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.M1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:26:03,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:26:03,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:26:03,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:26:03,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:26:03,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:26:03,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:26:03,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:26:03,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:26:03,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:26:03,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:26:03,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:26:03,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:26:03,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:26:03,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:26:03,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:26:03,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:26:03,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:26:03,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:26:03,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:26:03,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:26:03,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:26:03,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:26:03,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:26:03,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:26:03,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:26:03,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:26:03,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:26:03,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:26:03,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:26:03,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:26:03,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:26:03,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:26:03,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:26:03,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:26:03,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:26:03,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:26:03,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:26:03,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:26:03,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:26:03,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:26:03,482 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 [2019-10-15 01:26:03,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:26:03,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:26:03,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:26:03,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:26:03,521 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:26:03,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:26:03,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:26:03,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:26:03,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:26:03,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:26:03,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:26:03,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:26:03,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:26:03,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:26:03,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:26:03,525 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:26:03,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:26:03,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:26:03,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:26:03,526 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:26:03,526 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:26:03,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:26:03,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:26:03,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:26:03,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:26:03,528 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:26:03,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:26:03,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:26:03,528 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 [2019-10-15 01:26:03,784 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:26:03,796 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:26:03,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:26:03,800 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:26:03,800 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:26:03,801 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.4.M1.c [2019-10-15 01:26:03,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d2d949d/b60ae29ceee24139bd965c826d707178/FLAGbed4503b5 [2019-10-15 01:26:04,464 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:26:04,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.4.M1.c [2019-10-15 01:26:04,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d2d949d/b60ae29ceee24139bd965c826d707178/FLAGbed4503b5 [2019-10-15 01:26:04,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29d2d949d/b60ae29ceee24139bd965c826d707178 [2019-10-15 01:26:04,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:26:04,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:26:04,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:26:04,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:26:04,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:26:04,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:26:04" (1/1) ... [2019-10-15 01:26:04,633 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2976605a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:04, skipping insertion in model container [2019-10-15 01:26:04,633 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:26:04" (1/1) ... [2019-10-15 01:26:04,641 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:26:04,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:26:05,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:26:05,663 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:26:06,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:26:06,270 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:26:06,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06 WrapperNode [2019-10-15 01:26:06,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:26:06,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:26:06,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:26:06,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:26:06,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (1/1) ... [2019-10-15 01:26:06,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (1/1) ... [2019-10-15 01:26:06,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (1/1) ... [2019-10-15 01:26:06,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (1/1) ... [2019-10-15 01:26:06,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (1/1) ... [2019-10-15 01:26:06,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (1/1) ... [2019-10-15 01:26:06,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (1/1) ... [2019-10-15 01:26:06,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:26:06,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:26:06,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:26:06,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:26:06,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (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 [2019-10-15 01:26:06,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:26:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:26:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-10-15 01:26:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-10-15 01:26:06,787 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-10-15 01:26:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-10-15 01:26:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-10-15 01:26:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-10-15 01:26:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-10-15 01:26:06,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-10-15 01:26:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-10-15 01:26:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-10-15 01:26:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-10-15 01:26:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-10-15 01:26:06,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-15 01:26:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-10-15 01:26:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-15 01:26:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-10-15 01:26:06,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-15 01:26:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-10-15 01:26:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-10-15 01:26:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-10-15 01:26:06,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-10-15 01:26:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-10-15 01:26:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-10-15 01:26:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-10-15 01:26:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-10-15 01:26:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-10-15 01:26:06,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-10-15 01:26:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:26:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-10-15 01:26:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-10-15 01:26:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-10-15 01:26:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-10-15 01:26:06,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-10-15 01:26:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_trans [2019-10-15 01:26:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-15 01:26:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-15 01:26:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-10-15 01:26:06,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-10-15 01:26:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-10-15 01:26:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-10-15 01:26:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-10-15 01:26:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2019-10-15 01:26:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-15 01:26:06,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-15 01:26:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-10-15 01:26:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2019-10-15 01:26:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2019-10-15 01:26:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-10-15 01:26:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-10-15 01:26:06,796 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-10-15 01:26:06,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-10-15 01:26:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:26:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-10-15 01:26:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-10-15 01:26:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-10-15 01:26:06,797 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-10-15 01:26:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-10-15 01:26:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 01:26:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-10-15 01:26:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-10-15 01:26:06,798 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:26:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-10-15 01:26:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-10-15 01:26:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 01:26:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-10-15 01:26:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2019-10-15 01:26:06,799 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2019-10-15 01:26:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-10-15 01:26:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-10-15 01:26:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-10-15 01:26:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-10-15 01:26:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:26:06,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:26:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:26:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:26:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 01:26:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-10-15 01:26:06,801 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-10-15 01:26:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-10-15 01:26:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-10-15 01:26:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-10-15 01:26:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-10-15 01:26:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-10-15 01:26:06,802 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-10-15 01:26:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_trans [2019-10-15 01:26:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2019-10-15 01:26:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-10-15 01:26:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-10-15 01:26:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-10-15 01:26:06,803 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-10-15 01:26:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-10-15 01:26:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-10-15 01:26:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-10-15 01:26:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-10-15 01:26:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-10-15 01:26:06,804 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-10-15 01:26:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-10-15 01:26:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-10-15 01:26:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-10-15 01:26:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-10-15 01:26:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-10-15 01:26:06,805 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-10-15 01:26:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-10-15 01:26:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-10-15 01:26:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-10-15 01:26:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-10-15 01:26:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-10-15 01:26:06,806 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-10-15 01:26:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-10-15 01:26:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-10-15 01:26:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-10-15 01:26:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-10-15 01:26:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-10-15 01:26:06,807 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-10-15 01:26:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:26:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:26:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:26:06,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:26:17,566 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:26:17,566 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 01:26:17,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:26:17 BoogieIcfgContainer [2019-10-15 01:26:17,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:26:17,577 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:26:17,577 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:26:17,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:26:17,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:26:04" (1/3) ... [2019-10-15 01:26:17,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694eb935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:26:17, skipping insertion in model container [2019-10-15 01:26:17,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:26:06" (2/3) ... [2019-10-15 01:26:17,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@694eb935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:26:17, skipping insertion in model container [2019-10-15 01:26:17,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:26:17" (3/3) ... [2019-10-15 01:26:17,590 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_aso.4.M1.c [2019-10-15 01:26:17,603 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:26:17,627 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:26:17,644 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:26:17,695 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:26:17,700 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:26:17,700 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:26:17,700 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:26:17,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:26:17,702 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:26:17,702 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:26:17,702 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:26:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states. [2019-10-15 01:26:17,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-15 01:26:17,813 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:26:17,816 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] [2019-10-15 01:26:17,819 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:26:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:26:17,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1642606600, now seen corresponding path program 1 times [2019-10-15 01:26:17,841 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:26:17,841 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631000459] [2019-10-15 01:26:17,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:26:17,842 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:26:17,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:26:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat