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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.4.M4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:27:06,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:27:06,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:27:06,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:27:06,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:27:06,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:27:06,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:27:06,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:27:06,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:27:06,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:27:06,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:27:06,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:27:06,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:27:06,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:27:06,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:27:06,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:27:06,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:27:06,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:27:06,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:27:06,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:27:06,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:27:06,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:27:06,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:27:06,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:27:06,567 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:27:06,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:27:06,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:27:06,569 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:27:06,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:27:06,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:27:06,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:27:06,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:27:06,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:27:06,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:27:06,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:27:06,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:27:06,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:27:06,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:27:06,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:27:06,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:27:06,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:27:06,580 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 [2019-10-13 21:27:06,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:27:06,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:27:06,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:27:06,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:27:06,613 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:27:06,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:27:06,613 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:27:06,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:27:06,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:27:06,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:27:06,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:27:06,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:27:06,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:27:06,617 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:27:06,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:27:06,618 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:27:06,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:27:06,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:27:06,618 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:27:06,618 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:27:06,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:27:06,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:27:06,619 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:27:06,619 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:27:06,620 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:27:06,620 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:27:06,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:27:06,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:27:06,620 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:27:06,872 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:27:06,884 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:27:06,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:27:06,889 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:27:06,889 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:27:06,890 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.4.M4.c [2019-10-13 21:27:06,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed7e9c9b/772bad2f035c4a3fb887f4a2fd139906/FLAGcedbc6e3e [2019-10-13 21:27:07,663 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:27:07,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.4.M4.c [2019-10-13 21:27:07,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed7e9c9b/772bad2f035c4a3fb887f4a2fd139906/FLAGcedbc6e3e [2019-10-13 21:27:07,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fed7e9c9b/772bad2f035c4a3fb887f4a2fd139906 [2019-10-13 21:27:07,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:27:07,840 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:27:07,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:27:07,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:27:07,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:27:07,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:27:07" (1/1) ... [2019-10-13 21:27:07,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35b66671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:07, skipping insertion in model container [2019-10-13 21:27:07,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:27:07" (1/1) ... [2019-10-13 21:27:07,858 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:27:07,959 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:27:08,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:27:08,874 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:27:09,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:27:09,459 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:27:09,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09 WrapperNode [2019-10-13 21:27:09,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:27:09,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:27:09,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:27:09,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:27:09,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (1/1) ... [2019-10-13 21:27:09,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (1/1) ... [2019-10-13 21:27:09,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (1/1) ... [2019-10-13 21:27:09,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (1/1) ... [2019-10-13 21:27:09,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (1/1) ... [2019-10-13 21:27:09,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (1/1) ... [2019-10-13 21:27:09,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (1/1) ... [2019-10-13 21:27:09,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:27:09,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:27:09,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:27:09,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:27:09,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (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 [2019-10-13 21:27:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-13 21:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-13 21:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-13 21:27:09,984 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-13 21:27:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-13 21:27:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-13 21:27:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-13 21:27:09,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-13 21:27:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-13 21:27:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-13 21:27:09,987 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-13 21:27:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-10-13 21:27:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-13 21:27:09,988 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-10-13 21:27:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-13 21:27:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-13 21:27:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-13 21:27:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-13 21:27:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-13 21:27:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-13 21:27:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-13 21:27:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-13 21:27:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-13 21:27:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-13 21:27:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-13 21:27:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-13 21:27:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-13 21:27:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:27:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-10-13 21:27:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-13 21:27:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-13 21:27:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-10-13 21:27:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-10-13 21:27:09,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_trans [2019-10-13 21:27:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-13 21:27:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-13 21:27:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-10-13 21:27:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-13 21:27:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-13 21:27:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-10-13 21:27:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-10-13 21:27:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2019-10-13 21:27:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-13 21:27:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-13 21:27:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-13 21:27:09,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2019-10-13 21:27:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2019-10-13 21:27:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-13 21:27:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-13 21:27:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-13 21:27:09,996 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-13 21:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-13 21:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-13 21:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-13 21:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-13 21:27:09,997 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-13 21:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 21:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-13 21:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-13 21:27:09,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-13 21:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-13 21:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 21:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-13 21:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2019-10-13 21:27:09,999 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2019-10-13 21:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-10-13 21:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-10-13 21:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-13 21:27:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-13 21:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:27:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:27:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 21:27:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-13 21:27:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-13 21:27:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-13 21:27:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-13 21:27:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-10-13 21:27:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-10-13 21:27:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-10-13 21:27:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-10-13 21:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_trans [2019-10-13 21:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2019-10-13 21:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-13 21:27:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-13 21:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-13 21:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-13 21:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-13 21:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-13 21:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-13 21:27:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-13 21:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-13 21:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-13 21:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-13 21:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-13 21:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-10-13 21:27:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-13 21:27:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-10-13 21:27:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-13 21:27:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-13 21:27:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-13 21:27:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-13 21:27:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-13 21:27:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-13 21:27:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-13 21:27:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-13 21:27:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-13 21:27:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-13 21:27:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-13 21:27:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-13 21:27:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-13 21:27:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:27:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:27:10,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:27:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:27:21,456 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:27:21,456 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-13 21:27:21,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:27:21 BoogieIcfgContainer [2019-10-13 21:27:21,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:27:21,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:27:21,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:27:21,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:27:21,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:27:07" (1/3) ... [2019-10-13 21:27:21,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c989ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:27:21, skipping insertion in model container [2019-10-13 21:27:21,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:27:09" (2/3) ... [2019-10-13 21:27:21,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c989ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:27:21, skipping insertion in model container [2019-10-13 21:27:21,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:27:21" (3/3) ... [2019-10-13 21:27:21,470 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_aso.4.M4.c [2019-10-13 21:27:21,479 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:27:21,493 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:27:21,505 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:27:21,546 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:27:21,549 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:27:21,549 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:27:21,549 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:27:21,550 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:27:21,551 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:27:21,551 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:27:21,551 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:27:21,601 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states. [2019-10-13 21:27:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 21:27:21,618 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:27:21,619 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:27:21,621 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:27:21,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:27:21,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1531271662, now seen corresponding path program 1 times [2019-10-13 21:27:21,635 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:27:21,635 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406804188] [2019-10-13 21:27:21,636 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:27:21,636 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:27:21,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:27:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat