/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.1.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 05:31:00,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 05:31:00,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 05:31:01,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 05:31:01,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 05:31:01,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 05:31:01,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 05:31:01,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 05:31:01,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 05:31:01,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 05:31:01,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 05:31:01,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 05:31:01,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 05:31:01,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 05:31:01,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 05:31:01,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 05:31:01,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 05:31:01,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 05:31:01,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 05:31:01,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 05:31:01,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 05:31:01,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 05:31:01,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 05:31:01,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 05:31:01,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 05:31:01,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 05:31:01,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 05:31:01,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 05:31:01,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 05:31:01,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 05:31:01,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 05:31:01,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 05:31:01,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 05:31:01,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 05:31:01,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 05:31:01,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 05:31:01,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 05:31:01,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 05:31:01,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 05:31:01,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 05:31:01,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 05:31:01,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-04-02 05:31:01,102 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 05:31:01,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 05:31:01,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 05:31:01,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 05:31:01,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 05:31:01,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 05:31:01,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 05:31:01,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 05:31:01,105 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 05:31:01,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 05:31:01,106 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 05:31:01,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 05:31:01,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 05:31:01,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 05:31:01,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 05:31:01,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 05:31:01,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 05:31:01,107 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 05:31:01,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 05:31:01,107 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 05:31:01,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 05:31:01,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 05:31:01,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 05:31:01,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 05:31:01,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:31:01,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 05:31:01,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 05:31:01,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 05:31:01,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 05:31:01,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 05:31:01,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 05:31:01,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 05:31:01,109 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 05:31:01,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 05:31:01,109 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 05:31:01,110 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 05:31:01,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 05:31:01,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 05:31:01,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 05:31:01,333 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 05:31:01,333 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 05:31:01,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2023-04-02 05:31:02,567 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 05:31:03,054 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 05:31:03,055 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_aso.1.M4-1.c [2023-04-02 05:31:03,096 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f67187d4/733fc7a8d1514c76adddf6a4f0b59351/FLAG4d612c9a9 [2023-04-02 05:31:03,111 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f67187d4/733fc7a8d1514c76adddf6a4f0b59351 [2023-04-02 05:31:03,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 05:31:03,115 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 05:31:03,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 05:31:03,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 05:31:03,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 05:31:03,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:31:03" (1/1) ... [2023-04-02 05:31:03,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f016269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:03, skipping insertion in model container [2023-04-02 05:31:03,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 05:31:03" (1/1) ... [2023-04-02 05:31:03,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 05:31:03,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 05:31:03,565 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.1.M4-1.c[2313,2326] [2023-04-02 05:31:04,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:31:04,661 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 05:31:04,676 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.1.M4-1.c[2313,2326] [2023-04-02 05:31:05,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 05:31:05,476 INFO L208 MainTranslator]: Completed translation [2023-04-02 05:31:05,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05 WrapperNode [2023-04-02 05:31:05,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 05:31:05,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 05:31:05,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 05:31:05,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 05:31:05,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:05,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:05,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:05,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:06,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:06,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:06,930 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:07,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:07,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 05:31:07,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 05:31:07,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 05:31:07,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 05:31:07,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (1/1) ... [2023-04-02 05:31:07,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 05:31:07,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 05:31:07,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-02 05:31:07,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-02 05:31:07,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 05:31:07,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 05:31:07,264 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-02 05:31:07,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:31:07,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2023-04-02 05:31:07,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-04-02 05:31:07,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-02 05:31:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-02 05:31:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-02 05:31:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-02 05:31:07,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-02 05:31:07,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 05:31:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 05:31:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 05:31:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 05:31:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-02 05:31:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-02 05:31:07,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-02 05:31:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-02 05:31:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-02 05:31:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-02 05:31:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-02 05:31:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-02 05:31:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 05:31:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-02 05:31:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-02 05:31:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-02 05:31:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-02 05:31:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-02 05:31:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-04-02 05:31:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-04-02 05:31:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-04-02 05:31:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-04-02 05:31:07,274 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-02 05:31:07,275 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-02 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-02 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-02 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-02 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-04-02 05:31:07,276 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-02 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-04-02 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-02 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-02 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-02 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-02 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-02 05:31:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 05:31:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 05:31:09,234 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 05:31:09,238 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 05:33:50,071 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 05:33:50,126 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 05:33:50,126 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-02 05:33:50,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:33:50 BoogieIcfgContainer [2023-04-02 05:33:50,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 05:33:50,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 05:33:50,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 05:33:50,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 05:33:50,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 05:31:03" (1/3) ... [2023-04-02 05:33:50,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f931a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:33:50, skipping insertion in model container [2023-04-02 05:33:50,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 05:31:05" (2/3) ... [2023-04-02 05:33:50,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f931a01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 05:33:50, skipping insertion in model container [2023-04-02 05:33:50,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 05:33:50" (3/3) ... [2023-04-02 05:33:50,154 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_aso.1.M4-1.c [2023-04-02 05:33:50,170 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 05:33:50,170 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 05:33:50,465 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 05:33:50,474 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;@66683c25, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 05:33:50,477 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 05:33:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 12713 states, 8237 states have (on average 1.3087289061551535) internal successors, (10780), 8352 states have internal predecessors, (10780), 4429 states have call successors, (4429), 42 states have call predecessors, (4429), 42 states have return successors, (4429), 4427 states have call predecessors, (4429), 4429 states have call successors, (4429) [2023-04-02 05:33:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5924 [2023-04-02 05:33:51,414 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 05:33:51,418 INFO L195 NwaCegarLoop]: trace histogram [551, 551, 551, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1] [2023-04-02 05:33:51,419 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 05:33:51,423 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 05:33:51,426 INFO L85 PathProgramCache]: Analyzing trace with hash -708362150, now seen corresponding path program 1 times [2023-04-02 05:33:51,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 05:33:51,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065191972] [2023-04-02 05:33:51,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 05:33:51,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms