/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:10:29,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:10:29,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:10:29,812 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:10:29,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:10:29,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:10:29,814 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:10:29,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:10:29,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:10:29,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:10:29,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:10:29,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:10:29,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:10:29,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:10:29,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:10:29,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:10:29,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:10:29,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:10:29,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:10:29,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:10:29,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:10:29,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:10:29,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:10:29,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:10:29,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:10:29,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:10:29,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:10:29,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:10:29,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:10:29,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:10:29,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:10:29,840 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:10:29,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:10:29,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:10:29,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:10:29,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:10:29,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:10:29,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:10:29,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:10:29,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:10:29,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:10:29,846 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:10:29,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:10:29,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:10:29,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:10:29,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:10:29,861 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:10:29,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:10:29,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:10:29,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:10:29,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:10:29,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:10:29,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:10:29,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:10:29,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:10:29,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:10:29,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:10:29,864 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:10:29,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:10:29,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:10:29,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:10:29,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:10:29,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:10:29,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:10:29,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:10:29,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:10:29,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:10:29,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:10:29,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:10:29,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:10:29,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:10:30,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:10:30,139 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:10:30,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:10:30,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:10:30,144 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:10:30,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-2.c [2019-11-07 01:10:30,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f6ee4bf/dcff084a0d1d4e0f908df135603aed91/FLAGe4d9af229 [2019-11-07 01:10:30,884 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:10:30,885 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/rekh_aso.2.M4-2.c [2019-11-07 01:10:30,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f6ee4bf/dcff084a0d1d4e0f908df135603aed91/FLAGe4d9af229 [2019-11-07 01:10:31,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4f6ee4bf/dcff084a0d1d4e0f908df135603aed91 [2019-11-07 01:10:31,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:10:31,056 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:10:31,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:10:31,057 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:10:31,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:10:31,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:31" (1/1) ... [2019-11-07 01:10:31,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100a49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:31, skipping insertion in model container [2019-11-07 01:10:31,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:31" (1/1) ... [2019-11-07 01:10:31,071 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:10:31,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:10:32,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:10:32,093 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:10:32,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:10:32,620 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:10:32,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32 WrapperNode [2019-11-07 01:10:32,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:10:32,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:10:32,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:10:32,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:10:32,635 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... [2019-11-07 01:10:32,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... [2019-11-07 01:10:32,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... [2019-11-07 01:10:32,748 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... [2019-11-07 01:10:32,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... [2019-11-07 01:10:33,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... [2019-11-07 01:10:33,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... [2019-11-07 01:10:33,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:10:33,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:10:33,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:10:33,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:10:33,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:10:33,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:10:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:10:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-11-07 01:10:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_init [2019-11-07 01:10:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure balance_control [2019-11-07 01:10:33,151 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2019-11-07 01:10:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2019-11-07 01:10:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2019-11-07 01:10:33,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_read_bt_packet [2019-11-07 01:10:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_battery_voltage [2019-11-07 01:10:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts1 [2019-11-07 01:10:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_sonar_sensor [2019-11-07 01:10:33,153 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts2 [2019-11-07 01:10:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure OSEK_Task_ts3 [2019-11-07 01:10:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-11-07 01:10:33,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts3 [2019-11-07 01:10:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 01:10:33,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 01:10:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 01:10:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 01:10:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2019-11-07 01:10:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2019-11-07 01:10:33,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2019-11-07 01:10:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2019-11-07 01:10:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2019-11-07 01:10:33,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2019-11-07 01:10:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2019-11-07 01:10:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2019-11-07 