31:42,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 13:31:42,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 13:31:42,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 13:31:42,998 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 13:31:43,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 13:31:43,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 13:31:43,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 13:31:43,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 13:31:43,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 13:31:43,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 13:31:43,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 13:31:43,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 13:31:43,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 13:31:43,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 13:31:43,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 13:31:43,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 13:31:43,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 13:31:43,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 13:31:43,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 13:31:43,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 13:31:43,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 13:31:43,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 13:31:43,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 13:31:43,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 13:31:43,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 13:31:43,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 13:31:43,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 13:31:43,020 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 [2019-08-08 13:31:43,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 13:31:43,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 13:31:43,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 13:31:43,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 13:31:43,038 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 13:31:43,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 13:31:43,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 13:31:43,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 13:31:43,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 13:31:43,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 13:31:43,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 13:31:43,039 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 13:31:43,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 13:31:43,040 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 13:31:43,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 13:31:43,040 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 13:31:43,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 13:31:43,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 13:31:43,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 13:31:43,041 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 13:31:43,041 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 13:31:43,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 13:31:43,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 13:31:43,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 13:31:43,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 13:31:43,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 13:31:43,044 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 13:31:43,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 13:31:43,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 13:31:43,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 13:31:43,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 13:31:43,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 13:31:43,109 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 13:31:43,110 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 13:31:43,110 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-2.c [2019-08-08 13:31:43,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b956aba/13722fe40823435a9a98c25e3741ad79/FLAG9d43770d6 [2019-08-08 13:31:43,755 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 13:31:43,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-2.c [2019-08-08 13:31:43,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b956aba/13722fe40823435a9a98c25e3741ad79/FLAG9d43770d6 [2019-08-08 13:31:44,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b956aba/13722fe40823435a9a98c25e3741ad79 [2019-08-08 13:31:44,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 13:31:44,034 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 13:31:44,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 13:31:44,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 13:31:44,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 13:31:44,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:31:44" (1/1) ... [2019-08-08 13:31:44,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@567407ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:44, skipping insertion in model container [2019-08-08 13:31:44,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:31:44" (1/1) ... [2019-08-08 13:31:44,050 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 13:31:44,106 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 13:31:44,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:31:44,867 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 13:31:45,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:31:45,127 INFO L192 MainTranslator]: Completed translation [2019-08-08 13:31:45,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45 WrapperNode [2019-08-08 13:31:45,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 13:31:45,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 13:31:45,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 13:31:45,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 13:31:45,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (1/1) ... [2019-08-08 13:31:45,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (1/1) ... [2019-08-08 13:31:45,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (1/1) ... [2019-08-08 13:31:45,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (1/1) ... [2019-08-08 13:31:45,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (1/1) ... [2019-08-08 13:31:45,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (1/1) ... [2019-08-08 13:31:45,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (1/1) ... [2019-08-08 13:31:45,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 13:31:45,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 13:31:45,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 13:31:45,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 13:31:45,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:45" (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 [2019-08-08 13:31:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 13:31:45,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 13:31:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-08 13:31:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-08-08 13:31:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-08-08 13:31:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-08-08 13:31:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-08-08 13:31:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-08-08 13:31:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-08-08 13:31:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-08-08 13:31:45,474 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-08-08 13:31:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-08-08 13:31:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-08-08 13:31:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-08-08 13:31:45,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-08-08 13:31:45,476 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-08-08 13:31:45,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-08-08 13:31:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-08-08 13:31:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-08-08 13:31:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-08-08 13:31:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-08-08 13:31:45,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-08-08 13:31:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-08-08 13:31:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-08-08 13:31:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-08-08 13:31:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-08-08 13:31:45,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-08-08 13:31:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-08-08 13:31:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 13:31:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-08-08 13:31:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-08-08 13:31:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-08-08 13:31:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-08-08 13:31:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-08-08 13:31:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-08-08 13:31:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-08-08 13:31:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-08-08 13:31:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-08-08 13:31:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-08-08 13:31:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-08-08 13:31:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 13:31:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-08-08 13:31:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-08-08 13:31:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-08-08 13:31:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-08-08 13:31:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 13:31:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 13:31:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 13:31:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 13:31:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 13:31:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-08-08 13:31:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-08-08 13:31:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 13:31:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 13:31:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 13:31:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 13:31:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-08 13:31:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 13:31:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-08-08 13:31:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-08-08 13:31:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-08-08 13:31:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-08-08 13:31:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-08-08 13:31:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-08-08 13:31:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-08-08 13:31:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-08-08 13:31:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-08-08 13:31:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-08-08 13:31:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-08-08 13:31:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-08-08 13:31:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-08-08 13:31:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-08-08 13:31:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-08-08 13:31:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-08-08 13:31:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-08-08 13:31:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-08-08 13:31:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-08-08 13:31:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-08-08 13:31:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-08-08 13:31:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-08-08 13:31:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-08-08 13:31:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-08-08 13:31:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-08-08 13:31:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-08-08 13:31:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-08-08 13:31:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-08-08 13:31:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-08-08 13:31:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-08-08 13:31:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 13:31:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 13:31:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-08 13:31:45,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 13:31:55,211 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 13:31:55,211 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 13:31:55,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:31:55 BoogieIcfgContainer [2019-08-08 13:31:55,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 13:31:55,213 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 13:31:55,213 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 13:31:55,214 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 13:31:55,215 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:31:55" (1/1) ... [2019-08-08 13:31:55,226 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 13:31:55,229 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 13:31:55,240 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 13:31:55,248 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 13:31:55,250 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 13:31:55,343 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 244 [2019-08-08 13:32:00,205 INFO L185 IcfgInterpreter]: Interpreting procedure __startrek_user_final with input of size 172 [2019-08-08 13:32:00,207 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 184 [2019-08-08 13:32:00,209 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 13:32:00,210 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 13:32:00,212 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 15740#(and (= 0 ~__startrek_lock~0) (= ~__startrek_arrival_min_OSEK_Task_Background~0 0) (not (= 0 |~#_nxtway_gs_mode_~0.base|)) (= 0 |~#_i_obstacle_flag_~0.offset|) (= 1 ~__startrek_wcet_OSEK_Task_ts1~0) (= 4 ~__startrek_period_OSEK_Task_ts1~0) (not (= |~#_i_nxtway_gs_mode_~0.base| 0)) (= ~__startrek_wcet_OSEK_Task_Background~0 3) (= 96 ~__startrek_period_OSEK_Task_Background~0) (= ~__startrek_task~0 2) (= ~__startrek_arrival_max_OSEK_Task_Background~0 0) (not (= 0 |~#__startrek_max~0.base|)) (not (= |~#__startrek_end~0.base| 0)) (= 0 |~#__startrek_min~0.offset|) (< |~#__startrek_end~0.base| |#StackHeapBarrier|) (= (mod assert_~arg 256) 0) (= 4 ~__startrek_wcet_OSEK_Task_ts2~0) (< |~#__startrek_max~0.base| |#StackHeapBarrier|) (= ~__startrek_arrival_max_OSEK_Task_ts2~0 0) (= 0 |~#bt_receive_buf~0.offset|) (not (= |#t~string52.base| 0)) (< |~#bt_receive_buf~0.base| |#StackHeapBarrier|) (< |~#_nxtway_gs_mode_~0.base| |#StackHeapBarrier|) (< |~#__startrek_start~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (< |~#_obstacle_flag_~0.base| |#StackHeapBarrier|) (= |~#__startrek_end~0.offset| 0) (exists ((|v_old(#memory_int)_BEFORE_CALL_1| (Array Int (Array Int Int)))) (and (= 0 (select (select |v_old(#memory_int)_BEFORE_CALL_1| |~#bt_receive_buf~0.base|) (+ |~#bt_receive_buf~0.offset| 1))) (exists ((|v_#memory_int_618| (Array Int (Array Int Int)))) (= |v_old(#memory_int)_BEFORE_CALL_1| (store (store (store (store (store (store (store (store |v_#memory_int_618| |~#__startrek_start~0.base| ((as const (Array Int Int)) 0)) |~#__startrek_end~0.base| ((as const (Array Int Int)) 0)) |~#__startrek_max~0.base| ((as const (Array Int Int)) 0)) |~#__startrek_min~0.base| ((as const (Array Int Int)) 0)) |~#_nxtway_gs_mode_~0.base| ((as const (Array Int Int)) 0)) |~#_i_nxtway_gs_mode_~0.base| ((as const (Array Int Int)) 0)) |~#_obstacle_flag_~0.base| ((as const (Array Int Int)) 0)) |~#_i_obstacle_flag_~0.base| ((as const (Array Int Int)) 0)))) (= 0 (select (select |v_old(#memory_int)_BEFORE_CALL_1| |~#bt_receive_buf~0.base|) |~#bt_receive_buf~0.offset|)))) (< |~#_i_obstacle_flag_~0.base| |#StackHeapBarrier|) (exists ((|v_#valid_84| (Array Int Int))) (and (= 0 (select (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base|)) (= 0 (select (store |v_#valid_84| 0 0) |~#__startrek_start~0.base|)) (= (select (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base|) 0) (= 0 (select (store (store (store (store (store (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base| 1) |~#_nxtway_gs_mode_~0.base| 1) |~#_i_nxtway_gs_mode_~0.base| 1) |~#_obstacle_flag_~0.base| 1) |~#_i_obstacle_flag_~0.base|)) (= 0 (select (store (store (store (store (store (store (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base| 1) |~#_nxtway_gs_mode_~0.base| 1) |~#_i_nxtway_gs_mode_~0.base| 1) |~#_obstacle_flag_~0.base| 1) |~#_i_obstacle_flag_~0.base| 1) |~#bt_receive_buf~0.base|)) (= 0 (select (store (store (store (store (store (store (store (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base| 1) |~#_nxtway_gs_mode_~0.base| 1) |~#_i_nxtway_gs_mode_~0.base| 1) |~#_obstacle_flag_~0.base| 1) |~#_i_obstacle_flag_~0.base| 1) |~#bt_receive_buf~0.base| 1) |#t~string52.base|)) (= 0 (select (store (store (store (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base| 1) |~#_nxtway_gs_mode_~0.base| 1) |~#_i_nxtway_gs_mode_~0.base|)) (= 0 (select (store (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base|)) (= (select (store (store (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base| 1) |~#_nxtway_gs_mode_~0.base|) 0) (= 0 (select (store (store (store (store (store (store (store |v_#valid_84| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base| 1) |~#_nxtway_gs_mode_~0.base| 1) |~#_i_nxtway_gs_mode_~0.base| 1) |~#_obstacle_flag_~0.base|)))) (< |~#__startrek_min~0.base| |#StackHeapBarrier|) (= 0 |~#__startrek_max~0.offset|) (= ~__startrek_base_priority_OSEK_Task_ts2~0 1) (= |~#__startrek_start~0.offset| 0) (= (ite (= (ite (= (mod (select (select |#memory_int| |~#_nxtway_gs_mode_~0.base|) (+ |~#_nxtway_gs_mode_~0.offset| 26)) 256) 2) 1 0) 0) 0 1) |assert_#in~arg|) (not (= |~#_i_obstacle_flag_~0.base| 0)) (= 0 |#t~string52.offset|) (= assert_~arg |assert_#in~arg|) (< |#t~string52.base| |#StackHeapBarrier|) (= 0 ~__startrek_hyper_period~0) (< |~#_i_nxtway_gs_mode_~0.base| |#StackHeapBarrier|) (not (= |~#bt_receive_buf~0.base| 0)) (= ~__startrek_hidden_nxtway_gs_mode~0 0) (= 48 ~__startrek_period_OSEK_Task_ts2~0) (= |~#_i_nxtway_gs_mode_~0.offset| 0) (= ~__startrek_base_priority_OSEK_Task_ts1~0 2) (= |~#_obstacle_flag_~0.offset| 0) (= 0 |~#_nxtway_gs_mode_~0.offset|) (= 0 ~__startrek_hidden_obstacle_flag~0) (= ~__startrek_arrival_min_OSEK_Task_ts1~0 0) (= ~__startrek_job~0 26) (= ~__startrek_time_bound~0 96) (= ~__startrek_base_priority_OSEK_Task_Background~0 0) (= |#NULL.offset| 0) (not (= |~#__startrek_min~0.base| 0)) (not (= 0 |~#__startrek_start~0.base|)) (= ~__startrek_arrival_max_OSEK_Task_ts1~0 0) (not (= 0 |~#_obstacle_flag_~0.base|)) (= ~__startrek_arrival_min_OSEK_Task_ts2~0 0)) [2019-08-08 13:32:00,213 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 13:32:00,221 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 13:32:00,224 INFO L168 Benchmark]: Toolchain (without parser) took 16189.16 ms. Allocated memory was 137.4 MB in the beginning and 476.6 MB in the end (delta: 339.2 MB). Free memory was 86.8 MB in the beginning and 160.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 367.7 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:00,224 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 13:32:00,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1093.59 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 86.6 MB in the beginning and 123.4 MB in the end (delta: -36.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:00,227 INFO L168 Benchmark]: Boogie Preprocessor took 274.20 ms. Allocated memory is still 202.9 MB. Free memory was 123.4 MB in the beginning and 100.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:00,228 INFO L168 Benchmark]: RCFGBuilder took 9809.21 ms. Allocated memory was 202.9 MB in the beginning and 264.2 MB in the end (delta: 61.3 MB). Free memory was 100.3 MB in the beginning and 128.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:00,229 INFO L168 Benchmark]: Symbolic Interpretation took 5007.79 ms. Allocated memory was 264.2 MB in the beginning and 476.6 MB in the end (delta: 212.3 MB). Free memory was 128.9 MB in the beginning and 160.9 MB in the end (delta: -32.1 MB). Peak memory consumption was 282.8 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:00,233 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.4 MB. Free memory was 108.7 MB in the beginning and 108.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1093.59 ms. Allocated memory was 137.4 MB in the beginning and 202.9 MB in the end (delta: 65.5 MB). Free memory was 86.6 MB in the beginning and 123.4 MB in the end (delta: -36.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 274.20 ms. Allocated memory is still 202.9 MB. Free memory was 123.4 MB in the beginning and 100.3 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9809.21 ms. Allocated memory was 202.9 MB in the beginning and 264.2 MB in the end (delta: 61.3 MB). Free memory was 100.3 MB in the beginning and 128.9 MB in the end (delta: -28.6 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 5007.79 ms. Allocated memory was 264.2 MB in the beginning and 476.6 MB in the end (delta: 212.3 MB). Free memory was 128.9 MB in the beginning and 160.9 MB in the end (delta: -32.1 MB). Peak memory consumption was 282.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...