/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.2.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:39:13,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:39:13,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:39:13,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:39:13,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:39:13,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:39:13,337 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:39:13,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:39:13,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:39:13,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:39:13,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:39:13,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:39:13,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:39:13,352 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:39:13,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:39:13,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:39:13,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:39:13,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:39:13,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:39:13,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:39:13,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:39:13,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:39:13,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:39:13,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:39:13,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:39:13,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:39:13,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:39:13,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:39:13,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:39:13,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:39:13,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:39:13,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:39:13,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:39:13,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:39:13,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:39:13,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:39:13,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:39:13,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:39:13,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:39:13,385 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:39:13,386 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:39:13,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:39:13,417 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:39:13,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:39:13,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:39:13,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:39:13,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:39:13,420 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:39:13,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:39:13,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:39:13,420 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:39:13,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:39:13,421 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:39:13,422 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:39:13,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:39:13,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:39:13,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:39:13,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:39:13,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:39:13,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:39:13,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:39:13,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:39:13,424 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:39:13,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:39:13,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:39:13,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:39:13,425 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:39:13,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:39:13,425 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:39:13,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:39:13,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:39:13,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:39:13,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:39:13,699 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:39:13,699 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:39:13,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2023-03-31 01:39:14,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:39:15,359 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:39:15,360 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.2.M1-1.c [2023-03-31 01:39:15,391 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/269cb17a5/ed0f77e2ddb445b6b307f9eef405d579/FLAGfc19310c1 [2023-03-31 01:39:15,413 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/269cb17a5/ed0f77e2ddb445b6b307f9eef405d579 [2023-03-31 01:39:15,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:39:15,418 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:39:15,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:39:15,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:39:15,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:39:15,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:39:15" (1/1) ... [2023-03-31 01:39:15,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631a013e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:15, skipping insertion in model container [2023-03-31 01:39:15,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:39:15" (1/1) ... [2023-03-31 01:39:15,431 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:39:15,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:39:15,754 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.2.M1-1.c[1807,1820] [2023-03-31 01:39:16,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:16,421 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:39:16,446 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.2.M1-1.c[1807,1820] [2023-03-31 01:39:16,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:39:16,825 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:39:16,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16 WrapperNode [2023-03-31 01:39:16,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:39:16,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:39:16,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:39:16,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:39:16,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:16,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:16,943 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:16,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:17,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:17,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:17,234 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:17,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:17,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:39:17,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:39:17,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:39:17,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:39:17,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (1/1) ... [2023-03-31 01:39:17,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:39:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:39:17,334 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 01:39:17,357 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 01:39:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:39:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:39:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:39:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 01:39:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-31 01:39:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-03-31 01:39:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-03-31 01:39:17,376 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:17,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-03-31 01:39:17,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_trans [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:17,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2023-03-31 01:39:17,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2023-03-31 01:39:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-03-31 01:39:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-03-31 01:39:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-03-31 01:39:17,381 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-03-31 01:39:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:39:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:39:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:39:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:39:17,382 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 01:39:17,383 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 01:39:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2023-03-31 01:39:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2023-03-31 01:39:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-03-31 01:39:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-03-31 01:39:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-03-31 01:39:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-03-31 01:39:17,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-03-31 01:39:17,385 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-03-31 01:39:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-03-31 01:39:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-03-31 01:39:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-03-31 01:39:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-03-31 01:39:17,386 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_trans [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-03-31 01:39:17,387 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-03-31 01:39:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-03-31 01:39:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-03-31 01:39:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-03-31 01:39:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-03-31 01:39:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-03-31 01:39:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-03-31 01:39:17,388 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 01:39:17,389 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 01:39:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-03-31 01:39:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-03-31 01:39:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-03-31 01:39:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-03-31 01:39:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-03-31 01:39:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:39:17,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:39:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:39:17,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:39:18,161 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:39:18,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:39:43,181 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:39:43,212 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:39:43,215 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 01:39:43,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:43 BoogieIcfgContainer [2023-03-31 01:39:43,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:39:43,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:39:43,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:39:43,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:39:43,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:39:15" (1/3) ... [2023-03-31 01:39:43,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e1298b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:43, skipping insertion in model container [2023-03-31 01:39:43,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:39:16" (2/3) ... [2023-03-31 01:39:43,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e1298b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:39:43, skipping insertion in model container [2023-03-31 01:39:43,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:39:43" (3/3) ... [2023-03-31 01:39:43,237 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M1-1.c [2023-03-31 01:39:43,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:39:43,256 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:39:43,406 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:39:43,416 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;@29952181, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:39:43,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:39:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 3665 states, 2078 states have (on average 1.1626564003849855) internal successors, (2416), 2085 states have internal predecessors, (2416), 1532 states have call successors, (1532), 50 states have call predecessors, (1532), 50 states have return successors, (1532), 1530 states have call predecessors, (1532), 1532 states have call successors, (1532) [2023-03-31 01:39:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1394 [2023-03-31 01:39:43,527 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:39:43,529 INFO L195 NwaCegarLoop]: trace histogram [210, 210, 210, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:39:43,530 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:39:43,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:39:43,537 INFO L85 PathProgramCache]: Analyzing trace with hash -253292880, now seen corresponding path program 1 times [2023-03-31 01:39:43,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:39:43,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869344392] [2023-03-31 01:39:43,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:39:43,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms