/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/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 06:24:17,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 06:24:17,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 06:24:17,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 06:24:17,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 06:24:17,815 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 06:24:17,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 06:24:17,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 06:24:17,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 06:24:17,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 06:24:17,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 06:24:17,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 06:24:17,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 06:24:17,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 06:24:17,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 06:24:17,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 06:24:17,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 06:24:17,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 06:24:17,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 06:24:17,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 06:24:17,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 06:24:17,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 06:24:17,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 06:24:17,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 06:24:17,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 06:24:17,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 06:24:17,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 06:24:17,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 06:24:17,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 06:24:17,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 06:24:17,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 06:24:17,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 06:24:17,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 06:24:17,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 06:24:17,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 06:24:17,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 06:24:17,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 06:24:17,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 06:24:17,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 06:24:17,845 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 06:24:17,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 06:24:17,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 06:24:17,868 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 06:24:17,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 06:24:17,868 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 06:24:17,868 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 06:24:17,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 06:24:17,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 06:24:17,869 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 06:24:17,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 06:24:17,869 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 06:24:17,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 06:24:17,869 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 06:24:17,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 06:24:17,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 06:24:17,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 06:24:17,870 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 06:24:17,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 06:24:17,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 06:24:17,870 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 06:24:17,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 06:24:17,870 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 06:24:17,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 06:24:17,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 06:24:17,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 06:24:17,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:24:17,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 06:24:17,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 06:24:18,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 06:24:18,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 06:24:18,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 06:24:18,106 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 06:24:18,106 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 06:24:18,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-1.c [2023-04-01 06:24:19,171 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 06:24:19,451 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 06:24:19,451 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-1.c [2023-04-01 06:24:19,467 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2ef90965/dc85023587af410d9211f3a4cbe41335/FLAG0dcac2725 [2023-04-01 06:24:19,478 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2ef90965/dc85023587af410d9211f3a4cbe41335 [2023-04-01 06:24:19,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 06:24:19,482 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 06:24:19,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 06:24:19,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 06:24:19,485 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 06:24:19,486 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:24:19" (1/1) ... [2023-04-01 06:24:19,487 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a29f190 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:19, skipping insertion in model container [2023-04-01 06:24:19,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:24:19" (1/1) ... [2023-04-01 06:24:19,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 06:24:19,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 06:24:19,662 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-1.c[1800,1813] [2023-04-01 06:24:19,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:24:19,984 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 06:24:20,005 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.1.M1-1.c[1800,1813] [2023-04-01 06:24:20,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:24:20,204 INFO L208 MainTranslator]: Completed translation [2023-04-01 06:24:20,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20 WrapperNode [2023-04-01 06:24:20,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 06:24:20,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 06:24:20,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 06:24:20,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 06:24:20,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 06:24:20,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 06:24:20,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 06:24:20,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 06:24:20,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (1/1) ... [2023-04-01 06:24:20,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:24:20,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:24:20,520 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) [2023-04-01 06:24:20,547 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 [2023-04-01 06:24:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 06:24:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 06:24:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 06:24:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 06:24:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-01 06:24:20,561 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-01 06:24:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-01 06:24:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-01 06:24:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-01 06:24:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-01 06:24:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-01 06:24:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-01 06:24:20,562 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-01 06:24:20,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-04-01 06:24:20,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-01 06:24:20,565 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-01 06:24:20,566 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-01 06:24:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 06:24:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 06:24:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 06:24:20,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-01 06:24:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-01 06:24:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-01 06:24:20,569 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-01 06:24:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-01 06:24:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-01 06:24:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-01 06:24:20,570 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-01 06:24:20,571 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 06:24:20,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 06:24:21,098 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 06:24:21,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 06:24:30,584 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 06:24:30,738 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 06:24:30,739 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 06:24:30,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:24:30 BoogieIcfgContainer [2023-04-01 06:24:30,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 06:24:30,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 06:24:30,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 06:24:30,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 06:24:30,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 06:24:19" (1/3) ... [2023-04-01 06:24:30,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488b902a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:24:30, skipping insertion in model container [2023-04-01 06:24:30,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:20" (2/3) ... [2023-04-01 06:24:30,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@488b902a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:24:30, skipping insertion in model container [2023-04-01 06:24:30,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:24:30" (3/3) ... [2023-04-01 06:24:30,750 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.1.M1-1.c [2023-04-01 06:24:30,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 06:24:30,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 06:24:30,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 06:24:30,847 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=FINITE_AUTOMATA, 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;@51725b35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 06:24:30,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 06:24:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 2357 states, 1355 states have (on average 1.1955719557195572) internal successors, (1620), 1361 states have internal predecessors, (1620), 957 states have call successors, (957), 40 states have call predecessors, (957), 40 states have return successors, (957), 955 states have call predecessors, (957), 957 states have call successors, (957) [2023-04-01 06:24:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 932 [2023-04-01 06:24:30,906 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:24:30,907 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-01 06:24:30,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:24:30,912 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:24:30,912 INFO L85 PathProgramCache]: Analyzing trace with hash -798844395, now seen corresponding path program 1 times [2023-04-01 06:24:30,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:24:30,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108498938] [2023-04-01 06:24:30,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:24:30,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms