/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.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:38:58,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:38:58,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:38:58,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:38:58,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:38:58,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:38:58,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:38:58,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:38:58,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:38:58,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:38:58,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:38:58,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:38:58,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:38:58,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:38:58,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:38:58,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:38:58,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:38:58,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:38:58,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:38:58,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:38:58,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:38:58,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:38:58,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:38:58,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:38:58,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:38:58,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:38:58,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:38:58,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:38:58,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:38:58,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:38:58,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:38:58,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:38:58,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:38:58,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:38:58,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:38:58,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:38:58,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:38:58,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:38:58,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:38:58,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:38:58,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:38:58,387 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 01:38:58,418 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:38:58,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:38:58,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:38:58,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:38:58,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:38:58,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:38:58,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:38:58,420 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:38:58,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:38:58,421 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:38:58,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:38:58,421 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:38:58,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:38:58,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:38:58,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:38:58,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:38:58,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:38:58,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:38:58,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:38:58,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:38:58,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:38:58,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:38:58,430 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:38:58,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:38:58,430 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:38:58,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:38:58,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:38:58,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:38:58,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:38:58,634 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:38:58,634 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:38:58,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-1.c [2023-03-31 01:38:59,647 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:38:59,914 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:38:59,915 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-1.c [2023-03-31 01:38:59,929 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb17689ca/c3e95869228242bc90518f169e04022d/FLAG60cd04304 [2023-03-31 01:38:59,941 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb17689ca/c3e95869228242bc90518f169e04022d [2023-03-31 01:38:59,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:38:59,945 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:38:59,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:38:59,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:38:59,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:38:59,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:38:59" (1/1) ... [2023-03-31 01:38:59,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329799ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:38:59, skipping insertion in model container [2023-03-31 01:38:59,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:38:59" (1/1) ... [2023-03-31 01:38:59,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:39:00,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:39:00,162 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.M1-1.c[1800,1813] [2023-03-31 01:39:00,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:00,567 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:39:00,582 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.M1-1.c[1800,1813] [2023-03-31 01:39:00,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:00,769 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:39:00,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00 WrapperNode [2023-03-31 01:39:00,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:39:00,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:39:00,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:39:00,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:39:00,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:00,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:00,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:00,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:00,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:00,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:00,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:00,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:01,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:39:01,023 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:39:01,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:39:01,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:39:01,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (1/1) ... [2023-03-31 01:39:01,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:39:01,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:39:01,046 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 01:39:01,049 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 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-03-31 01:39:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:01,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:01,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-03-31 01:39:01,075 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-03-31 01:39:01,075 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:39:01,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:01,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:01,078 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-03-31 01:39:01,079 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-03-31 01:39:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-03-31 01:39:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-03-31 01:39:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-03-31 01:39:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:39:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:39:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:39:01,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:39:01,491 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:39:01,498 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:39:10,276 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:39:10,288 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:39:10,289 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 01:39:10,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:10 BoogieIcfgContainer [2023-03-31 01:39:10,292 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:39:10,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:39:10,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:39:10,296 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:39:10,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:38:59" (1/3) ... [2023-03-31 01:39:10,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf6c438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:10, skipping insertion in model container [2023-03-31 01:39:10,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:00" (2/3) ... [2023-03-31 01:39:10,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bf6c438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:10, skipping insertion in model container [2023-03-31 01:39:10,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:10" (3/3) ... [2023-03-31 01:39:10,298 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M1-1.c [2023-03-31 01:39:10,310 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:39:10,310 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:39:10,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:39:10,380 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;@2743a236, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:39:10,380 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:39:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand has 2401 states, 1399 states have (on average 1.1951393852751966) internal successors, (1672), 1405 states have internal predecessors, (1672), 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 01:39:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1357 [2023-03-31 01:39:10,449 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:39:10,450 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 01:39:10,452 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:39:10,457 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:39:10,458 INFO L85 PathProgramCache]: Analyzing trace with hash -266685720, now seen corresponding path program 1 times [2023-03-31 01:39:10,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:39:10,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119388169] [2023-03-31 01:39:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:39:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms