/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_aso.1.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:39:00,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:39:00,431 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:39:00,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:39:00,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:39:00,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:39:00,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:39:00,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:39:00,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:39:00,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:39:00,467 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:39:00,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:39:00,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:39:00,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:39:00,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:39:00,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:39:00,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:39:00,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:39:00,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:39:00,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:39:00,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:39:00,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:39:00,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:39:00,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:39:00,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:39:00,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:39:00,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:39:00,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:39:00,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:39:00,480 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:39:00,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:39:00,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:39:00,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:39:00,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:39:00,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:39:00,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:39:00,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:39:00,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:39:00,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:39:00,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:39:00,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:39:00,489 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 [2023-03-31 01:39:00,504 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:39:00,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:39:00,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:39:00,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:39:00,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:39:00,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:39:00,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:39:00,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:39:00,509 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:39:00,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:39:00,510 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:39:00,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:39:00,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:39:00,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:39:00,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:39:00,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:39:00,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:39:00,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:39:00,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:39:00,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:39:00,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:39:00,512 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:39:00,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:39:00,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:39:00,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:39:00,513 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:39:00,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:39:00,513 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:39:00,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:39:00,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:39:00,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:39:00,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:39:00,743 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:39:00,743 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:39:00,744 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-2.c [2023-03-31 01:39:01,867 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:39:02,124 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:39:02,124 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-2.c [2023-03-31 01:39:02,151 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f861c5062/9a345ec3475945e393f55a9a33bbbd4e/FLAG0a19f4dbd [2023-03-31 01:39:02,165 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f861c5062/9a345ec3475945e393f55a9a33bbbd4e [2023-03-31 01:39:02,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:39:02,169 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:39:02,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:39:02,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:39:02,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:39:02,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:39:02" (1/1) ... [2023-03-31 01:39:02,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8dcc002 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:02, skipping insertion in model container [2023-03-31 01:39:02,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:39:02" (1/1) ... [2023-03-31 01:39:02,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:39:02,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:39:02,408 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_aso.1.M1-2.c[1719,1732] [2023-03-31 01:39:02,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:02,782 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:39:02,796 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_aso.1.M1-2.c[1719,1732] [2023-03-31 01:39:03,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:03,056 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:39:03,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03 WrapperNode [2023-03-31 01:39:03,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:39:03,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:39:03,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:39:03,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:39:03,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,284 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,327 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:39:03,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:39:03,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:39:03,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:39:03,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (1/1) ... [2023-03-31 01:39:03,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:39:03,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:39:03,352 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) [2023-03-31 01:39:03,382 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 [2023-03-31 01:39:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:39:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:39:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-03-31 01:39:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-03-31 01:39:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-03-31 01:39:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-03-31 01:39:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-03-31 01:39:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-03-31 01:39:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:39:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:39:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:39:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:39:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-03-31 01:39:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-03-31 01:39:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-03-31 01:39:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-03-31 01:39:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-03-31 01:39:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 01:39:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:39:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-03-31 01:39:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-03-31 01:39:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-03-31 01:39:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:39:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:39:03,823 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:39:03,825 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:39:12,645 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:39:12,658 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:39:12,658 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 01:39:12,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:12 BoogieIcfgContainer [2023-03-31 01:39:12,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:39:12,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:39:12,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:39:12,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:39:12,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:39:02" (1/3) ... [2023-03-31 01:39:12,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497f2dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:12, skipping insertion in model container [2023-03-31 01:39:12,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:03" (2/3) ... [2023-03-31 01:39:12,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@497f2dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:12, skipping insertion in model container [2023-03-31 01:39:12,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:12" (3/3) ... [2023-03-31 01:39:12,668 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M1-2.c [2023-03-31 01:39:12,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:39:12,681 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:39:12,746 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:39:12,750 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;@c4d0e93, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:39:12,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:39:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 2399 states, 1397 states have (on average 1.1954187544738726) internal successors, (1670), 1404 states have internal predecessors, (1670), 957 states have call successors, (957), 40 states have call predecessors, (957), 40 states have return successors, (957), 955 states have call predecessors, (957), 957 states have call successors, (957) [2023-03-31 01:39:12,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1357 [2023-03-31 01:39:12,820 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:39:12,822 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:39:12,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:39:12,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:39:12,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1445472734, now seen corresponding path program 1 times [2023-03-31 01:39:12,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:39:12,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974204125] [2023-03-31 01:39:12,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:39:12,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms