java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 16:05:40,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 16:05:40,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 16:05:40,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 16:05:40,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 16:05:40,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 16:05:40,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 16:05:40,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 16:05:40,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 16:05:40,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 16:05:40,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 16:05:40,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 16:05:40,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 16:05:40,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 16:05:40,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 16:05:40,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 16:05:40,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 16:05:40,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 16:05:40,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 16:05:41,000 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 16:05:41,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 16:05:41,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 16:05:41,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 16:05:41,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 16:05:41,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 16:05:41,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 16:05:41,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 16:05:41,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 16:05:41,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 16:05:41,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 16:05:41,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 16:05:41,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 16:05:41,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 16:05:41,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 16:05:41,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 16:05:41,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 16:05:41,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 16:05:41,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 16:05:41,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 16:05:41,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 16:05:41,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 16:05:41,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 16:05:41,029 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 16:05:41,030 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 16:05:41,031 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 16:05:41,031 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 16:05:41,031 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 16:05:41,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 16:05:41,032 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 16:05:41,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 16:05:41,032 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 16:05:41,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 16:05:41,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 16:05:41,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 16:05:41,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 16:05:41,033 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 16:05:41,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 16:05:41,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 16:05:41,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 16:05:41,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 16:05:41,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 16:05:41,034 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 16:05:41,035 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 16:05:41,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 16:05:41,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 16:05:41,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 16:05:41,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 16:05:41,036 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 16:05:41,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 16:05:41,036 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 16:05:41,036 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 16:05:41,349 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 16:05:41,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 16:05:41,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 16:05:41,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 16:05:41,375 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 16:05:41,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2019-10-07 16:05:41,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6526c84/be304626cafb45d28d50941b2a758749/FLAG1943ea5a2 [2019-10-07 16:05:42,050 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 16:05:42,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2019-10-07 16:05:42,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6526c84/be304626cafb45d28d50941b2a758749/FLAG1943ea5a2 [2019-10-07 16:05:42,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6526c84/be304626cafb45d28d50941b2a758749 [2019-10-07 16:05:42,277 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 16:05:42,279 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 16:05:42,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 16:05:42,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 16:05:42,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 16:05:42,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 04:05:42" (1/1) ... [2019-10-07 16:05:42,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35dbb1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:42, skipping insertion in model container [2019-10-07 16:05:42,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 04:05:42" (1/1) ... [2019-10-07 16:05:42,293 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 16:05:42,372 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 16:05:43,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 16:05:43,272 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 16:05:43,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 16:05:43,618 INFO L192 MainTranslator]: Completed translation [2019-10-07 16:05:43,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43 WrapperNode [2019-10-07 16:05:43,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 16:05:43,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 16:05:43,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 16:05:43,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 16:05:43,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... [2019-10-07 16:05:43,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... [2019-10-07 16:05:43,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... [2019-10-07 16:05:43,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... [2019-10-07 16:05:43,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... [2019-10-07 16:05:43,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... [2019-10-07 16:05:43,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... [2019-10-07 16:05:44,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 16:05:44,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 16:05:44,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 16:05:44,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 16:05:44,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 16:05:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 16:05:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 16:05:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-07 16:05:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-07 16:05:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-07 16:05:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-07 16:05:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-07 16:05:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-07 16:05:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-07 16:05:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-07 16:05:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-07 16:05:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-07 16:05:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-07 16:05:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-10-07 16:05:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-07 16:05:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-10-07 16:05:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-07 16:05:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-07 16:05:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-07 16:05:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-07 16:05:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-07 16:05:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-07 16:05:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-07 16:05:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-07 16:05:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-07 16:05:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-07 16:05:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-10-07 16:05:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-07 16:05:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-07 16:05:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-10-07 16:05:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-10-07 16:05:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 16:05:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-10-07 16:05:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-07 16:05:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-07 16:05:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-10-07 16:05:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-10-07 16:05:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2019-10-07 16:05:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-07 16:05:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-07 16:05:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-10-07 16:05:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-07 16:05:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-07 16:05:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-10-07 16:05:44,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-10-07 16:05:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2019-10-07 16:05:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-07 16:05:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-07 16:05:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-07 16:05:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2019-10-07 16:05:44,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2019-10-07 16:05:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-07 16:05:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-07 16:05:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-07 16:05:44,092 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-07 16:05:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 16:05:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-07 16:05:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-07 16:05:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-07 16:05:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-07 16:05:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-07 16:05:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-07 16:05:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-07 16:05:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-07 16:05:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 16:05:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-07 16:05:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-07 16:05:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-07 16:05:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-07 16:05:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2019-10-07 16:05:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2019-10-07 16:05:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-10-07 16:05:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-10-07 16:05:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-07 16:05:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-07 16:05:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 16:05:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 16:05:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 16:05:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 16:05:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-07 16:05:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-07 16:05:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-07 16:05:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-07 16:05:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-07 16:05:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-10-07 16:05:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-10-07 16:05:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-10-07 16:05:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-10-07 16:05:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2019-10-07 16:05:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2019-10-07 16:05:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-07 16:05:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-07 16:05:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-07 16:05:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-07 16:05:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-07 16:05:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-07 16:05:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-07 16:05:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-07 16:05:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-07 16:05:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-07 16:05:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-07 16:05:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-07 16:05:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-10-07 16:05:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-07 16:05:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-10-07 16:05:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-07 16:05:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-07 16:05:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-07 16:05:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-07 16:05:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-07 16:05:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-07 16:05:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-07 16:05:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-07 16:05:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-07 16:05:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-07 16:05:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-10-07 16:05:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-07 16:05:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-07 16:05:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-10-07 16:05:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-10-07 16:05:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 16:05:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 16:05:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 16:05:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 16:06:30,399 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 16:06:30,400 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-07 16:06:30,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 04:06:30 BoogieIcfgContainer [2019-10-07 16:06:30,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 16:06:30,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 16:06:30,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 16:06:30,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 16:06:30,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 04:05:42" (1/3) ... [2019-10-07 16:06:30,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aed1cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 04:06:30, skipping insertion in model container [2019-10-07 16:06:30,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 04:05:43" (2/3) ... [2019-10-07 16:06:30,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aed1cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 04:06:30, skipping insertion in model container [2019-10-07 16:06:30,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 04:06:30" (3/3) ... [2019-10-07 16:06:30,409 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2019-10-07 16:06:30,419 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 16:06:30,433 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 16:06:30,442 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 16:06:30,470 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 16:06:30,470 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 16:06:30,470 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 16:06:30,470 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 16:06:30,470 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 16:06:30,471 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 16:06:30,471 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 16:06:30,471 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 16:06:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states. [2019-10-07 16:06:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-07 16:06:30,524 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 16:06:30,525 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 16:06:30,527 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 16:06:30,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 16:06:30,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1422125873, now seen corresponding path program 1 times [2019-10-07 16:06:30,541 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 16:06:30,541 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 16:06:30,541 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 16:06:30,541 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 16:06:30,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 16:06:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat