/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/rekcba_nxt.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-03 02:14:40,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-03 02:14:40,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-03 02:14:40,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-03 02:14:40,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-03 02:14:40,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-03 02:14:40,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-03 02:14:40,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-03 02:14:40,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-03 02:14:40,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-03 02:14:40,906 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-03 02:14:40,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-03 02:14:40,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-03 02:14:40,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-03 02:14:40,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-03 02:14:40,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-03 02:14:40,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-03 02:14:40,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-03 02:14:40,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-03 02:14:40,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-03 02:14:40,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-03 02:14:40,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-03 02:14:40,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-03 02:14:40,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-03 02:14:40,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-03 02:14:40,923 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-03 02:14:40,923 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-03 02:14:40,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-03 02:14:40,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-03 02:14:40,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-03 02:14:40,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-03 02:14:40,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-03 02:14:40,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-03 02:14:40,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-03 02:14:40,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-03 02:14:40,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-03 02:14:40,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-03 02:14:40,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-03 02:14:40,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-03 02:14:40,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-03 02:14:40,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-03 02:14:40,937 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 02:14:40,966 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-03 02:14:40,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-03 02:14:40,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-03 02:14:40,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-03 02:14:40,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-03 02:14:40,968 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-03 02:14:40,968 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-03 02:14:40,968 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-03 02:14:40,968 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-03 02:14:40,968 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-03 02:14:40,969 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-03 02:14:40,969 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-03 02:14:40,969 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-03 02:14:40,970 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-03 02:14:40,970 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-03 02:14:40,970 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-03 02:14:40,970 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-03 02:14:40,970 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-03 02:14:40,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-03 02:14:40,971 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-03 02:14:40,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-03 02:14:40,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-03 02:14:40,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-03 02:14:40,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-03 02:14:40,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-03 02:14:40,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-03 02:14:40,972 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-03 02:14:40,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-03 02:14:40,972 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-03 02:14:40,972 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-03 02:14:40,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-03 02:14:40,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-03 02:14:40,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:14:40,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-03 02:14:40,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-03 02:14:40,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-03 02:14:40,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-03 02:14:40,973 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-03 02:14:40,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-03 02:14:40,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-03 02:14:40,974 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-03 02:14:40,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> OctagonDomain [2023-04-03 02:14:41,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-03 02:14:41,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-03 02:14:41,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-03 02:14:41,215 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-03 02:14:41,215 INFO L275 PluginConnector]: CDTParser initialized [2023-04-03 02:14:41,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2023-04-03 02:14:42,462 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-03 02:14:42,788 INFO L351 CDTParser]: Found 1 translation units. [2023-04-03 02:14:42,797 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.3.M1.c [2023-04-03 02:14:42,818 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6434d48d7/4741b6dd08d5429ea804085d1b3ee25e/FLAG6444c062a [2023-04-03 02:14:42,832 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6434d48d7/4741b6dd08d5429ea804085d1b3ee25e [2023-04-03 02:14:42,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-03 02:14:42,837 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-03 02:14:42,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-03 02:14:42,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-03 02:14:42,843 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-03 02:14:42,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:14:42" (1/1) ... [2023-04-03 02:14:42,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79375e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:42, skipping insertion in model container [2023-04-03 02:14:42,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 02:14:42" (1/1) ... [2023-04-03 02:14:42,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-03 02:14:42,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-03 02:14:43,054 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.3.M1.c[2017,2030] [2023-04-03 02:14:43,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:14:43,419 INFO L203 MainTranslator]: Completed pre-run [2023-04-03 02:14:43,443 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.3.M1.c[2017,2030] [2023-04-03 02:14:43,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-03 02:14:43,655 INFO L208 MainTranslator]: Completed translation [2023-04-03 02:14:43,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43 WrapperNode [2023-04-03 02:14:43,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-03 02:14:43,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-03 02:14:43,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-03 02:14:43,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-03 02:14:43,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,874 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-03 02:14:43,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-03 02:14:43,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-03 02:14:43,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-03 02:14:43,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (1/1) ... [2023-04-03 02:14:43,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-03 02:14:43,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-03 02:14:43,955 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 02:14:43,964 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 02:14:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2023-04-03 02:14:43,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2023-04-03 02:14:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2023-04-03 02:14:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2023-04-03 02:14:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2023-04-03 02:14:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-03 02:14:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-04-03 02:14:43,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-04-03 02:14:43,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2023-04-03 02:14:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2023-04-03 02:14:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-04-03 02:14:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-04-03 02:14:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2023-04-03 02:14:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2023-04-03 02:14:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2023-04-03 02:14:43,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2023-04-03 02:14:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2023-04-03 02:14:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-04-03 02:14:43,998 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-04-03 02:14:43,999 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2023-04-03 02:14:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-03 02:14:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-03 02:14:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-03 02:14:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-03 02:14:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2023-04-03 02:14:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2023-04-03 02:14:43,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-04-03 02:14:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-04-03 02:14:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-04-03 02:14:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2023-04-03 02:14:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2023-04-03 02:14:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-03 02:14:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-04-03 02:14:44,000 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-04-03 02:14:44,001 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-04-03 02:14:44,002 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2023-04-03 02:14:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2023-04-03 02:14:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2023-04-03 02:14:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2023-04-03 02:14:44,003 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2023-04-03 02:14:44,004 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2023-04-03 02:14:44,005 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-03 02:14:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-03 02:14:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-03 02:14:44,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-03 02:14:44,453 INFO L236 CfgBuilder]: Building ICFG [2023-04-03 02:14:44,457 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-03 02:14:51,962 INFO L277 CfgBuilder]: Performing block encoding [2023-04-03 02:14:52,092 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-03 02:14:52,092 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-03 02:14:52,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:14:52 BoogieIcfgContainer [2023-04-03 02:14:52,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-03 02:14:52,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-03 02:14:52,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-03 02:14:52,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-03 02:14:52,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 02:14:42" (1/3) ... [2023-04-03 02:14:52,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2716e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:14:52, skipping insertion in model container [2023-04-03 02:14:52,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 02:14:43" (2/3) ... [2023-04-03 02:14:52,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b2716e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 02:14:52, skipping insertion in model container [2023-04-03 02:14:52,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 02:14:52" (3/3) ... [2023-04-03 02:14:52,105 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.3.M1.c [2023-04-03 02:14:52,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-03 02:14:52,122 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-03 02:14:52,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-03 02:14:52,198 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;@75fd3ee4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-03 02:14:52,198 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-03 02:14:52,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 1324 states, 798 states have (on average 1.2656641604010026) internal successors, (1010), 832 states have internal predecessors, (1010), 479 states have call successors, (479), 42 states have call predecessors, (479), 42 states have return successors, (479), 476 states have call predecessors, (479), 479 states have call successors, (479) [2023-04-03 02:14:52,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2023-04-03 02:14:52,256 INFO L187 NwaCegarLoop]: Found error trace [2023-04-03 02:14:52,258 INFO L195 NwaCegarLoop]: trace histogram [111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:52,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-03 02:14:52,264 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-03 02:14:52,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1466012345, now seen corresponding path program 1 times [2023-04-03 02:14:52,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-03 02:14:52,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784388971] [2023-04-03 02:14:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-03 02:14:52,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms