/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.1.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 05:35:47,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 05:35:47,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 05:35:47,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 05:35:47,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 05:35:47,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 05:35:47,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 05:35:47,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 05:35:47,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 05:35:47,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 05:35:47,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 05:35:47,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 05:35:47,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 05:35:47,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 05:35:47,453 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 05:35:47,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 05:35:47,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 05:35:47,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 05:35:47,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 05:35:47,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 05:35:47,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 05:35:47,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 05:35:47,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 05:35:47,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 05:35:47,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 05:35:47,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 05:35:47,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 05:35:47,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 05:35:47,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 05:35:47,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 05:35:47,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 05:35:47,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 05:35:47,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 05:35:47,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 05:35:47,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 05:35:47,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 05:35:47,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 05:35:47,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 05:35:47,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 05:35:47,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 05:35:47,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 05:35:47,486 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 05:35:47,514 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 05:35:47,514 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 05:35:47,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 05:35:47,515 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 05:35:47,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 05:35:47,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 05:35:47,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 05:35:47,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 05:35:47,517 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 05:35:47,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 05:35:47,517 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 05:35:47,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 05:35:47,519 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 05:35:47,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 05:35:47,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 05:35:47,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 05:35:47,519 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 05:35:47,519 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:35:47,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 05:35:47,519 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 05:35:47,520 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 05:35:47,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 05:35:47,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 05:35:47,520 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 05:35:47,520 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 05:35:47,520 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 05:35:47,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 05:35:47,521 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 05:35:47,521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 05:35:47,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 05:35:47,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 05:35:47,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 05:35:47,788 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 05:35:47,790 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 05:35:47,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c [2023-04-02 05:35:49,099 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 05:35:49,569 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 05:35:49,569 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-1.c [2023-04-02 05:35:49,624 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970f7ae42/ca10a68b9b1e4d4ca9e846daeb9ab6f1/FLAG84372ff83 [2023-04-02 05:35:49,641 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/970f7ae42/ca10a68b9b1e4d4ca9e846daeb9ab6f1 [2023-04-02 05:35:49,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 05:35:49,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 05:35:49,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 05:35:49,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 05:35:49,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 05:35:49,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:35:49" (1/1) ... [2023-04-02 05:35:49,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aca0039 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:49, skipping insertion in model container [2023-04-02 05:35:49,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:35:49" (1/1) ... [2023-04-02 05:35:49,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 05:35:49,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 05:35:50,163 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.1.M4-1.c[1673,1686] [2023-04-02 05:35:51,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:35:51,368 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 05:35:51,391 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.1.M4-1.c[1673,1686] [2023-04-02 05:35:52,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:35:52,260 INFO L208 MainTranslator]: Completed translation [2023-04-02 05:35:52,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52 WrapperNode [2023-04-02 05:35:52,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 05:35:52,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 05:35:52,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 05:35:52,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 05:35:52,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:52,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:52,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:52,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:53,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:53,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:53,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:54,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:54,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 05:35:54,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 05:35:54,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 05:35:54,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 05:35:54,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (1/1) ... [2023-04-02 05:35:54,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:35:54,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 05:35:54,279 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 05:35:54,288 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 05:35:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 05:35:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-02 05:35:54,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2023-04-02 05:35:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 05:35:54,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-02 05:35:54,322 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-02 05:35:54,323 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2023-04-02 05:35:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 05:35:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 05:35:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 05:35:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 05:35:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-02 05:35:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-02 05:35:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-02 05:35:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-02 05:35:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 05:35:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-02 05:35:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 05:35:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 05:35:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-02 05:35:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-02 05:35:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-02 05:35:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 05:35:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 05:35:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-02 05:35:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2023-04-02 05:35:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-02 05:35:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-02 05:35:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-02 05:35:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:35:54,329 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2023-04-02 05:35:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2023-04-02 05:35:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-02 05:35:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2023-04-02 05:35:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 05:35:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 05:35:56,330 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 05:35:56,334 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 05:36:35,033 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 05:36:35,078 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 05:36:35,079 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 05:36:35,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:36:35 BoogieIcfgContainer [2023-04-02 05:36:35,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 05:36:35,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 05:36:35,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 05:36:35,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 05:36:35,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 05:35:49" (1/3) ... [2023-04-02 05:36:35,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdf69e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:36:35, skipping insertion in model container [2023-04-02 05:36:35,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:35:52" (2/3) ... [2023-04-02 05:36:35,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fdf69e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:36:35, skipping insertion in model container [2023-04-02 05:36:35,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:36:35" (3/3) ... [2023-04-02 05:36:35,104 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.1.M4-1.c [2023-04-02 05:36:35,120 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 05:36:35,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 05:36:35,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 05:36:35,446 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;@93d4a58, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 05:36:35,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 05:36:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 12096 states, 7910 states have (on average 1.318331226295828) internal successors, (10428), 8025 states have internal predecessors, (10428), 4142 states have call successors, (4142), 39 states have call predecessors, (4142), 39 states have return successors, (4142), 4139 states have call predecessors, (4142), 4142 states have call successors, (4142) [2023-04-02 05:36:35,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4644 [2023-04-02 05:36:35,814 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 05:36:35,817 INFO L195 NwaCegarLoop]: trace histogram [337, 337, 337, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 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 05:36:35,818 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 05:36:35,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 05:36:35,825 INFO L85 PathProgramCache]: Analyzing trace with hash 70252091, now seen corresponding path program 1 times [2023-04-02 05:36:35,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 05:36:35,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864617868] [2023-04-02 05:36:35,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 05:36:35,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms