/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 05:37:03,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 05:37:04,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 05:37:04,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 05:37:04,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 05:37:04,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 05:37:04,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 05:37:04,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 05:37:04,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 05:37:04,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 05:37:04,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 05:37:04,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 05:37:04,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 05:37:04,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 05:37:04,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 05:37:04,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 05:37:04,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 05:37:04,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 05:37:04,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 05:37:04,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 05:37:04,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 05:37:04,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 05:37:04,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 05:37:04,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 05:37:04,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 05:37:04,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 05:37:04,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 05:37:04,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 05:37:04,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 05:37:04,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 05:37:04,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 05:37:04,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 05:37:04,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 05:37:04,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 05:37:04,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 05:37:04,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 05:37:04,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 05:37:04,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 05:37:04,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 05:37:04,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 05:37:04,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 05:37:04,074 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 [2023-04-02 05:37:04,097 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 05:37:04,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 05:37:04,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 05:37:04,098 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 05:37:04,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 05:37:04,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 05:37:04,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 05:37:04,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 05:37:04,100 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 05:37:04,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 05:37:04,100 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 05:37:04,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 05:37:04,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:37:04,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 05:37:04,102 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 05:37:04,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 05:37:04,103 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 05:37:04,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 05:37:04,103 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 05:37:04,103 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 05:37:04,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 05:37:04,352 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 05:37:04,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 05:37:04,355 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 05:37:04,356 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 05:37:04,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2023-04-02 05:37:05,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 05:37:05,666 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 05:37:05,667 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2023-04-02 05:37:05,684 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495f7b2f7/9208b7b3f58e4b928e195db8f9bac274/FLAGf5a82af0f [2023-04-02 05:37:05,701 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/495f7b2f7/9208b7b3f58e4b928e195db8f9bac274 [2023-04-02 05:37:05,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 05:37:05,705 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 05:37:05,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 05:37:05,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 05:37:05,709 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 05:37:05,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:37:05" (1/1) ... [2023-04-02 05:37:05,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b494b1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:05, skipping insertion in model container [2023-04-02 05:37:05,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:37:05" (1/1) ... [2023-04-02 05:37:05,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 05:37:05,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 05:37:05,900 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2023-04-02 05:37:06,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:37:06,153 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 05:37:06,167 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2023-04-02 05:37:06,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:37:06,407 INFO L208 MainTranslator]: Completed translation [2023-04-02 05:37:06,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06 WrapperNode [2023-04-02 05:37:06,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 05:37:06,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 05:37:06,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 05:37:06,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 05:37:06,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,554 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 05:37:06,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 05:37:06,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 05:37:06,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 05:37:06,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (1/1) ... [2023-04-02 05:37:06,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:37:06,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 05:37:06,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 05:37:06,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 05:37:06,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 05:37:06,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-02 05:37:06,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-02 05:37:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-02 05:37:06,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-02 05:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-02 05:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-02 05:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2023-04-02 05:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-02 05:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-02 05:37:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2023-04-02 05:37:06,670 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 05:37:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 05:37:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 05:37:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 05:37:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-02 05:37:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-02 05:37:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-02 05:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-02 05:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-02 05:37:06,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 05:37:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-02 05:37:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 05:37:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 05:37:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-02 05:37:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-02 05:37:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-02 05:37:06,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-02 05:37:06,674 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:37:06,675 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2023-04-02 05:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2023-04-02 05:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-02 05:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2023-04-02 05:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-02 05:37:06,676 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 05:37:06,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 05:37:07,028 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 05:37:07,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 05:37:13,123 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 05:37:13,140 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 05:37:13,140 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 05:37:13,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:37:13 BoogieIcfgContainer [2023-04-02 05:37:13,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 05:37:13,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 05:37:13,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 05:37:13,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 05:37:13,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 05:37:05" (1/3) ... [2023-04-02 05:37:13,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f0fa37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:37:13, skipping insertion in model container [2023-04-02 05:37:13,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:37:06" (2/3) ... [2023-04-02 05:37:13,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f0fa37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:37:13, skipping insertion in model container [2023-04-02 05:37:13,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:37:13" (3/3) ... [2023-04-02 05:37:13,152 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M1-2.c [2023-04-02 05:37:13,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 05:37:13,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 05:37:13,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 05:37:13,248 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@660de57c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 05:37:13,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 05:37:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 1286 states, 798 states have (on average 1.2719298245614035) internal successors, (1015), 832 states have internal predecessors, (1015), 443 states have call successors, (443), 40 states have call predecessors, (443), 40 states have return successors, (443), 440 states have call predecessors, (443), 443 states have call successors, (443) [2023-04-02 05:37:13,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2023-04-02 05:37:13,338 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 05:37:13,339 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 05:37:13,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 05:37:13,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 05:37:13,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1834437311, now seen corresponding path program 1 times [2023-04-02 05:37:13,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 05:37:13,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037539939] [2023-04-02 05:37:13,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 05:37:13,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms