/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:11:27,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:11:27,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:11:27,468 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:11:27,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:11:27,470 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:11:27,472 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:11:27,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:11:27,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:11:27,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:11:27,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:11:27,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:11:27,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:11:27,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:11:27,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:11:27,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:11:27,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:11:27,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:11:27,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:11:27,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:11:27,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:11:27,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:11:27,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:11:27,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:11:27,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:11:27,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:11:27,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:11:27,526 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:11:27,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:11:27,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:11:27,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:11:27,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:11:27,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:11:27,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:11:27,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:11:27,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:11:27,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:11:27,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:11:27,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:11:27,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:11:27,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:11:27,538 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 07:11:27,568 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:11:27,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:11:27,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:11:27,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:11:27,574 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:11:27,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:11:27,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:11:27,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:11:27,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:11:27,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:11:27,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:11:27,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:11:27,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:11:27,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:11:27,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:11:27,577 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:11:27,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:11:27,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:11:27,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:11:27,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:11:27,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:11:27,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:11:27,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:11:27,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:11:27,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:11:27,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:11:27,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:11:27,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:11:27,580 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 07:11:27,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:11:27,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:11:27,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:11:27,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:11:27,896 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:11:27,897 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-07 07:11:27,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58b56f6d/895c4257362048b2b331ec0c65291994/FLAG1397973e0 [2019-11-07 07:11:28,673 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:11:28,674 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-11-07 07:11:28,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58b56f6d/895c4257362048b2b331ec0c65291994/FLAG1397973e0 [2019-11-07 07:11:28,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e58b56f6d/895c4257362048b2b331ec0c65291994 [2019-11-07 07:11:28,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:11:28,904 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:11:28,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:11:28,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:11:28,914 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:11:28,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:11:28" (1/1) ... [2019-11-07 07:11:28,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4427d3c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:28, skipping insertion in model container [2019-11-07 07:11:28,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:11:28" (1/1) ... [2019-11-07 07:11:28,927 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:11:29,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:11:29,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:11:29,733 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:11:30,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:11:30,083 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:11:30,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30 WrapperNode [2019-11-07 07:11:30,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:11:30,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:11:30,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:11:30,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:11:30,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (1/1) ... [2019-11-07 07:11:30,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (1/1) ... [2019-11-07 07:11:30,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (1/1) ... [2019-11-07 07:11:30,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (1/1) ... [2019-11-07 07:11:30,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (1/1) ... [2019-11-07 07:11:30,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (1/1) ... [2019-11-07 07:11:30,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (1/1) ... [2019-11-07 07:11:30,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:11:30,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:11:30,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:11:30,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:11:30,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:30" (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 [2019-11-07 07:11:30,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:11:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:11:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-11-07 07:11:30,508 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-11-07 07:11:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-11-07 07:11:30,509 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-11-07 07:11:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-11-07 07:11:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-11-07 07:11:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-11-07 07:11:30,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-11-07 07:11:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-11-07 07:11:30,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-11-07 07:11:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-11-07 07:11:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-11-07 07:11:30,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 07:11:30,554 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 07:11:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 07:11:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 07:11:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-11-07 07:11:30,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-07 07:11:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-11-07 07:11:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-11-07 07:11:30,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-11-07 07:11:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-11-07 07:11:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-11-07 07:11:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-11-07 07:11:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-11-07 07:11:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-11-07 07:11:30,557 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:11:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-11-07 07:11:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-11-07 07:11:30,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-11-07 07:11:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-11-07 07:11:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-11-07 07:11:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-11-07 07:11:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-11-07 07:11:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-11-07 07:11:30,560 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-11-07 07:11:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-11-07 07:11:30,561 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-11-07 07:11:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:11:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-11-07 07:11:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-11-07 07:11:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-11-07 07:11:30,561 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-11-07 07:11:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:11:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:11:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:11:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:11:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:11:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-11-07 07:11:30,563 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-11-07 07:11:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:11:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:11:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:11:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:11:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 07:11:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:11:30,564 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-11-07 07:11:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-11-07 07:11:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-11-07 07:11:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-11-07 07:11:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-11-07 07:11:30,565 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-11-07 07:11:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-11-07 07:11:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-11-07 07:11:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-11-07 07:11:30,566 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-11-07 07:11:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-11-07 07:11:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-11-07 07:11:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-11-07 07:11:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-11-07 07:11:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-11-07 07:11:30,567 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-11-07 07:11:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-11-07 07:11:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-11-07 07:11:30,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 07:11:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 07:11:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 07:11:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 07:11:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-11-07 07:11:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-11-07 07:11:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-07 07:11:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-11-07 07:11:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-11-07 07:11:30,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-11-07 07:11:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-11-07 07:11:30,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-11-07 07:11:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:11:30,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:11:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 07:11:30,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:11:38,294 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:11:38,294 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:11:38,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:11:38 BoogieIcfgContainer [2019-11-07 07:11:38,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:11:38,297 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:11:38,297 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:11:38,298 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:11:38,299 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:38,355 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:11:38,465 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 07:11:38,477 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 71 root evaluator evaluations with a maximum evaluation depth of 0. Performed 71 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 136 variables. [2019-11-07 07:11:38,478 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:11:38,481 INFO L168 Benchmark]: Toolchain (without parser) took 9575.56 ms. Allocated memory was 140.0 MB in the beginning and 289.9 MB in the end (delta: 149.9 MB). Free memory was 101.8 MB in the beginning and 202.1 MB in the end (delta: -100.3 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:38,483 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:11:38,485 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1174.41 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 120.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:38,486 INFO L168 Benchmark]: Boogie Preprocessor took 322.28 ms. Allocated memory is still 203.4 MB. Free memory was 120.6 MB in the beginning and 97.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:38,488 INFO L168 Benchmark]: RCFGBuilder took 7889.02 ms. Allocated memory was 203.4 MB in the beginning and 289.9 MB in the end (delta: 86.5 MB). Free memory was 97.7 MB in the beginning and 210.9 MB in the end (delta: -113.2 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:38,490 INFO L168 Benchmark]: Abstract Interpretation took 180.70 ms. Allocated memory is still 289.9 MB. Free memory was 210.9 MB in the beginning and 202.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:38,503 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1174.41 ms. Allocated memory was 140.0 MB in the beginning and 203.4 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 120.6 MB in the end (delta: -19.0 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 322.28 ms. Allocated memory is still 203.4 MB. Free memory was 120.6 MB in the beginning and 97.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7889.02 ms. Allocated memory was 203.4 MB in the beginning and 289.9 MB in the end (delta: 86.5 MB). Free memory was 97.7 MB in the beginning and 210.9 MB in the end (delta: -113.2 MB). Peak memory consumption was 67.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 180.70 ms. Allocated memory is still 289.9 MB. Free memory was 210.9 MB in the beginning and 202.1 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 81]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...