01:10:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2019-11-07 01:10:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:10:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2019-11-07 01:10:33,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2019-11-07 01:10:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_obstacle_flag [2019-11-07 01:10:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_forward [2019-11-07 01:10:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_cmd_turn [2019-11-07 01:10:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_trans [2019-11-07 01:10:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:10:33,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:10:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2019-11-07 01:10:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2019-11-07 01:10:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2019-11-07 01:10:33,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_forward [2019-11-07 01:10:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_cmd_turn [2019-11-07 01:10:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_trans [2019-11-07 01:10:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:10:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:10:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2019-11-07 01:10:33,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_get_pi_lock [2019-11-07 01:10:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_release_pi_lock [2019-11-07 01:10:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_bt_data_logger [2019-11-07 01:10:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_sound_tone [2019-11-07 01:10:33,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2019-11-07 01:10:33,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2019-11-07 01:10:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:10:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2019-11-07 01:10:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2019-11-07 01:10:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2019-11-07 01:10:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2019-11-07 01:10:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2019-11-07 01:10:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 01:10:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 01:10:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 01:10:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:10:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2019-11-07 01:10:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2019-11-07 01:10:33,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 01:10:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 01:10:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_get_pi_lock [2019-11-07 01:10:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_release_pi_lock [2019-11-07 01:10:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2019-11-07 01:10:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2019-11-07 01:10:33,166 INFO L130 BoogieDeclarations]: Found specification of procedure balance_init [2019-11-07 01:10:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure balance_control [2019-11-07 01:10:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:10:33,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:10:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:10:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:10:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-07 01:10:33,168 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2019-11-07 01:10:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2019-11-07 01:10:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_obstacle_flag [2019-11-07 01:10:33,169 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2019-11-07 01:10:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_forward [2019-11-07 01:10:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_forward [2019-11-07 01:10:33,170 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_cmd_turn [2019-11-07 01:10:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_cmd_turn [2019-11-07 01:10:33,171 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_trans [2019-11-07 01:10:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_trans [2019-11-07 01:10:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2019-11-07 01:10:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2019-11-07 01:10:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2019-11-07 01:10:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2019-11-07 01:10:33,172 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_sound_tone [2019-11-07 01:10:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_read_bt_packet [2019-11-07 01:10:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_battery_voltage [2019-11-07 01:10:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2019-11-07 01:10:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_bt_data_logger [2019-11-07 01:10:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts1 [2019-11-07 01:10:33,173 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_sonar_sensor [2019-11-07 01:10:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts2 [2019-11-07 01:10:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure OSEK_Task_ts3 [2019-11-07 01:10:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts3 [2019-11-07 01:10:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts3 [2019-11-07 01:10:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:10:33,174 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts2 [2019-11-07 01:10:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2019-11-07 01:10:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts2 [2019-11-07 01:10:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:10:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_OSEK_Task_ts1 [2019-11-07 01:10:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2019-11-07 01:10:33,175 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperOSEK_Task_ts1 [2019-11-07 01:10:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2019-11-07 01:10:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2019-11-07 01:10:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2019-11-07 01:10:33,176 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2019-11-07 01:10:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2019-11-07 01:10:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:10:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:10:33,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:10:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:10:44,277 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:10:44,278 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 01:10:44,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:44 BoogieIcfgContainer [2019-11-07 01:10:44,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:10:44,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:10:44,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:10:44,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:10:44,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:10:31" (1/3) ... [2019-11-07 01:10:44,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cda981d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:44, skipping insertion in model container [2019-11-07 01:10:44,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:32" (2/3) ... [2019-11-07 01:10:44,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cda981d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:44, skipping insertion in model container [2019-11-07 01:10:44,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:44" (3/3) ... [2019-11-07 01:10:44,290 INFO L109 eAbstractionObserver]: Analyzing ICFG rekh_aso.2.M4-2.c [2019-11-07 01:10:44,300 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:10:44,315 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:10:44,327 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:10:44,368 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:10:44,371 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:10:44,371 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:10:44,371 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:10:44,372 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:10:44,372 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:10:44,372 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:10:44,372 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:10:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states. [2019-11-07 01:10:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-07 01:10:44,461 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:10:44,463 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:10:44,465 INFO L410 AbstractCegarLoop]: === Iteration 1 === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:10:44,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:10:44,470 INFO L82 PathProgramCache]: Analyzing trace with hash 558006520, now seen corresponding path program 1 times [2019-11-07 01:10:44,478 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:10:44,478 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319621902] [2019-11-07 01:10:44,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:10:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat