/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/rekh_nxt.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 05:43:25,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 05:43:25,895 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 05:43:25,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 05:43:25,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 05:43:25,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 05:43:25,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 05:43:25,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 05:43:25,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 05:43:25,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 05:43:25,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 05:43:25,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 05:43:25,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 05:43:25,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 05:43:25,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 05:43:25,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 05:43:25,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 05:43:25,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 05:43:25,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 05:43:25,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 05:43:25,970 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 05:43:25,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 05:43:25,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 05:43:25,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 05:43:25,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 05:43:25,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 05:43:25,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 05:43:25,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 05:43:25,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 05:43:25,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 05:43:25,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 05:43:25,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 05:43:25,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 05:43:25,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 05:43:25,988 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 05:43:25,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 05:43:25,989 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 05:43:25,989 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 05:43:25,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 05:43:25,990 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 05:43:25,991 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 05:43:25,992 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 05:43:26,029 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 05:43:26,029 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 05:43:26,030 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 05:43:26,030 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 05:43:26,031 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 05:43:26,032 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 05:43:26,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 05:43:26,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 05:43:26,032 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 05:43:26,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 05:43:26,033 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 05:43:26,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 05:43:26,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 05:43:26,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 05:43:26,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 05:43:26,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 05:43:26,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 05:43:26,035 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 05:43:26,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 05:43:26,035 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 05:43:26,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 05:43:26,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 05:43:26,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 05:43:26,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 05:43:26,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:43:26,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 05:43:26,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 05:43:26,036 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 05:43:26,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 05:43:26,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 05:43:26,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 05:43:26,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 05:43:26,037 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 05:43:26,037 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 05:43:26,037 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 05:43:26,038 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 05:43:26,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 05:43:26,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 05:43:26,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 05:43:26,346 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 05:43:26,346 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 05:43:26,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2023-04-02 05:43:27,551 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 05:43:27,952 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 05:43:27,953 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_nxt.3.M1.c [2023-04-02 05:43:27,980 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6d4bd04/e7a6bbf6d9504a04b4e270c0ad94fd9d/FLAGf3a8ed421 [2023-04-02 05:43:27,996 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a6d4bd04/e7a6bbf6d9504a04b4e270c0ad94fd9d [2023-04-02 05:43:27,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 05:43:28,000 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 05:43:28,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 05:43:28,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 05:43:28,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 05:43:28,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:43:27" (1/1) ... [2023-04-02 05:43:28,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770937df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28, skipping insertion in model container [2023-04-02 05:43:28,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:43:27" (1/1) ... [2023-04-02 05:43:28,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 05:43:28,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 05:43:28,301 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/rekh_nxt.3.M1.c[1762,1775] [2023-04-02 05:43:28,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:43:28,686 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 05:43:28,698 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/rekh_nxt.3.M1.c[1762,1775] [2023-04-02 05:43:28,948 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:43:28,970 INFO L208 MainTranslator]: Completed translation [2023-04-02 05:43:28,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28 WrapperNode [2023-04-02 05:43:28,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 05:43:28,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 05:43:28,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 05:43:28,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 05:43:28,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:28,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,177 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,222 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 05:43:29,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 05:43:29,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 05:43:29,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 05:43:29,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (1/1) ... [2023-04-02 05:43:29,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:43:29,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 05:43:29,306 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 05:43:29,334 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 05:43:29,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 05:43:29,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 05:43:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 05:43:29,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:43:29,353 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-02 05:43:29,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2023-04-02 05:43:29,355 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-02 05:43:29,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-02 05:43:29,356 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2023-04-02 05:43:29,356 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 05:43:29,356 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 05:43:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 05:43:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 05:43:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-02 05:43:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-02 05:43:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-02 05:43:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-02 05:43:29,357 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-02 05:43:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 05:43:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-02 05:43:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 05:43:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 05:43:29,358 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-02 05:43:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-02 05:43:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-02 05:43:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-02 05:43:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-02 05:43:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 05:43:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 05:43:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-02 05:43:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-02 05:43:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-02 05:43:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-02 05:43:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:43:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:43:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:43:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:43:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2023-04-02 05:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2023-04-02 05:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-02 05:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2023-04-02 05:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-02 05:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-02 05:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-02 05:43:29,363 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-02 05:43:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-04-02 05:43:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 05:43:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 05:43:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 05:43:29,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 05:43:29,891 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 05:43:29,895 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 05:43:37,800 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 05:43:37,818 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 05:43:37,819 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 05:43:37,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:43:37 BoogieIcfgContainer [2023-04-02 05:43:37,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 05:43:37,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 05:43:37,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 05:43:37,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 05:43:37,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 05:43:27" (1/3) ... [2023-04-02 05:43:37,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bb5ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:43:37, skipping insertion in model container [2023-04-02 05:43:37,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:43:28" (2/3) ... [2023-04-02 05:43:37,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bb5ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:43:37, skipping insertion in model container [2023-04-02 05:43:37,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:43:37" (3/3) ... [2023-04-02 05:43:37,833 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_nxt.3.M1.c [2023-04-02 05:43:37,850 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 05:43:37,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 05:43:37,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 05:43:37,957 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;@7372b133, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 05:43:37,958 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 05:43:37,976 INFO L276 IsEmpty]: Start isEmpty. Operand has 2014 states, 1175 states have (on average 1.1982978723404256) internal successors, (1408), 1181 states have internal predecessors, (1408), 794 states have call successors, (794), 40 states have call predecessors, (794), 40 states have return successors, (794), 791 states have call predecessors, (794), 794 states have call successors, (794) [2023-04-02 05:43:38,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1329 [2023-04-02 05:43:38,059 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 05:43:38,061 INFO L195 NwaCegarLoop]: trace histogram [209, 209, 209, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:43:38,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 05:43:38,066 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 05:43:38,067 INFO L85 PathProgramCache]: Analyzing trace with hash 574950008, now seen corresponding path program 1 times [2023-04-02 05:43:38,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 05:43:38,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107965816] [2023-04-02 05:43:38,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 05:43:38,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms