java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:30:20,443 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:30:20,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:30:20,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:30:20,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:30:20,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:30:20,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:30:20,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:30:20,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:30:20,465 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:30:20,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:30:20,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:30:20,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:30:20,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:30:20,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:30:20,470 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:30:20,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:30:20,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:30:20,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:30:20,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:30:20,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:30:20,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:30:20,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:30:20,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:30:20,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:30:20,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:30:20,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:30:20,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:30:20,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:30:20,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:30:20,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:30:20,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:30:20,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:30:20,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:30:20,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:30:20,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:30:20,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:30:20,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:30:20,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:30:20,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:30:20,491 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:30:20,492 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 [2019-09-06 12:30:20,507 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:30:20,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:30:20,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:30:20,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:30:20,508 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:30:20,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:30:20,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:30:20,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:30:20,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:30:20,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:30:20,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:30:20,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:30:20,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:30:20,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:30:20,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:30:20,511 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:30:20,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:30:20,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:30:20,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:30:20,512 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:30:20,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:30:20,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:30:20,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:30:20,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:30:20,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:30:20,513 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:30:20,513 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:30:20,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:30:20,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 12:30:20,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:30:20,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:30:20,568 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:30:20,569 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:30:20,570 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:30:20,571 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-09-06 12:30:20,638 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/490c04913/62ed34b4bc47484286f07b1d76bf5840/FLAGe4cf5ae69 [2019-09-06 12:30:21,332 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:30:21,334 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_nxt.2.M1-2.c [2019-09-06 12:30:21,357 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/490c04913/62ed34b4bc47484286f07b1d76bf5840/FLAGe4cf5ae69 [2019-09-06 12:30:21,515 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/490c04913/62ed34b4bc47484286f07b1d76bf5840 [2019-09-06 12:30:21,525 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:30:21,527 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:30:21,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:30:21,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:30:21,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:30:21,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:30:21" (1/1) ... [2019-09-06 12:30:21,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f91d846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:21, skipping insertion in model container [2019-09-06 12:30:21,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:30:21" (1/1) ... [2019-09-06 12:30:21,541 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:30:21,608 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:30:22,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:30:22,399 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:30:22,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:30:22,744 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:30:22,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22 WrapperNode [2019-09-06 12:30:22,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:30:22,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:30:22,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:30:22,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:30:22,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (1/1) ... [2019-09-06 12:30:22,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (1/1) ... [2019-09-06 12:30:22,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (1/1) ... [2019-09-06 12:30:22,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (1/1) ... [2019-09-06 12:30:23,040 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (1/1) ... [2019-09-06 12:30:23,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (1/1) ... [2019-09-06 12:30:23,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (1/1) ... [2019-09-06 12:30:23,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:30:23,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:30:23,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:30:23,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:30:23,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:30:22" (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 [2019-09-06 12:30:23,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:30:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:30:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 12:30:23,211 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-09-06 12:30:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-09-06 12:30:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-09-06 12:30:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-09-06 12:30:23,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-09-06 12:30:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-09-06 12:30:23,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-09-06 12:30:23,214 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-09-06 12:30:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-09-06 12:30:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-09-06 12:30:23,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:30:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:30:23,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:30:23,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:30:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_Background [2019-09-06 12:30:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:30:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:30:23,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-09-06 12:30:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-09-06 12:30:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-09-06 12:30:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-09-06 12:30:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-09-06 12:30:23,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-09-06 12:30:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-09-06 12:30:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-09-06 12:30:23,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-09-06 12:30:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:30:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:30:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-09-06 12:30:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:30:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-09-06 12:30:23,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-09-06 12:30:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-09-06 12:30:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-09-06 12:30:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_status_monitor [2019-09-06 12:30:23,222 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-09-06 12:30:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-09-06 12:30:23,223 INFO L138 BoogieDeclarations]: Found implementation of procedure write_mode_on_lcd [2019-09-06 12:30:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:30:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-09-06 12:30:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-09-06 12:30:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-09-06 12:30:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-09-06 12:30:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-09-06 12:30:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:30:23,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:30:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 12:30:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:30:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:30:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-09-06 12:30:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-09-06 12:30:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 12:30:23,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 12:30:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 12:30:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 12:30:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-06 12:30:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:30:23,226 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-09-06 12:30:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-09-06 12:30:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-09-06 12:30:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-09-06 12:30:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-09-06 12:30:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-09-06 12:30:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-09-06 12:30:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-09-06 12:30:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-09-06 12:30:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_status_monitor [2019-09-06 12:30:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-09-06 12:30:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-09-06 12:30:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-09-06 12:30:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-09-06 12:30:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-09-06 12:30:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-09-06 12:30:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-09-06 12:30:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-09-06 12:30:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-09-06 12:30:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-09-06 12:30:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-09-06 12:30:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure write_mode_on_lcd [2019-09-06 12:30:23,232 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_Background [2019-09-06 12:30:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2019-09-06 12:30:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_Background [2019-09-06 12:30:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-09-06 12:30:23,233 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-09-06 12:30:23,234 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-09-06 12:30:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-09-06 12:30:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-09-06 12:30:23,235 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:30:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:30:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-06 12:30:23,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:30:30,354 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:30:30,355 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 12:30:30,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:30:30 BoogieIcfgContainer [2019-09-06 12:30:30,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:30:30,357 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:30:30,358 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:30:30,358 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:30:30,359 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:30:30" (1/1) ... [2019-09-06 12:30:30,360 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 12:30:30,386 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:30:30,386 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:30:30,399 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:30:30,409 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:30:30,411 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:30:30,518 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 195 for LOIs [2019-09-06 12:30:30,571 INFO L199 IcfgInterpreter]: Interpreting procedure __startrek_hyperperiod with input of size 192 for LOIs [2019-09-06 12:30:40,394 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:40,418 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:40,440 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:40,461 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:40,784 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:40,809 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:40,833 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:40,855 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:44,903 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:44,911 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:44,918 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:44,942 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:45,108 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:45,134 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:45,141 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:30:45,148 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 12:32:40,057 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 9 for LOIs [2019-09-06 12:32:40,058 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 12:32:40,058 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 12:32:40,060 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 68846#(and (<= ~__startrek_job~0 26) (<= 2 ~__startrek_job~0) (<= ~__startrek_task~0 2) (<= 2 ~__startrek_task~0)) [2019-09-06 12:32:40,076 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 12:32:40,076 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 12:32:40,077 INFO L168 Benchmark]: Toolchain (without parser) took 138550.89 ms. Allocated memory was 132.6 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 85.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-09-06 12:32:40,078 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 12:32:40,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1217.79 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 84.8 MB in the beginning and 116.7 MB in the end (delta: -31.9 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. [2019-09-06 12:32:40,078 INFO L168 Benchmark]: Boogie Preprocessor took 393.08 ms. Allocated memory is still 202.9 MB. Free memory was 116.7 MB in the beginning and 94.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-06 12:32:40,078 INFO L168 Benchmark]: RCFGBuilder took 7217.81 ms. Allocated memory was 202.9 MB in the beginning and 271.1 MB in the end (delta: 68.2 MB). Free memory was 94.3 MB in the beginning and 104.1 MB in the end (delta: -9.8 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-06 12:32:40,079 INFO L168 Benchmark]: Sifa took 129718.69 ms. Allocated memory was 271.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 104.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-09-06 12:32:40,079 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1217.79 ms. Allocated memory was 132.6 MB in the beginning and 202.9 MB in the end (delta: 70.3 MB). Free memory was 84.8 MB in the beginning and 116.7 MB in the end (delta: -31.9 MB). Peak memory consumption was 43.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 393.08 ms. Allocated memory is still 202.9 MB. Free memory was 116.7 MB in the beginning and 94.3 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7217.81 ms. Allocated memory was 202.9 MB in the beginning and 271.1 MB in the end (delta: 68.2 MB). Free memory was 94.3 MB in the beginning and 104.1 MB in the end (delta: -9.8 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Sifa took 129718.69 ms. Allocated memory was 271.1 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 104.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 129675, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 41452, DAG_INTERPRETER_EARLY_EXITS: 13, TOOLS_POST_APPLICATIONS: 35514, TOOLS_POST_TIME[ms]: 20313, TOOLS_POST_CALL_APPLICATIONS: 5368, TOOLS_POST_CALL_TIME[ms]: 6493, TOOLS_POST_RETURN_APPLICATIONS: 5339, TOOLS_POST_RETURN_TIME[ms]: 17686, TOOLS_QUANTIFIERELIM_TIME[ms]: 34314, FLUID_QUERY_TIME[ms]: 939, FLUID_QUERIES: 41456, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17368, DOMAIN_JOIN_TIME[ms]: 15636, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 4, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12070, DOMAIN_ISSUBSETEQ_TIME[ms]: 19374, DOMAIN_ISBOTTOM_APPLICATIONS: 14526, DOMAIN_ISBOTTOM_TIME[ms]: 44900, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 55, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 55, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 5339, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 31299, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 49, REGEX_TO_DAG_TIME[ms]: 77, DAG_COMPRESSION_TIME[ms]: 1486, DAG_COMPRESSION_PROCESSED_NODES: 101697, DAG_COMPRESSION_RETAINED_NODES: 43354 - UnprovableResult [Line: 85]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 68846#(and (<= ~__startrek_job~0 26) (<= 2 ~__startrek_job~0) (<= ~__startrek_task~0 2) (<= 2 ~__startrek_task~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...