/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:37:20,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:37:20,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:37:20,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:37:20,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:37:20,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:37:20,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:37:20,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:37:20,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:37:20,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:37:20,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:37:20,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:37:20,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:37:20,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:37:20,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:37:20,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:37:20,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:37:20,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:37:20,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:37:20,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:37:20,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:37:20,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:37:20,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:37:20,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:37:20,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:37:20,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:37:20,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:37:20,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:37:20,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:37:20,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:37:20,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:37:20,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:37:20,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:37:20,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:37:20,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:37:20,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:37:20,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:37:20,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:37:20,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:37:20,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:37:20,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:37:20,602 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 01:37:20,635 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:37:20,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:37:20,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:37:20,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:37:20,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:37:20,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:37:20,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:37:20,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:37:20,639 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:37:20,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:37:20,639 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:37:20,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:37:20,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:37:20,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:37:20,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:37:20,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:37:20,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:37:20,640 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:37:20,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:37:20,641 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:37:20,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:37:20,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:37:20,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:37:20,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:37:20,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:37:20,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:37:20,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:37:20,642 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:37:20,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:37:20,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:37:20,642 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:37:20,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:37:20,642 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:37:20,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:37:20,643 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:37:20,643 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:37:20,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:37:20,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:37:20,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:37:20,913 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:37:20,914 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:37:20,915 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2023-03-31 01:37:22,112 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:37:22,443 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:37:22,443 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c [2023-03-31 01:37:22,465 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ffaf25f/c698254adb2d4c889c7114a1f22cbd1d/FLAG744f52f3b [2023-03-31 01:37:22,482 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ffaf25f/c698254adb2d4c889c7114a1f22cbd1d [2023-03-31 01:37:22,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:37:22,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:37:22,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:37:22,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:37:22,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:37:22,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:37:22" (1/1) ... [2023-03-31 01:37:22,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e72c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:22, skipping insertion in model container [2023-03-31 01:37:22,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:37:22" (1/1) ... [2023-03-31 01:37:22,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:37:22,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:37:22,698 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/rekcba_aso.2.M1-2.c[2320,2333] [2023-03-31 01:37:23,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:37:23,039 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:37:23,059 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.2.M1-2.c[2320,2333] [2023-03-31 01:37:23,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:37:23,255 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:37:23,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23 WrapperNode [2023-03-31 01:37:23,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:37:23,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:37:23,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:37:23,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:37:23,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,483 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:37:23,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:37:23,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:37:23,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:37:23,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (1/1) ... [2023-03-31 01:37:23,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:37:23,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:37:23,560 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 01:37:23,571 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 01:37:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:37:23,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-03-31 01:37:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-03-31 01:37:23,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i1 [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:37:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-03-31 01:37:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-03-31 01:37:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-03-31 01:37:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:37:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-03-31 01:37:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-03-31 01:37:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-03-31 01:37:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-03-31 01:37:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-03-31 01:37:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-03-31 01:37:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-03-31 01:37:23,607 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-03-31 01:37:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:37:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:37:23,607 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:37:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:37:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-03-31 01:37:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i1 [2023-03-31 01:37:23,608 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-03-31 01:37:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-03-31 01:37:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-03-31 01:37:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-03-31 01:37:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 01:37:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 01:37:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 01:37:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:37:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 01:37:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-03-31 01:37:23,611 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-03-31 01:37:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-03-31 01:37:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-03-31 01:37:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-03-31 01:37:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-03-31 01:37:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-03-31 01:37:23,612 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-03-31 01:37:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-03-31 01:37:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-03-31 01:37:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-03-31 01:37:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-03-31 01:37:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-03-31 01:37:23,613 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-03-31 01:37:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-03-31 01:37:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-03-31 01:37:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-03-31 01:37:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-03-31 01:37:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-03-31 01:37:23,614 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:37:23,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:37:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:37:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:37:24,081 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:37:24,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:37:33,118 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:37:33,132 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:37:33,132 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 01:37:33,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:37:33 BoogieIcfgContainer [2023-03-31 01:37:33,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:37:33,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:37:33,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:37:33,142 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:37:33,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:37:22" (1/3) ... [2023-03-31 01:37:33,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fab188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:37:33, skipping insertion in model container [2023-03-31 01:37:33,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:37:23" (2/3) ... [2023-03-31 01:37:33,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14fab188 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:37:33, skipping insertion in model container [2023-03-31 01:37:33,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:37:33" (3/3) ... [2023-03-31 01:37:33,144 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.2.M1-2.c [2023-03-31 01:37:33,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:37:33,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:37:33,252 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:37:33,258 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;@6bdcedb7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:37:33,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:37:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 1505 states, 926 states have (on average 1.2624190064794816) internal successors, (1169), 960 states have internal predecessors, (1169), 531 states have call successors, (531), 43 states have call predecessors, (531), 43 states have return successors, (531), 529 states have call predecessors, (531), 531 states have call successors, (531) [2023-03-31 01:37:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1058 [2023-03-31 01:37:33,335 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:37:33,337 INFO L195 NwaCegarLoop]: trace histogram [137, 137, 137, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:37:33,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:37:33,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:37:33,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1064201177, now seen corresponding path program 1 times [2023-03-31 01:37:33,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:37:33,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884371489] [2023-03-31 01:37:33,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:37:33,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms