/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.4.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 02:17:01,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 02:17:01,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 02:17:01,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 02:17:01,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 02:17:01,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 02:17:01,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 02:17:01,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 02:17:01,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 02:17:01,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 02:17:01,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 02:17:01,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 02:17:01,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 02:17:01,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 02:17:01,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 02:17:01,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 02:17:01,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 02:17:01,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 02:17:01,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 02:17:01,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 02:17:01,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 02:17:01,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 02:17:01,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 02:17:01,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 02:17:01,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 02:17:01,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 02:17:01,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 02:17:01,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 02:17:01,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 02:17:01,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 02:17:01,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 02:17:01,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 02:17:01,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 02:17:01,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 02:17:01,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 02:17:01,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 02:17:01,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 02:17:01,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 02:17:01,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 02:17:01,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 02:17:01,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 02:17:01,201 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 [2023-04-03 02:17:01,225 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 02:17:01,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 02:17:01,226 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 02:17:01,226 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 02:17:01,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 02:17:01,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 02:17:01,227 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 02:17:01,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 02:17:01,227 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 02:17:01,227 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 02:17:01,228 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 02:17:01,228 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 02:17:01,228 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 02:17:01,228 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 02:17:01,228 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 02:17:01,228 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 02:17:01,228 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 02:17:01,228 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 02:17:01,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 02:17:01,229 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 02:17:01,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 02:17:01,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 02:17:01,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 02:17:01,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 02:17:01,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 02:17:01,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 02:17:01,230 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 02:17:01,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 02:17:01,230 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 02:17:01,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 02:17:01,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 02:17:01,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 02:17:01,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:17:01,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 02:17:01,231 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 02:17:01,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 02:17:01,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 02:17:01,231 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 02:17:01,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 02:17:01,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 02:17:01,231 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 02:17:01,231 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 02:17:01,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 02:17:01,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 02:17:01,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 02:17:01,456 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 02:17:01,457 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 02:17:01,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.c [2023-04-03 02:17:02,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 02:17:03,043 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 02:17:03,043 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.4.M1.c [2023-04-03 02:17:03,060 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2ea1d90a/690f4bbdd9b142968e9018e7296c80e5/FLAG27fdf3314 [2023-04-03 02:17:03,070 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2ea1d90a/690f4bbdd9b142968e9018e7296c80e5 [2023-04-03 02:17:03,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 02:17:03,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 02:17:03,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 02:17:03,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 02:17:03,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 02:17:03,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:03,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164caabd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03, skipping insertion in model container [2023-04-03 02:17:03,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:03,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 02:17:03,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 02:17:03,258 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.4.M1.c[1806,1819] [2023-04-03 02:17:03,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:17:03,729 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 02:17:03,738 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.4.M1.c[1806,1819] [2023-04-03 02:17:03,896 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:17:03,914 INFO L208 MainTranslator]: Completed translation [2023-04-03 02:17:03,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03 WrapperNode [2023-04-03 02:17:03,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 02:17:03,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 02:17:03,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 02:17:03,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 02:17:03,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:03,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 02:17:04,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 02:17:04,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 02:17:04,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 02:17:04,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (1/1) ... [2023-04-03 02:17:04,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:17:04,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 02:17:04,245 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) [2023-04-03 02:17:04,269 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 [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-03 02:17:04,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-03 02:17:04,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-03 02:17:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-04-03 02:17:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-04-03 02:17:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_trans [2023-04-03 02:17:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2023-04-03 02:17:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2023-04-03 02:17:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-04-03 02:17:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-03 02:17:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-03 02:17:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-04-03 02:17:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-03 02:17:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-03 02:17:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-03 02:17:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-03 02:17:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-03 02:17:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_trans [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-03 02:17:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-04-03 02:17:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-03 02:17:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-03 02:17:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-03 02:17:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-03 02:17:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-03 02:17:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-03 02:17:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-04-03 02:17:04,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 02:17:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 02:17:04,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 02:17:04,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 02:17:04,837 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 02:17:04,839 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 02:17:26,355 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 02:17:26,565 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 02:17:26,565 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 02:17:26,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:17:26 BoogieIcfgContainer [2023-04-03 02:17:26,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 02:17:26,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 02:17:26,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 02:17:26,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 02:17:26,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 02:17:03" (1/3) ... [2023-04-03 02:17:26,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e120d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:17:26, skipping insertion in model container [2023-04-03 02:17:26,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:17:03" (2/3) ... [2023-04-03 02:17:26,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e120d36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:17:26, skipping insertion in model container [2023-04-03 02:17:26,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:17:26" (3/3) ... [2023-04-03 02:17:26,577 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.4.M1.c [2023-04-03 02:17:26,589 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 02:17:26,589 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 02:17:26,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 02:17:26,692 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;@79cc433a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 02:17:26,692 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 02:17:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand has 3614 states, 2028 states have (on average 1.163214990138067) internal successors, (2359), 2035 states have internal predecessors, (2359), 1531 states have call successors, (1531), 50 states have call predecessors, (1531), 50 states have return successors, (1531), 1529 states have call predecessors, (1531), 1531 states have call successors, (1531) [2023-04-03 02:17:26,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 970 [2023-04-03 02:17:26,746 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 02:17:26,748 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-03 02:17:26,748 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 02:17:26,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 02:17:26,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1652044036, now seen corresponding path program 1 times [2023-04-03 02:17:26,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 02:17:26,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317634358] [2023-04-03 02:17:26,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 02:17:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms