/usr/bin/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/rekcba_aso.3.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:08:17,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:08:17,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:08:17,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:08:17,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:08:17,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:08:17,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:08:17,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:08:17,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:08:17,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:08:17,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:08:17,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:08:17,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:08:17,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:08:17,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:08:17,669 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:08:17,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:08:17,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:08:17,672 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:08:17,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:08:17,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:08:17,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:08:17,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:08:17,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:08:17,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:08:17,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:08:17,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:08:17,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:08:17,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:08:17,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:08:17,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:08:17,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:08:17,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:08:17,684 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:08:17,685 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:08:17,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:08:17,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:08:17,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:08:17,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:08:17,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:08:17,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:08:17,688 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 [2019-11-07 01:08:17,701 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:08:17,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:08:17,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:08:17,703 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:08:17,703 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:08:17,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:08:17,704 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:08:17,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:08:17,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:08:17,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:08:17,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:08:17,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:08:17,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:08:17,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:08:17,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:08:17,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:08:17,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:08:17,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:08:17,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:08:17,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:08:17,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:08:17,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:08:17,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:08:17,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:08:17,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:08:17,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:08:17,708 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:08:17,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:08:17,708 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 [2019-11-07 01:08:18,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:08:18,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:08:18,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:08:18,036 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:08:18,036 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:08:18,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2019-11-07 01:08:18,106 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da5bc9700/7e2b7fa434cc4aca9abb93c91a2b3ac3/FLAGd8697ab6c [2019-11-07 01:08:18,819 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:08:18,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekcba_aso.3.M1.c [2019-11-07 01:08:18,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da5bc9700/7e2b7fa434cc4aca9abb93c91a2b3ac3/FLAGd8697ab6c [2019-11-07 01:08:18,975 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da5bc9700/7e2b7fa434cc4aca9abb93c91a2b3ac3 [2019-11-07 01:08:18,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:08:18,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:08:18,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:08:18,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:08:18,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:08:18,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:18" (1/1) ... [2019-11-07 01:08:18,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa7a281 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:18, skipping insertion in model container [2019-11-07 01:08:18,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:18" (1/1) ... [2019-11-07 01:08:19,005 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:08:19,099 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:08:19,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:08:19,976 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:08:20,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:08:20,375 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:08:20,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20 WrapperNode [2019-11-07 01:08:20,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:08:20,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:08:20,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:08:20,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:08:20,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (1/1) ... [2019-11-07 01:08:20,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (1/1) ... [2019-11-07 01:08:20,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (1/1) ... [2019-11-07 01:08:20,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (1/1) ... [2019-11-07 01:08:20,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (1/1) ... [2019-11-07 01:08:20,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (1/1) ... [2019-11-07 01:08:20,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (1/1) ... [2019-11-07 01:08:20,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:08:20,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:08:20,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:08:20,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:08:20,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (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 [2019-11-07 01:08:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:08:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:08:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-11-07 01:08:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-11-07 01:08:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-11-07 01:08:20,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-11-07 01:08:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-11-07 01:08:20,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-11-07 01:08:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-11-07 01:08:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-11-07 01:08:20,852 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-11-07 01:08:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-11-07 01:08:20,853 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-11-07 01:08:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-11-07 01:08:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-11-07 01:08:20,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-11-07 01:08:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 01:08:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 01:08:20,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 01:08:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 01:08:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-11-07 01:08:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-11-07 01:08:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-11-07 01:08:20,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-11-07 01:08:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-11-07 01:08:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-11-07 01:08:20,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2019-11-07 01:08:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-11-07 01:08:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-11-07 01:08:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2019-11-07 01:08:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2019-11-07 01:08:20,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:08:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-11-07 01:08:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-11-07 01:08:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-11-07 01:08:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-11-07 01:08:20,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-11-07 01:08:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_version [2019-11-07 01:08:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:08:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:08:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-11-07 01:08:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-11-07 01:08:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-11-07 01:08:20,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-11-07 01:08:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-11-07 01:08:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_version [2019-11-07 01:08:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:08:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:08:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-11-07 01:08:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2019-11-07 01:08:20,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2019-11-07 01:08:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-11-07 01:08:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-11-07 01:08:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-11-07 01:08:20,862 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-11-07 01:08:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:08:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-11-07 01:08:20,862 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-11-07 01:08:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-11-07 01:08:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-11-07 01:08:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-11-07 01:08:20,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 01:08:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 01:08:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 01:08:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:08:20,864 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-11-07 01:08:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-11-07 01:08:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 01:08:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 01:08:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2019-11-07 01:08:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2019-11-07 01:08:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-11-07 01:08:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-11-07 01:08:20,866 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-11-07 01:08:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-11-07 01:08:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:08:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:08:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:08:20,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:08:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 01:08:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-11-07 01:08:20,868 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-11-07 01:08:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-11-07 01:08:20,869 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-11-07 01:08:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-11-07 01:08:20,870 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-11-07 01:08:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-11-07 01:08:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-11-07 01:08:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_version [2019-11-07 01:08:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_version [2019-11-07 01:08:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-11-07 01:08:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-11-07 01:08:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-11-07 01:08:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-11-07 01:08:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-11-07 01:08:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-11-07 01:08:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-11-07 01:08:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-11-07 01:08:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-11-07 01:08:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-11-07 01:08:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-11-07 01:08:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-11-07 01:08:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-11-07 01:08:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-11-07 01:08:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-11-07 01:08:20,873 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:08:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:08:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 01:08:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 01:08:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:08:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:08:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 01:08:20,874 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 01:08:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-11-07 01:08:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-11-07 01:08:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2019-11-07 01:08:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-11-07 01:08:20,875 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-11-07 01:08:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2019-11-07 01:08:20,876 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2019-11-07 01:08:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:08:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:08:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:08:20,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:08:29,852 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:08:29,852 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:08:29,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:29 BoogieIcfgContainer [2019-11-07 01:08:29,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:08:29,856 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:08:29,856 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:08:29,860 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:08:29,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:08:18" (1/3) ... [2019-11-07 01:08:29,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f71a781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:29, skipping insertion in model container [2019-11-07 01:08:29,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:20" (2/3) ... [2019-11-07 01:08:29,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f71a781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:29, skipping insertion in model container [2019-11-07 01:08:29,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:29" (3/3) ... [2019-11-07 01:08:29,865 INFO L109 eAbstractionObserver]: Analyzing ICFG rekcba_aso.3.M1.c [2019-11-07 01:08:29,880 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:08:29,892 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:08:29,910 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:08:29,952 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:08:29,952 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:08:29,953 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:08:29,953 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:08:29,953 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:08:29,953 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:08:29,953 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:08:29,954 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:08:29,997 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states. [2019-11-07 01:08:30,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-07 01:08:30,033 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:08:30,035 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:08:30,037 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:08:30,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:08:30,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1008717074, now seen corresponding path program 1 times [2019-11-07 01:08:30,061 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:08:30,062 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653162271] [2019-11-07 01:08:30,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY