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.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 13:31:49,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 13:31:49,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 13:31:49,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 13:31:49,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 13:31:49,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 13:31:49,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 13:31:49,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 13:31:49,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 13:31:49,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 13:31:49,418 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 13:31:49,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 13:31:49,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 13:31:49,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 13:31:49,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 13:31:49,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 13:31:49,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 13:31:49,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 13:31:49,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 13:31:49,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 13:31:49,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 13:31:49,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 13:31:49,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 13:31:49,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 13:31:49,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 13:31:49,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 13:31:49,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 13:31:49,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 13:31:49,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 13:31:49,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 13:31:49,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 13:31:49,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 13:31:49,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 13:31:49,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 13:31:49,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 13:31:49,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 13:31:49,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 13:31:49,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 13:31:49,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 13:31:49,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 13:31:49,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 13:31:49,446 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 13:31:49,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 13:31:49,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 13:31:49,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 13:31:49,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 13:31:49,467 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 13:31:49,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 13:31:49,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 13:31:49,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 13:31:49,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 13:31:49,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 13:31:49,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 13:31:49,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 13:31:49,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 13:31:49,469 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 13:31:49,469 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 13:31:49,470 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 13:31:49,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 13:31:49,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 13:31:49,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 13:31:49,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 13:31:49,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 13:31:49,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 13:31:49,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 13:31:49,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 13:31:49,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 13:31:49,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 13:31:49,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 13:31:49,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 13:31:49,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 13:31:49,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 13:31:49,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 13:31:49,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 13:31:49,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 13:31:49,535 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 13:31:49,536 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M4-2.c [2019-08-08 13:31:49,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f720f16a/6f551df9fc0c4d77a74adf8779fcd4ba/FLAG638a7d6d3 [2019-08-08 13:31:50,256 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 13:31:50,257 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M4-2.c [2019-08-08 13:31:50,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f720f16a/6f551df9fc0c4d77a74adf8779fcd4ba/FLAG638a7d6d3 [2019-08-08 13:31:50,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f720f16a/6f551df9fc0c4d77a74adf8779fcd4ba [2019-08-08 13:31:50,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 13:31:50,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 13:31:50,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 13:31:50,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 13:31:50,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 13:31:50,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:31:50" (1/1) ... [2019-08-08 13:31:50,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5626f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:50, skipping insertion in model container [2019-08-08 13:31:50,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:31:50" (1/1) ... [2019-08-08 13:31:50,535 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 13:31:50,602 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 13:31:51,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:31:51,323 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 13:31:51,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:31:51,580 INFO L192 MainTranslator]: Completed translation [2019-08-08 13:31:51,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51 WrapperNode [2019-08-08 13:31:51,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 13:31:51,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 13:31:51,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 13:31:51,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 13:31:51,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (1/1) ... [2019-08-08 13:31:51,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (1/1) ... [2019-08-08 13:31:51,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (1/1) ... [2019-08-08 13:31:51,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (1/1) ... [2019-08-08 13:31:51,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (1/1) ... [2019-08-08 13:31:51,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (1/1) ... [2019-08-08 13:31:51,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (1/1) ... [2019-08-08 13:31:51,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 13:31:51,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 13:31:51,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 13:31:51,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 13:31:51,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:51" (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 13:31:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 13:31:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 13:31:51,928 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-08 13:31:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-08-08 13:31:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-08-08 13:31:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-08-08 13:31:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-08-08 13:31:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-08-08 13:31:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-08-08 13:31:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-08-08 13:31:51,930 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-08-08 13:31:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-08-08 13:31:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-08-08 13:31:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-08-08 13:31:51,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-08-08 13:31:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-08-08 13:31:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-08-08 13:31:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-08-08 13:31:51,932 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-08-08 13:31:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-08-08 13:31:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-08-08 13:31:51,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-08-08 13:31:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-08-08 13:31:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-08-08 13:31:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-08-08 13:31:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-08-08 13:31:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-08-08 13:31:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-08-08 13:31:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 13:31:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-08-08 13:31:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-08-08 13:31:51,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-08-08 13:31:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-08-08 13:31:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-08-08 13:31:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-08-08 13:31:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-08-08 13:31:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-08-08 13:31:51,936 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-08-08 13:31:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-08-08 13:31:51,937 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-08-08 13:31:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 13:31:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-08-08 13:31:51,937 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-08-08 13:31:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-08-08 13:31:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-08-08 13:31:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 13:31:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 13:31:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 13:31:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 13:31:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 13:31:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-08-08 13:31:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-08-08 13:31:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 13:31:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 13:31:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 13:31:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 13:31:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-08 13:31:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 13:31:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-08-08 13:31:51,940 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-08-08 13:31:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-08-08 13:31:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-08-08 13:31:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-08-08 13:31:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-08-08 13:31:51,941 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-08-08 13:31:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-08-08 13:31:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-08-08 13:31:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-08-08 13:31:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-08-08 13:31:51,942 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-08-08 13:31:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-08-08 13:31:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-08-08 13:31:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-08-08 13:31:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-08-08 13:31:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-08-08 13:31:51,943 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-08-08 13:31:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-08-08 13:31:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-08-08 13:31:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-08-08 13:31:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-08-08 13:31:51,944 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-08-08 13:31:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-08-08 13:31:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-08-08 13:31:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-08-08 13:31:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-08-08 13:31:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-08-08 13:31:51,945 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-08-08 13:31:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-08-08 13:31:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 13:31:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 13:31:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-08 13:31:51,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 13:32:02,473 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 13:32:02,473 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 13:32:02,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:32:02 BoogieIcfgContainer [2019-08-08 13:32:02,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 13:32:02,475 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 13:32:02,475 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 13:32:02,476 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 13:32:02,477 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:32:02" (1/1) ... [2019-08-08 13:32:02,489 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 13:32:02,491 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 13:32:02,505 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 13:32:02,513 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 13:32:02,515 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 13:32:02,591 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 245 [2019-08-08 13:32:07,095 INFO L185 IcfgInterpreter]: Interpreting procedure __startrek_user_final with input of size 173 [2019-08-08 13:32:07,105 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 185 [2019-08-08 13:32:07,109 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 13:32:07,109 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 13:32:07,112 INFO L179 IcfgInterpreter]: Location assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 12490#(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|) (= ~__startrek_time_bound~0 384) (= (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|) (< |~#_obstacle_flag_~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= |~#__startrek_end~0.offset| 0) (= 3 ~__startrek_hyper_period~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))) (= 0 (select (select |v_old(#memory_int)_BEFORE_CALL_1| |~#bt_receive_buf~0.base|) |~#bt_receive_buf~0.offset|)) (exists ((|v_#memory_int_633| (Array Int (Array Int Int)))) (= (store (store (store (store (store (store (store (store |v_#memory_int_633| |~#__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)) |v_old(#memory_int)_BEFORE_CALL_1|)))) (< |~#_i_obstacle_flag_~0.base| |#StackHeapBarrier|) (< |~#__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|) (< |~#_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) (exists ((|v_#valid_90| (Array Int Int))) (and (= (select (store |v_#valid_90| 0 0) |~#__startrek_start~0.base|) 0) (= 0 (select (store (store (store (store (store (store (store |v_#valid_90| 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|)) (= 0 (select (store (store |v_#valid_90| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base|)) (= (select (store (store (store (store (store |v_#valid_90| 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 |v_#valid_90| 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|)) (= (select (store (store (store (store (store (store (store (store (store (store |v_#valid_90| 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) (= 0 (select (store (store (store (store (store (store (store (store |v_#valid_90| 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_90| 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 |v_#valid_90| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base|)) (= (select (store (store (store (store |v_#valid_90| 0 0) |~#__startrek_start~0.base| 1) |~#__startrek_end~0.base| 1) |~#__startrek_max~0.base| 1) |~#__startrek_min~0.base|) 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_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 13:32:07,114 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 13:32:07,125 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 13:32:07,129 INFO L168 Benchmark]: Toolchain (without parser) took 16607.65 ms. Allocated memory was 140.0 MB in the beginning and 499.6 MB in the end (delta: 359.7 MB). Free memory was 86.3 MB in the beginning and 152.4 MB in the end (delta: -66.0 MB). Peak memory consumption was 296.5 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:07,130 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 13:32:07,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1061.26 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 86.1 MB in the beginning and 120.6 MB in the end (delta: -34.5 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:07,134 INFO L168 Benchmark]: Boogie Preprocessor took 282.20 ms. Allocated memory is still 201.3 MB. Free memory was 120.6 MB in the beginning and 98.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:07,136 INFO L168 Benchmark]: RCFGBuilder took 10610.95 ms. Allocated memory was 201.3 MB in the beginning and 273.2 MB in the end (delta: 71.8 MB). Free memory was 98.1 MB in the beginning and 157.1 MB in the end (delta: -58.9 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:07,138 INFO L168 Benchmark]: Symbolic Interpretation took 4649.53 ms. Allocated memory was 273.2 MB in the beginning and 499.6 MB in the end (delta: 226.5 MB). Free memory was 157.1 MB in the beginning and 152.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. [2019-08-08 13:32:07,154 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 0.23 ms. Allocated memory is still 140.0 MB. Free memory was 107.3 MB in the beginning and 107.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1061.26 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 86.1 MB in the beginning and 120.6 MB in the end (delta: -34.5 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 282.20 ms. Allocated memory is still 201.3 MB. Free memory was 120.6 MB in the beginning and 98.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10610.95 ms. Allocated memory was 201.3 MB in the beginning and 273.2 MB in the end (delta: 71.8 MB). Free memory was 98.1 MB in the beginning and 157.1 MB in the end (delta: -58.9 MB). Peak memory consumption was 101.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4649.53 ms. Allocated memory was 273.2 MB in the beginning and 499.6 MB in the end (delta: 226.5 MB). Free memory was 157.1 MB in the beginning and 152.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...