/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 22:18:05,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 22:18:05,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 22:18:05,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 22:18:05,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 22:18:05,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 22:18:05,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 22:18:05,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 22:18:05,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 22:18:05,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 22:18:05,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 22:18:05,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 22:18:05,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 22:18:05,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 22:18:05,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 22:18:05,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 22:18:05,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 22:18:05,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 22:18:05,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 22:18:05,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 22:18:05,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 22:18:05,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 22:18:05,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 22:18:05,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 22:18:05,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 22:18:05,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 22:18:05,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 22:18:05,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 22:18:05,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 22:18:05,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 22:18:05,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 22:18:05,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 22:18:05,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 22:18:05,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 22:18:05,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 22:18:05,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 22:18:05,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 22:18:05,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 22:18:05,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 22:18:05,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 22:18:05,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 22:18:05,132 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 22:18:05,145 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 22:18:05,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 22:18:05,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 22:18:05,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 22:18:05,147 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 22:18:05,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 22:18:05,147 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 22:18:05,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 22:18:05,148 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 22:18:05,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 22:18:05,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 22:18:05,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 22:18:05,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 22:18:05,149 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 22:18:05,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 22:18:05,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 22:18:05,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 22:18:05,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 22:18:05,150 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 22:18:05,150 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 22:18:05,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 22:18:05,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:18:05,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 22:18:05,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 22:18:05,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 22:18:05,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 22:18:05,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 22:18:05,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 22:18:05,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 22:18:05,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 22:18:05,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 22:18:05,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 22:18:05,431 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 22:18:05,432 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 22:18:05,432 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-06 22:18:05,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec861c93/fe2f3ba0b039477cbb104bf6aff67f02/FLAG99bd4c506 [2019-11-06 22:18:06,117 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 22:18:06,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_nxt.2.M1-2.c [2019-11-06 22:18:06,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec861c93/fe2f3ba0b039477cbb104bf6aff67f02/FLAG99bd4c506 [2019-11-06 22:18:06,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eec861c93/fe2f3ba0b039477cbb104bf6aff67f02 [2019-11-06 22:18:06,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 22:18:06,339 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 22:18:06,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 22:18:06,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 22:18:06,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 22:18:06,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:06" (1/1) ... [2019-11-06 22:18:06,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e9c25d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:06, skipping insertion in model container [2019-11-06 22:18:06,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:18:06" (1/1) ... [2019-11-06 22:18:06,355 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 22:18:06,440 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 22:18:07,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:18:07,181 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 22:18:07,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 22:18:07,478 INFO L192 MainTranslator]: Completed translation [2019-11-06 22:18:07,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07 WrapperNode [2019-11-06 22:18:07,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 22:18:07,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 22:18:07,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 22:18:07,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 22:18:07,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... [2019-11-06 22:18:07,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... [2019-11-06 22:18:07,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... [2019-11-06 22:18:07,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... [2019-11-06 22:18:07,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... [2019-11-06 22:18:07,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... [2019-11-06 22:18:07,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... [2019-11-06 22:18:07,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 22:18:07,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 22:18:07,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 22:18:07,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 22:18:07,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 22:18:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 22:18:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 22:18:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-11-06 22:18:07,848 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-11-06 22:18:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-11-06 22:18:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-11-06 22:18:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-11-06 22:18:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-11-06 22:18:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-11-06 22:18:07,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-11-06 22:18:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-11-06 22:18:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-11-06 22:18:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-11-06 22:18:07,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-06 22:18:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-11-06 22:18:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-06 22:18:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-11-06 22:18:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-11-06 22:18:07,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-06 22:18:07,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-11-06 22:18:07,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-11-06 22:18:07,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-11-06 22:18:07,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-11-06 22:18:07,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-11-06 22:18:07,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-11-06 22:18:07,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-11-06 22:18:07,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-11-06 22:18:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-11-06 22:18:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-11-06 22:18:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-11-06 22:18:07,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-11-06 22:18:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 22:18:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-11-06 22:18:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-11-06 22:18:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-11-06 22:18:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-11-06 22:18:07,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-11-06 22:18:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-11-06 22:18:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-11-06 22:18:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-11-06 22:18:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-11-06 22:18:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-11-06 22:18:07,856 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-11-06 22:18:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 22:18:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-11-06 22:18:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-11-06 22:18:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-11-06 22:18:07,857 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-11-06 22:18:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-11-06 22:18:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-06 22:18:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-06 22:18:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 22:18:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 22:18:07,858 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-06 22:18:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-11-06 22:18:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-11-06 22:18:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 22:18:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 22:18:07,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 22:18:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 22:18:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 22:18:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-06 22:18:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-11-06 22:18:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-11-06 22:18:07,860 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-11-06 22:18:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-11-06 22:18:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-11-06 22:18:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-11-06 22:18:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-11-06 22:18:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-11-06 22:18:07,861 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-11-06 22:18:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-11-06 22:18:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-11-06 22:18:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-11-06 22:18:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-11-06 22:18:07,862 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-11-06 22:18:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-11-06 22:18:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-11-06 22:18:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-11-06 22:18:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-06 22:18:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-11-06 22:18:07,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-06 22:18:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-11-06 22:18:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-11-06 22:18:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-11-06 22:18:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-06 22:18:07,864 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-11-06 22:18:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-11-06 22:18:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-11-06 22:18:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-11-06 22:18:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-11-06 22:18:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-11-06 22:18:07,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-11-06 22:18:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-11-06 22:18:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 22:18:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 22:18:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 22:18:07,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 22:18:12,705 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 22:18:12,705 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 22:18:12,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:12 BoogieIcfgContainer [2019-11-06 22:18:12,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 22:18:12,709 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 22:18:12,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 22:18:12,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 22:18:12,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:18:06" (1/3) ... [2019-11-06 22:18:12,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a51e537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:12, skipping insertion in model container [2019-11-06 22:18:12,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:18:07" (2/3) ... [2019-11-06 22:18:12,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a51e537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:18:12, skipping insertion in model container [2019-11-06 22:18:12,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:18:12" (3/3) ... [2019-11-06 22:18:12,718 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M1-2.c [2019-11-06 22:18:12,727 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 22:18:12,736 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 22:18:12,747 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 22:18:12,775 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 22:18:12,776 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 22:18:12,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 22:18:12,776 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 22:18:12,776 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 22:18:12,777 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 22:18:12,777 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 22:18:12,777 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 22:18:12,809 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states. [2019-11-06 22:18:12,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-06 22:18:12,834 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 22:18:12,836 INFO L410 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, 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, 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] [2019-11-06 22:18:12,838 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 22:18:12,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 22:18:12,844 INFO L82 PathProgramCache]: Analyzing trace with hash -720211581, now seen corresponding path program 1 times [2019-11-06 22:18:12,853 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 22:18:12,854 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873025429] [2019-11-06 22:18:12,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 22:18:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat