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.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 13:31:21,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 13:31:21,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 13:31:21,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 13:31:21,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 13:31:21,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 13:31:21,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 13:31:21,276 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 13:31:21,278 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 13:31:21,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 13:31:21,280 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 13:31:21,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 13:31:21,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 13:31:21,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 13:31:21,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 13:31:21,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 13:31:21,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 13:31:21,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 13:31:21,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 13:31:21,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 13:31:21,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 13:31:21,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 13:31:21,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 13:31:21,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 13:31:21,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-08 13:31:21,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-08 13:31:21,299 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-08 13:31:21,300 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-08 13:31:21,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-08 13:31:21,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-08 13:31:21,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 13:31:21,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 13:31:21,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 13:31:21,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 13:31:21,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 13:31:21,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 13:31:21,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 13:31:21,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 13:31:21,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 13:31:21,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 13:31:21,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 13:31:21,317 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 13:31:21,341 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 13:31:21,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 13:31:21,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 13:31:21,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 13:31:21,346 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 13:31:21,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 13:31:21,346 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 13:31:21,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 13:31:21,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 13:31:21,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 13:31:21,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 13:31:21,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 13:31:21,349 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 13:31:21,350 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 13:31:21,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 13:31:21,350 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 13:31:21,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 13:31:21,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 13:31:21,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 13:31:21,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 13:31:21,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 13:31:21,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 13:31:21,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 13:31:21,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 13:31:21,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 13:31:21,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 13:31:21,353 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 13:31:21,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 13:31:21,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 13:31:21,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 13:31:21,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 13:31:21,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 13:31:21,423 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 13:31:21,424 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 13:31:21,424 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-08-08 13:31:21,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddbb4f817/2d20abcaa4ff4411aa6afeb9fba80664/FLAG7bdb0884e [2019-08-08 13:31:22,140 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 13:31:22,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.1.M1-1.c [2019-08-08 13:31:22,168 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddbb4f817/2d20abcaa4ff4411aa6afeb9fba80664/FLAG7bdb0884e [2019-08-08 13:31:22,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddbb4f817/2d20abcaa4ff4411aa6afeb9fba80664 [2019-08-08 13:31:22,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 13:31:22,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 13:31:22,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 13:31:22,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 13:31:22,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 13:31:22,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:31:22" (1/1) ... [2019-08-08 13:31:22,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1a114a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:22, skipping insertion in model container [2019-08-08 13:31:22,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 01:31:22" (1/1) ... [2019-08-08 13:31:22,364 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 13:31:22,450 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 13:31:23,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:31:23,304 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 13:31:23,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 13:31:23,667 INFO L192 MainTranslator]: Completed translation [2019-08-08 13:31:23,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23 WrapperNode [2019-08-08 13:31:23,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 13:31:23,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 13:31:23,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 13:31:23,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 13:31:23,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (1/1) ... [2019-08-08 13:31:23,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (1/1) ... [2019-08-08 13:31:23,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (1/1) ... [2019-08-08 13:31:23,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (1/1) ... [2019-08-08 13:31:23,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (1/1) ... [2019-08-08 13:31:23,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (1/1) ... [2019-08-08 13:31:23,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (1/1) ... [2019-08-08 13:31:24,032 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 13:31:24,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 13:31:24,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 13:31:24,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 13:31:24,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 01:31:23" (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 13:31:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 13:31:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 13:31:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-08-08 13:31:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-08-08 13:31:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-08-08 13:31:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-08-08 13:31:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-08-08 13:31:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-08-08 13:31:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-08-08 13:31:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-08-08 13:31:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-08-08 13:31:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-08-08 13:31:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-08-08 13:31:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-08-08 13:31:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-08-08 13:31:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-08-08 13:31:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-08-08 13:31:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-08-08 13:31:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-08-08 13:31:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-08-08 13:31:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-08-08 13:31:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-08-08 13:31:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-08-08 13:31:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-08-08 13:31:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-08-08 13:31:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-08-08 13:31:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-08-08 13:31:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-08-08 13:31:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 13:31:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-08-08 13:31:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-08-08 13:31:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-08-08 13:31:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-08-08 13:31:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-08-08 13:31:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-08-08 13:31:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-08-08 13:31:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-08-08 13:31:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-08-08 13:31:24,117 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-08-08 13:31:24,117 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-08-08 13:31:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 13:31:24,117 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-08-08 13:31:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-08-08 13:31:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-08-08 13:31:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-08-08 13:31:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-08 13:31:24,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-08-08 13:31:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 13:31:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 13:31:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-08-08 13:31:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-08-08 13:31:24,119 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-08-08 13:31:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-08 13:31:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-08 13:31:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-08 13:31:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-08 13:31:24,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-08 13:31:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-08 13:31:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-08-08 13:31:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-08-08 13:31:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-08-08 13:31:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-08-08 13:31:24,121 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-08-08 13:31:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-08-08 13:31:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-08-08 13:31:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-08-08 13:31:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-08-08 13:31:24,122 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-08-08 13:31:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-08-08 13:31:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-08-08 13:31:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-08-08 13:31:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-08-08 13:31:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-08-08 13:31:24,123 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-08-08 13:31:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-08-08 13:31:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-08-08 13:31:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-08-08 13:31:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-08-08 13:31:24,124 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-08-08 13:31:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-08-08 13:31:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-08-08 13:31:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-08-08 13:31:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-08-08 13:31:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-08-08 13:31:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-08-08 13:31:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-08-08 13:31:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-08-08 13:31:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-08-08 13:31:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 13:31:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 13:31:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-08 13:31:24,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 13:31:35,388 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 13:31:35,388 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 13:31:35,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:31:35 BoogieIcfgContainer [2019-08-08 13:31:35,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 13:31:35,391 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 13:31:35,391 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 13:31:35,391 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 13:31:35,392 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 01:31:35" (1/1) ... [2019-08-08 13:31:35,409 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 13:31:35,412 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 13:31:35,424 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 13:31:35,436 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 13:31:35,438 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 13:31:35,524 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 244 [2019-08-08 13:31:42,631 INFO L185 IcfgInterpreter]: Interpreting procedure __startrek_user_final with input of size 172 [2019-08-08 13:31:42,634 INFO L185 IcfgInterpreter]: Interpreting procedure assert with input of size 185 [2019-08-08 13:31:42,636 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 13:31:42,637 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 13:31:42,639 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|) (= (ite (= 0 (ite (not (= (mod (select (select |#memory_int| |~#_nxtway_gs_mode_~0.base|) (+ |~#_nxtway_gs_mode_~0.offset| 26)) 256) 2)) 1 0)) 0 1) |assert_#in~arg|) (= 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) (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 13:31:42,641 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 13:31:42,648 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 13:31:42,651 INFO L168 Benchmark]: Toolchain (without parser) took 20303.09 ms. Allocated memory was 140.5 MB in the beginning and 497.0 MB in the end (delta: 356.5 MB). Free memory was 85.3 MB in the beginning and 316.7 MB in the end (delta: -231.4 MB). Peak memory consumption was 383.3 MB. Max. memory is 7.1 GB. [2019-08-08 13:31:42,652 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 13:31:42,653 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1320.87 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 85.1 MB in the beginning and 118.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-08-08 13:31:42,655 INFO L168 Benchmark]: Boogie Preprocessor took 363.57 ms. Allocated memory is still 201.3 MB. Free memory was 118.9 MB in the beginning and 96.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-08-08 13:31:42,656 INFO L168 Benchmark]: RCFGBuilder took 11357.66 ms. Allocated memory was 201.3 MB in the beginning and 271.1 MB in the end (delta: 69.7 MB). Free memory was 96.0 MB in the beginning and 149.8 MB in the end (delta: -53.7 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB. [2019-08-08 13:31:42,658 INFO L168 Benchmark]: Symbolic Interpretation took 7257.15 ms. Allocated memory was 271.1 MB in the beginning and 497.0 MB in the end (delta: 226.0 MB). Free memory was 149.8 MB in the beginning and 316.7 MB in the end (delta: -166.9 MB). Peak memory consumption was 317.3 MB. Max. memory is 7.1 GB. [2019-08-08 13:31:42,669 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 0.25 ms. Allocated memory is still 140.5 MB. Free memory was 106.7 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1320.87 ms. Allocated memory was 140.5 MB in the beginning and 201.3 MB in the end (delta: 60.8 MB). Free memory was 85.1 MB in the beginning and 118.9 MB in the end (delta: -33.8 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 363.57 ms. Allocated memory is still 201.3 MB. Free memory was 118.9 MB in the beginning and 96.0 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 11357.66 ms. Allocated memory was 201.3 MB in the beginning and 271.1 MB in the end (delta: 69.7 MB). Free memory was 96.0 MB in the beginning and 149.8 MB in the end (delta: -53.7 MB). Peak memory consumption was 96.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 7257.15 ms. Allocated memory was 271.1 MB in the beginning and 497.0 MB in the end (delta: 226.0 MB). Free memory was 149.8 MB in the beginning and 316.7 MB in the end (delta: -166.9 MB). Peak memory consumption was 317.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...