/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/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:11:36,252 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:11:36,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:11:36,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:11:36,273 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:11:36,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:11:36,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:11:36,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:11:36,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:11:36,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:11:36,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:11:36,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 07:11:36,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 07:11:36,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 07:11:36,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 07:11:36,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 07:11:36,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 07:11:36,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 07:11:36,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 07:11:36,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 07:11:36,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 07:11:36,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 07:11:36,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 07:11:36,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 07:11:36,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 07:11:36,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 07:11:36,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 07:11:36,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 07:11:36,301 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 07:11:36,302 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 07:11:36,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 07:11:36,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 07:11:36,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 07:11:36,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 07:11:36,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 07:11:36,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 07:11:36,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 07:11:36,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 07:11:36,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:11:36,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:11:36,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:11:36,309 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 07:11:36,323 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:11:36,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:11:36,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:11:36,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:11:36,325 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:11:36,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:11:36,326 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:11:36,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:11:36,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:11:36,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:11:36,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:11:36,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:11:36,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:11:36,327 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:11:36,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:11:36,328 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:11:36,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:11:36,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:11:36,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:11:36,329 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:11:36,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:11:36,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:11:36,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:11:36,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:11:36,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:11:36,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:11:36,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:11:36,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:11:36,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 07:11:36,597 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:11:36,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:11:36,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:11:36,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:11:36,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:11:36,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-07 07:11:36,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e15284e0e/972c23269801467399d49ceae5be3e6b/FLAG996a2ff30 [2019-11-07 07:11:37,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:11:37,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-1.c [2019-11-07 07:11:37,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e15284e0e/972c23269801467399d49ceae5be3e6b/FLAG996a2ff30 [2019-11-07 07:11:37,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e15284e0e/972c23269801467399d49ceae5be3e6b [2019-11-07 07:11:37,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:11:37,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:11:37,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:11:37,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:11:37,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:11:37,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:11:37" (1/1) ... [2019-11-07 07:11:37,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26511545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:37, skipping insertion in model container [2019-11-07 07:11:37,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:11:37" (1/1) ... [2019-11-07 07:11:37,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:11:37,658 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:11:38,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:11:38,476 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:11:38,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:11:38,776 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:11:38,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38 WrapperNode [2019-11-07 07:11:38,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:11:38,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:11:38,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:11:38,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:11:38,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:38,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:38,897 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:38,897 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:39,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:39,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:39,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (1/1) ... [2019-11-07 07:11:39,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:11:39,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:11:39,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:11:39,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:11:39,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:11:38" (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 07:11:39,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:11:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:11:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-11-07 07:11:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-11-07 07:11:39,254 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-11-07 07:11:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-11-07 07:11:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-11-07 07:11:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-11-07 07:11:39,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-11-07 07:11:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-11-07 07:11:39,256 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-11-07 07:11:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-11-07 07:11:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-11-07 07:11:39,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 07:11:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 07:11:39,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 07:11:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 07:11:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-11-07 07:11:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-07 07:11:39,259 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-11-07 07:11:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-11-07 07:11:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-11-07 07:11:39,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-11-07 07:11:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-11-07 07:11:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-11-07 07:11:39,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-11-07 07:11:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-11-07 07:11:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-11-07 07:11:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-11-07 07:11:39,262 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-11-07 07:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-11-07 07:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_observer_obstacle_flag [2019-11-07 07:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-11-07 07:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-11-07 07:11:39,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_observer_obstacle_flag [2019-11-07 07:11:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-11-07 07:11:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-11-07 07:11:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-11-07 07:11:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-11-07 07:11:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-11-07 07:11:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-11-07 07:11:39,264 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-11-07 07:11:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:11:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-11-07 07:11:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-11-07 07:11:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-11-07 07:11:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-11-07 07:11:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-11-07 07:11:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:11:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:11:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 07:11:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:11:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-11-07 07:11:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-11-07 07:11:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:11:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-11-07 07:11:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-11-07 07:11:39,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 07:11:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 07:11:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 07:11:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 07:11:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 07:11:39,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:11:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-11-07 07:11:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-11-07 07:11:39,269 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-11-07 07:11:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-11-07 07:11:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_observer_obstacle_flag [2019-11-07 07:11:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_observer_obstacle_flag [2019-11-07 07:11:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-11-07 07:11:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-11-07 07:11:39,270 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-11-07 07:11:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-11-07 07:11:39,271 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-11-07 07:11:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-11-07 07:11:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-11-07 07:11:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-11-07 07:11:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-11-07 07:11:39,272 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-11-07 07:11:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-11-07 07:11:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-11-07 07:11:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-11-07 07:11:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 07:11:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 07:11:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 07:11:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 07:11:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-11-07 07:11:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-11-07 07:11:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-11-07 07:11:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-11-07 07:11:39,276 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-11-07 07:11:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-11-07 07:11:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-11-07 07:11:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-11-07 07:11:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-11-07 07:11:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:11:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:11:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 07:11:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:11:46,741 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:11:46,741 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 07:11:46,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:11:46 BoogieIcfgContainer [2019-11-07 07:11:46,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:11:46,744 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:11:46,744 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:11:46,744 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:11:46,745 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:11:46" (1/1) ... [2019-11-07 07:11:46,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:11:46,920 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 07:11:46,925 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 82 root evaluator evaluations with a maximum evaluation depth of 0. Performed 82 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 152 variables. [2019-11-07 07:11:46,926 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:11:46,928 INFO L168 Benchmark]: Toolchain (without parser) took 9372.39 ms. Allocated memory was 145.2 MB in the beginning and 311.4 MB in the end (delta: 166.2 MB). Free memory was 98.8 MB in the beginning and 128.7 MB in the end (delta: -29.9 MB). Peak memory consumption was 136.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:46,929 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 07:11:46,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1221.36 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 98.6 MB in the beginning and 109.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:46,932 INFO L168 Benchmark]: Boogie Preprocessor took 400.47 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 109.0 MB in the beginning and 185.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:46,933 INFO L168 Benchmark]: RCFGBuilder took 7564.06 ms. Allocated memory was 236.5 MB in the beginning and 311.4 MB in the end (delta: 75.0 MB). Free memory was 185.7 MB in the beginning and 138.5 MB in the end (delta: 47.2 MB). Peak memory consumption was 137.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:46,933 INFO L168 Benchmark]: Abstract Interpretation took 182.11 ms. Allocated memory is still 311.4 MB. Free memory was 138.5 MB in the beginning and 128.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:11:46,938 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1221.36 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 98.6 MB in the beginning and 109.0 MB in the end (delta: -10.4 MB). Peak memory consumption was 56.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 400.47 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 109.0 MB in the beginning and 185.7 MB in the end (delta: -76.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7564.06 ms. Allocated memory was 236.5 MB in the beginning and 311.4 MB in the end (delta: 75.0 MB). Free memory was 185.7 MB in the beginning and 138.5 MB in the end (delta: 47.2 MB). Peak memory consumption was 137.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 182.11 ms. Allocated memory is still 311.4 MB. Free memory was 138.5 MB in the beginning and 128.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 87]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...