/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/SifaC.xml --sifa.abstract.domain OctagonDomain -i ../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 12:09:14,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 12:09:14,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 12:09:14,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 12:09:14,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 12:09:14,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 12:09:14,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 12:09:14,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 12:09:14,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 12:09:14,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 12:09:14,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 12:09:14,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 12:09:14,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 12:09:14,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 12:09:14,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 12:09:14,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 12:09:14,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 12:09:14,746 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 12:09:14,746 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 12:09:14,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 12:09:14,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 12:09:14,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 12:09:14,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 12:09:14,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 12:09:14,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 12:09:14,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 12:09:14,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 12:09:14,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 12:09:14,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 12:09:14,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 12:09:14,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 12:09:14,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 12:09:14,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 12:09:14,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 12:09:14,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 12:09:14,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 12:09:14,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 12:09:14,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 12:09:14,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 12:09:14,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 12:09:14,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 12:09:14,769 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 [2023-03-31 12:09:14,792 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 12:09:14,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 12:09:14,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 12:09:14,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 12:09:14,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 12:09:14,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 12:09:14,793 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 12:09:14,793 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 12:09:14,793 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 12:09:14,794 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 12:09:14,794 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 12:09:14,794 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 12:09:14,794 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 12:09:14,794 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 12:09:14,794 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 12:09:14,795 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 12:09:14,795 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 12:09:14,795 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 12:09:14,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 12:09:14,795 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 12:09:14,795 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 12:09:14,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 12:09:14,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 12:09:14,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 12:09:14,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 12:09:14,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 12:09:14,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 12:09:14,797 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-03-31 12:09:14,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 12:09:15,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 12:09:15,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 12:09:15,025 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 12:09:15,026 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 12:09:15,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-2.c [2023-03-31 12:09:16,310 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 12:09:16,784 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 12:09:16,785 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-2.c [2023-03-31 12:09:16,821 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d26bc5e/81d93a7506ee4d11973dfa8f518a985a/FLAG50683e0ce [2023-03-31 12:09:16,833 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d26bc5e/81d93a7506ee4d11973dfa8f518a985a [2023-03-31 12:09:16,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 12:09:16,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 12:09:16,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 12:09:16,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 12:09:16,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 12:09:16,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:09:16" (1/1) ... [2023-03-31 12:09:16,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c25695f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:16, skipping insertion in model container [2023-03-31 12:09:16,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:09:16" (1/1) ... [2023-03-31 12:09:16,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 12:09:17,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 12:09:17,227 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-2.c[1674,1687] [2023-03-31 12:09:18,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 12:09:18,126 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 12:09:18,142 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.1.M4-2.c[1674,1687] [2023-03-31 12:09:18,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 12:09:18,803 INFO L208 MainTranslator]: Completed translation [2023-03-31 12:09:18,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18 WrapperNode [2023-03-31 12:09:18,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 12:09:18,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 12:09:18,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 12:09:18,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 12:09:18,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:18,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:19,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:19,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:19,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:19,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:20,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:20,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:20,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 12:09:20,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 12:09:20,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 12:09:20,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 12:09:20,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:09:18" (1/1) ... [2023-03-31 12:09:20,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 12:09:20,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 12:09:20,441 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 12:09:20,493 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 12:09:20,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-03-31 12:09:20,514 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-03-31 12:09:20,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-03-31 12:09:20,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-03-31 12:09:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-03-31 12:09:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-03-31 12:09:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-03-31 12:09:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2023-03-31 12:09:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-03-31 12:09:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-03-31 12:09:20,517 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2023-03-31 12:09:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 12:09:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 12:09:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 12:09:20,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-03-31 12:09:20,518 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-03-31 12:09:20,519 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-03-31 12:09:20,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2023-03-31 12:09:20,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-03-31 12:09:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2023-03-31 12:09:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2023-03-31 12:09:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 12:09:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 12:09:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 12:09:20,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 12:09:22,188 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 12:09:22,191 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 12:10:13,516 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 12:10:13,801 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 12:10:13,801 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-03-31 12:10:13,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:10:13 BoogieIcfgContainer [2023-03-31 12:10:13,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 12:10:13,815 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2023-03-31 12:10:13,815 INFO L271 PluginConnector]: Initializing Sifa... [2023-03-31 12:10:13,815 INFO L275 PluginConnector]: Sifa initialized [2023-03-31 12:10:13,816 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:10:13" (1/1) ... [2023-03-31 12:10:13,816 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=OctagonDomain ♦ Max. Parallel Octagon=2 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=POLY_PAC ♦ Max. Parallel Equality=2 ♦ SizeLimitFluid Max. DAG Size=-1 [2023-03-31 12:10:13,838 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2023-03-31 12:10:13,838 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 12:10:13,867 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 12:10:13,871 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 12:10:13,872 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 12:10:15,628 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 320 for LOIs [2023-03-31 12:10:18,166 INFO L197 IcfgInterpreter]: Interpreting procedure __main with input of size 319 for LOIs