/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.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 06:24:43,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 06:24:43,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 06:24:43,351 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 06:24:43,352 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 06:24:43,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 06:24:43,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 06:24:43,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 06:24:43,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 06:24:43,361 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 06:24:43,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 06:24:43,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 06:24:43,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 06:24:43,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 06:24:43,364 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 06:24:43,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 06:24:43,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 06:24:43,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 06:24:43,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 06:24:43,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 06:24:43,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 06:24:43,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 06:24:43,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 06:24:43,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 06:24:43,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 06:24:43,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 06:24:43,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 06:24:43,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 06:24:43,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 06:24:43,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 06:24:43,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 06:24:43,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 06:24:43,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 06:24:43,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 06:24:43,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 06:24:43,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 06:24:43,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 06:24:43,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 06:24:43,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 06:24:43,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 06:24:43,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 06:24:43,381 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 06:24:43,398 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 06:24:43,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 06:24:43,398 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 06:24:43,398 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 06:24:43,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 06:24:43,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 06:24:43,399 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 06:24:43,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 06:24:43,399 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 06:24:43,399 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 06:24:43,399 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 06:24:43,400 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 06:24:43,400 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 06:24:43,400 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 06:24:43,400 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 06:24:43,400 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 06:24:43,400 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 06:24:43,400 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 06:24:43,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 06:24:43,401 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 06:24:43,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:24:43,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 06:24:43,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 06:24:43,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 06:24:43,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-01 06:24:43,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 06:24:43,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 06:24:43,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 06:24:43,644 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 06:24:43,645 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 06:24:43,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c [2023-04-01 06:24:44,726 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 06:24:45,034 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 06:24:45,034 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_aso.3.M1.c [2023-04-01 06:24:45,056 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064dd7955/07f24d1eae3948719703783a67defed4/FLAG4d3d1357f [2023-04-01 06:24:45,069 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/064dd7955/07f24d1eae3948719703783a67defed4 [2023-04-01 06:24:45,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 06:24:45,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 06:24:45,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 06:24:45,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 06:24:45,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 06:24:45,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:24:45" (1/1) ... [2023-04-01 06:24:45,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6c1841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:45, skipping insertion in model container [2023-04-01 06:24:45,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 06:24:45" (1/1) ... [2023-04-01 06:24:45,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 06:24:45,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 06:24:45,317 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.3.M1.c[1806,1819] [2023-04-01 06:24:45,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:24:45,815 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 06:24:45,833 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.3.M1.c[1806,1819] [2023-04-01 06:24:46,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 06:24:46,049 INFO L208 MainTranslator]: Completed translation [2023-04-01 06:24:46,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46 WrapperNode [2023-04-01 06:24:46,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 06:24:46,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 06:24:46,051 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 06:24:46,051 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 06:24:46,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,372 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,436 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 06:24:46,437 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 06:24:46,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 06:24:46,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 06:24:46,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (1/1) ... [2023-04-01 06:24:46,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 06:24:46,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 06:24:46,463 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 06:24:46,484 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 06:24:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 06:24:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 06:24:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 06:24:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-01 06:24:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-01 06:24:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-01 06:24:46,509 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-01 06:24:46,510 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-01 06:24:46,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2023-04-01 06:24:46,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2023-04-01 06:24:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2023-04-01 06:24:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2023-04-01 06:24:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-01 06:24:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-01 06:24:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2023-04-01 06:24:46,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-01 06:24:46,514 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-01 06:24:46,515 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-01 06:24:46,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 06:24:46,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 06:24:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 06:24:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-01 06:24:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-01 06:24:46,517 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-01 06:24:46,518 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-01 06:24:46,519 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2023-04-01 06:24:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2023-04-01 06:24:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-01 06:24:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-01 06:24:46,520 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-01 06:24:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-01 06:24:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-01 06:24:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-01 06:24:46,521 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2023-04-01 06:24:46,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 06:24:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 06:24:46,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 06:24:46,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 06:24:47,301 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 06:24:47,303 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 06:25:09,008 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 06:25:09,190 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 06:25:09,190 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 06:25:09,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:25:09 BoogieIcfgContainer [2023-04-01 06:25:09,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 06:25:09,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 06:25:09,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 06:25:09,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 06:25:09,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 06:24:45" (1/3) ... [2023-04-01 06:25:09,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db9fd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:25:09, skipping insertion in model container [2023-04-01 06:25:09,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 06:24:46" (2/3) ... [2023-04-01 06:25:09,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db9fd82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 06:25:09, skipping insertion in model container [2023-04-01 06:25:09,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 06:25:09" (3/3) ... [2023-04-01 06:25:09,213 INFO L112 eAbstractionObserver]: Analyzing ICFG rekh_aso.3.M1.c [2023-04-01 06:25:09,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 06:25:09,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 06:25:09,390 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 06:25:09,395 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;@43cb2509, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 06:25:09,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 06:25:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 3620 states, 2031 states have (on average 1.1629739044805514) internal successors, (2362), 2038 states have internal predecessors, (2362), 1534 states have call successors, (1534), 50 states have call predecessors, (1534), 50 states have return successors, (1534), 1532 states have call predecessors, (1534), 1534 states have call successors, (1534) [2023-04-01 06:25:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 970 [2023-04-01 06:25:09,462 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 06:25:09,463 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] [2023-04-01 06:25:09,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 06:25:09,470 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 06:25:09,470 INFO L85 PathProgramCache]: Analyzing trace with hash -836808278, now seen corresponding path program 1 times [2023-04-01 06:25:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 06:25:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410020942] [2023-04-01 06:25:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 06:25:09,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms