java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.1.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:48:22,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:48:22,279 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:48:22,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:48:22,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:48:22,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:48:22,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:48:22,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:48:22,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:48:22,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:48:22,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:48:22,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:48:22,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:48:22,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:48:22,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:48:22,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:48:22,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:48:22,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:48:22,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:48:22,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:48:22,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:48:22,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:48:22,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:48:22,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:48:22,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:48:22,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:48:22,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:48:22,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:48:22,351 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:48:22,352 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:48:22,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:48:22,354 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:48:22,355 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:48:22,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:48:22,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:48:22,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:48:22,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:48:22,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:48:22,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:48:22,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:48:22,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:48:22,361 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 [2019-10-13 19:48:22,395 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:48:22,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:48:22,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:48:22,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:48:22,400 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:48:22,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:48:22,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:48:22,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:48:22,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:48:22,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:48:22,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:48:22,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:48:22,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:48:22,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:48:22,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:48:22,402 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:48:22,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:48:22,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:48:22,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:48:22,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:48:22,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:48:22,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:48:22,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:48:22,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:48:22,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:48:22,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:48:22,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:48:22,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:48:22,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:48:22,679 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:48:22,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:48:22,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:48:22,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:48:22,696 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:48:22,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.1.M4-2.c [2019-10-13 19:48:22,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27cf4ab0/af43ad93289444d68821c515cfd496bf/FLAG6156fdbc4 [2019-10-13 19:48:23,421 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:48:23,422 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.1.M4-2.c [2019-10-13 19:48:23,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27cf4ab0/af43ad93289444d68821c515cfd496bf/FLAG6156fdbc4 [2019-10-13 19:48:23,588 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27cf4ab0/af43ad93289444d68821c515cfd496bf [2019-10-13 19:48:23,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:48:23,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:48:23,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:48:23,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:48:23,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:48:23,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:48:23" (1/1) ... [2019-10-13 19:48:23,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3ebb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:23, skipping insertion in model container [2019-10-13 19:48:23,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:48:23" (1/1) ... [2019-10-13 19:48:23,618 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:48:23,703 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:48:24,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:48:24,461 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:48:24,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:48:24,855 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:48:24,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24 WrapperNode [2019-10-13 19:48:24,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:48:24,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:48:24,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:48:24,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:48:24,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (1/1) ... [2019-10-13 19:48:24,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (1/1) ... [2019-10-13 19:48:25,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (1/1) ... [2019-10-13 19:48:25,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (1/1) ... [2019-10-13 19:48:25,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (1/1) ... [2019-10-13 19:48:25,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (1/1) ... [2019-10-13 19:48:25,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (1/1) ... [2019-10-13 19:48:25,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:48:25,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:48:25,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:48:25,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:48:25,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (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 [2019-10-13 19:48:25,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:48:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:48:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-13 19:48:25,327 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-13 19:48:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-13 19:48:25,328 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-13 19:48:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-13 19:48:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-13 19:48:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-13 19:48:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-13 19:48:25,329 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-13 19:48:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-13 19:48:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-13 19:48:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-10-13 19:48:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-13 19:48:25,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-10-13 19:48:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-13 19:48:25,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-13 19:48:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-13 19:48:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-13 19:48:25,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-13 19:48:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-13 19:48:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-13 19:48:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-13 19:48:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-13 19:48:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-13 19:48:25,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-13 19:48:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-13 19:48:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-13 19:48:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:48:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-13 19:48:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-13 19:48:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-10-13 19:48:25,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-10-13 19:48:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-13 19:48:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-13 19:48:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-10-13 19:48:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-10-13 19:48:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-13 19:48:25,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-13 19:48:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-13 19:48:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-13 19:48:25,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-13 19:48:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:48:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-13 19:48:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-13 19:48:25,338 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-13 19:48:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-13 19:48:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-13 19:48:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-13 19:48:25,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:48:25,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:48:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:48:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:48:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 19:48:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-13 19:48:25,341 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-13 19:48:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-13 19:48:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-13 19:48:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-10-13 19:48:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-10-13 19:48:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-10-13 19:48:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-10-13 19:48:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-13 19:48:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-13 19:48:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-13 19:48:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-13 19:48:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-13 19:48:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-13 19:48:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-13 19:48:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-13 19:48:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-13 19:48:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-13 19:48:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-13 19:48:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-13 19:48:25,345 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-10-13 19:48:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-13 19:48:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-10-13 19:48:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-13 19:48:25,346 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-13 19:48:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-13 19:48:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-13 19:48:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-13 19:48:25,347 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-13 19:48:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-13 19:48:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-13 19:48:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-13 19:48:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:48:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:48:25,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:48:25,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:48:33,212 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:48:33,213 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 19:48:33,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:48:33 BoogieIcfgContainer [2019-10-13 19:48:33,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:48:33,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:48:33,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:48:33,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:48:33,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:48:23" (1/3) ... [2019-10-13 19:48:33,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e69764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:48:33, skipping insertion in model container [2019-10-13 19:48:33,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:48:24" (2/3) ... [2019-10-13 19:48:33,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e69764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:48:33, skipping insertion in model container [2019-10-13 19:48:33,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:48:33" (3/3) ... [2019-10-13 19:48:33,225 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M4-2.c [2019-10-13 19:48:33,234 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:48:33,249 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:48:33,260 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:48:33,301 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:48:33,301 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:48:33,301 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:48:33,301 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:48:33,302 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:48:33,302 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:48:33,302 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:48:33,302 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:48:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states. [2019-10-13 19:48:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 19:48:33,368 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:48:33,369 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:48:33,371 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:48:33,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:48:33,376 INFO L82 PathProgramCache]: Analyzing trace with hash 273806034, now seen corresponding path program 1 times [2019-10-13 19:48:33,384 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:48:33,384 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936058230] [2019-10-13 19:48:33,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:48:33,385 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:48:33,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:48:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat