/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.M4-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:39:07,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:39:07,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:39:07,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:39:07,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:39:07,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:39:07,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:39:07,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:39:07,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:39:07,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:39:07,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:39:07,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:39:07,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:39:07,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:39:07,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:39:07,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:39:07,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:39:07,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:39:07,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:39:07,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:39:07,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:39:07,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:39:07,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:39:07,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:39:07,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:39:07,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:39:07,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:39:07,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:39:07,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:39:07,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:39:07,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:39:07,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:39:07,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:39:07,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:39:07,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:39:07,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:39:07,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:39:07,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:39:07,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:39:07,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:39:07,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:39:07,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:39:08,010 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:39:08,010 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:39:08,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:39:08,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:39:08,012 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:39:08,012 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:39:08,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:39:08,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:39:08,013 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:39:08,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:39:08,014 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:39:08,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:39:08,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:39:08,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:39:08,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:39:08,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:39:08,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:39:08,015 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:39:08,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:39:08,016 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:39:08,016 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:39:08,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:39:08,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:39:08,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:39:08,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:39:08,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:39:08,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:39:08,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:39:08,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:39:08,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:39:08,022 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:39:08,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:39:08,023 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:39:08,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:39:08,023 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:39:08,023 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:39:08,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:39:08,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:39:08,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:39:08,265 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:39:08,265 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:39:08,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2023-03-31 01:39:09,521 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:39:09,870 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:39:09,870 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M4-1.c [2023-03-31 01:39:09,894 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63326b555/8559fcd2acc74cd299f937eebaa86407/FLAGe8b8d2196 [2023-03-31 01:39:09,911 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63326b555/8559fcd2acc74cd299f937eebaa86407 [2023-03-31 01:39:09,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:39:09,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:39:09,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:39:09,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:39:09,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:39:09,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:39:09" (1/1) ... [2023-03-31 01:39:09,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c5a2f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:09, skipping insertion in model container [2023-03-31 01:39:09,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:39:09" (1/1) ... [2023-03-31 01:39:09,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:39:09,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:39:10,158 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.M4-1.c[1800,1813] [2023-03-31 01:39:10,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:10,661 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:39:10,676 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/rekh_aso.1.M4-1.c[1800,1813] [2023-03-31 01:39:10,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:10,889 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:39:10,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10 WrapperNode [2023-03-31 01:39:10,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:39:10,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:39:10,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:39:10,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:39:10,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:10,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:10,974 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:10,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:11,097 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:11,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:11,157 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:11,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:11,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:39:11,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:39:11,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:39:11,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:39:11,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (1/1) ... [2023-03-31 01:39:11,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:39:11,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:39:11,246 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 01:39:11,264 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 01:39:11,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:39:11,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:39:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:39:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 01:39:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-31 01:39:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-03-31 01:39:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-03-31 01:39:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-03-31 01:39:11,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:11,302 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-03-31 01:39:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-03-31 01:39:11,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-03-31 01:39:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-03-31 01:39:11,305 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-03-31 01:39:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:39:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:39:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:39:11,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:39:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-03-31 01:39:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-03-31 01:39:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-03-31 01:39:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-03-31 01:39:11,306 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-03-31 01:39:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 01:39:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 01:39:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 01:39:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:39:11,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 01:39:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-03-31 01:39:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-03-31 01:39:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 01:39:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-03-31 01:39:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-03-31 01:39:11,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-03-31 01:39:11,309 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-03-31 01:39:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-03-31 01:39:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-03-31 01:39:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-03-31 01:39:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:11,310 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-03-31 01:39:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-03-31 01:39:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-03-31 01:39:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-03-31 01:39:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-03-31 01:39:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:11,311 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-03-31 01:39:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-03-31 01:39:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:11,312 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:39:11,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:39:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:39:11,844 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:39:11,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:39:25,374 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:39:25,397 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:39:25,397 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 01:39:25,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:25 BoogieIcfgContainer [2023-03-31 01:39:25,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:39:25,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:39:25,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:39:25,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:39:25,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:39:09" (1/3) ... [2023-03-31 01:39:25,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcb109d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:25, skipping insertion in model container [2023-03-31 01:39:25,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:10" (2/3) ... [2023-03-31 01:39:25,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bcb109d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:25, skipping insertion in model container [2023-03-31 01:39:25,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:25" (3/3) ... [2023-03-31 01:39:25,413 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M4-1.c [2023-03-31 01:39:25,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:39:25,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:39:25,517 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:39:25,522 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;@493a99a1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:39:25,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:39:25,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 2403 states, 1400 states have (on average 1.195) internal successors, (1673), 1406 states have internal predecessors, (1673), 958 states have call successors, (958), 40 states have call predecessors, (958), 40 states have return successors, (958), 956 states have call predecessors, (958), 958 states have call successors, (958) [2023-03-31 01:39:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1357 [2023-03-31 01:39:25,611 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:39:25,613 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 01:39:25,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:39:25,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:39:25,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1854721846, now seen corresponding path program 1 times [2023-03-31 01:39:25,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:39:25,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201112631] [2023-03-31 01:39:25,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:39:25,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms