/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:15:43,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:15:43,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:15:43,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:15:43,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:15:43,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:15:43,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:15:43,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:15:43,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:15:43,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:15:43,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:15:43,062 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:15:43,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:15:43,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:15:43,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:15:43,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:15:43,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:15:43,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:15:43,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:15:43,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:15:43,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:15:43,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:15:43,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:15:43,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:15:43,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:15:43,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:15:43,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:15:43,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:15:43,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:15:43,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:15:43,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:15:43,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:15:43,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:15:43,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:15:43,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:15:43,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:15:43,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:15:43,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:15:43,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:15:43,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:15:43,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:15:43,103 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:15:43,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:15:43,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:15:43,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:15:43,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:15:43,138 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:15:43,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:15:43,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:15:43,139 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:15:43,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:15:43,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:15:43,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:15:43,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:15:43,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:15:43,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:15:43,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:15:43,141 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:15:43,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:15:43,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:15:43,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:15:43,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:15:43,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:15:43,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:15:43,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:15:43,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:15:43,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:15:43,144 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:15:43,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:15:43,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:15:43,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:15:43,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:15:43,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:15:43,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:15:43,546 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:15:43,547 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:15:43,548 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:15:43,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c [2020-10-27 06:15:43,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ec60b581/8d0b5b5b0fe74864be1810b946e4f50e/FLAG6d2257a06 [2020-10-27 06:15:44,708 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:15:44,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.1.c [2020-10-27 06:15:44,741 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ec60b581/8d0b5b5b0fe74864be1810b946e4f50e/FLAG6d2257a06 [2020-10-27 06:15:45,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ec60b581/8d0b5b5b0fe74864be1810b946e4f50e [2020-10-27 06:15:45,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:15:45,156 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:15:45,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:15:45,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:15:45,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:15:45,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:15:45" (1/1) ... [2020-10-27 06:15:45,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e83992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:45, skipping insertion in model container [2020-10-27 06:15:45,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:15:45" (1/1) ... [2020-10-27 06:15:45,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:15:45,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:15:46,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:15:46,823 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:15:47,414 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:15:47,550 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:15:47,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47 WrapperNode [2020-10-27 06:15:47,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:15:47,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:15:47,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:15:47,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:15:47,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... [2020-10-27 06:15:47,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... [2020-10-27 06:15:47,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... [2020-10-27 06:15:47,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... [2020-10-27 06:15:48,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... [2020-10-27 06:15:48,297 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... [2020-10-27 06:15:48,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... [2020-10-27 06:15:48,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:15:48,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:15:48,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:15:48,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:15:48,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 06:15:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:15:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:15:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:15:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 06:15:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-27 06:15:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-27 06:15:48,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-27 06:15:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-27 06:15:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-27 06:15:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-27 06:15:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-27 06:15:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-27 06:15:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-27 06:15:48,583 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-27 06:15:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-27 06:15:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 06:15:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-27 06:15:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-27 06:15:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-27 06:15:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-27 06:15:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-27 06:15:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-27 06:15:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-27 06:15:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-27 06:15:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-27 06:15:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-27 06:15:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-27 06:15:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-27 06:15:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-27 06:15:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2020-10-27 06:15:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-27 06:15:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-27 06:15:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2020-10-27 06:15:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-27 06:15:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:15:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-27 06:15:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-27 06:15:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-27 06:15:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-27 06:15:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-27 06:15:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-27 06:15:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-27 06:15:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-27 06:15:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-27 06:15:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-27 06:15:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-27 06:15:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-27 06:15:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-27 06:15:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-27 06:15:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-27 06:15:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-27 06:15:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-27 06:15:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-27 06:15:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-27 06:15:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-27 06:15:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-27 06:15:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-27 06:15:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-27 06:15:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-27 06:15:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-27 06:15:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-27 06:15:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-27 06:15:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-27 06:15:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-27 06:15:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-27 06:15:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-27 06:15:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-27 06:15:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-27 06:15:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-27 06:15:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-27 06:15:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-27 06:15:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-27 06:15:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-27 06:15:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-27 06:15:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-27 06:15:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-27 06:15:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-27 06:15:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-27 06:15:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-27 06:15:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-27 06:15:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:15:48,594 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-27 06:15:48,595 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-27 06:15:48,596 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 06:15:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-27 06:15:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-27 06:15:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-27 06:15:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-27 06:15:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-27 06:15:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-27 06:15:48,597 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-27 06:15:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-27 06:15:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-27 06:15:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-27 06:15:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-27 06:15:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-27 06:15:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-27 06:15:48,598 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-27 06:15:48,599 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-27 06:15:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-27 06:15:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-27 06:15:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-27 06:15:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-27 06:15:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-27 06:15:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-27 06:15:48,600 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-27 06:15:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-27 06:15:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-27 06:15:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-27 06:15:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-27 06:15:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-27 06:15:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-27 06:15:48,601 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-27 06:15:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-27 06:15:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-27 06:15:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-27 06:15:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-27 06:15:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-27 06:15:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-27 06:15:48,602 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-27 06:15:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-27 06:15:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-27 06:15:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-27 06:15:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-27 06:15:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 06:15:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-27 06:15:48,603 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-27 06:15:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-27 06:15:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-27 06:15:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-27 06:15:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-27 06:15:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-27 06:15:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-27 06:15:48,604 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-27 06:15:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-27 06:15:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:15:48,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:15:48,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:17:19,012 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:17:19,012 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 06:17:19,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:17:19 BoogieIcfgContainer [2020-10-27 06:17:19,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:17:19,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:17:19,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:17:19,034 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:17:19,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:15:45" (1/3) ... [2020-10-27 06:17:19,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3477be44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:17:19, skipping insertion in model container [2020-10-27 06:17:19,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:15:47" (2/3) ... [2020-10-27 06:17:19,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3477be44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:17:19, skipping insertion in model container [2020-10-27 06:17:19,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:17:19" (3/3) ... [2020-10-27 06:17:19,039 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.1.c [2020-10-27 06:17:19,055 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:17:19,064 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:17:19,079 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:17:19,141 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:17:19,141 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:17:19,142 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:17:19,142 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:17:19,144 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:17:19,144 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:17:19,144 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:17:19,144 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:17:19,254 INFO L276 IsEmpty]: Start isEmpty. Operand 4959 states. [2020-10-27 06:17:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1958 [2020-10-27 06:17:19,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:17:19,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 06:17:19,457 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:17:19,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:17:19,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1724146907, now seen corresponding path program 1 times [2020-10-27 06:17:19,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:17:19,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746638128] [2020-10-27 06:17:19,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:17:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:17:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:20,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:21,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:21,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:21,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:21,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:21,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:21,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:21,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:22,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:23,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:24,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:30,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:17:30,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1981 [2020-10-27 06:17:30,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 06:17:30,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9636 [2020-10-27 06:17:30,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:17:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:17:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 06:17:30,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:17:30,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:17:32,264 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-27 06:17:32,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:17:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:17:32,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:17:32,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:17:32,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:17:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-27 06:17:32,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:17:32,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:17:32,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:17:32,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:17:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:17:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 06:17:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:17:32,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:17:32,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:17:32,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:17:32,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:17:32,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:17:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:17:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:17:32,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:17:32,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:17:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:17:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:17:32,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:17:32,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:17:32,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:17:32,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:17:32,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:17:32,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:17:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:17:32,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:17:32,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:17:32,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-27 06:17:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:17:32,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:32,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:33,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:33,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:33,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:34,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:34,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:34,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:34,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:34,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:34,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:35,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:35,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:35,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:36,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:37,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:17:37,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 687 [2020-10-27 06:17:37,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 38 [2020-10-27 06:17:37,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5256 [2020-10-27 06:17:37,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:17:37,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:17:37,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:17:37,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:17:37,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:17:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2020-10-27 06:17:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:17:38,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:17:59,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:17:59,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:17:59,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:17:59,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21170 [2020-10-27 06:17:59,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:17:59,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:17:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:17:59,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:17:59,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:18:00,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2020-10-27 06:18:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:18:00,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:18:00,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... 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[2020-10-27 06:18:05,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:18:05,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1195 [2020-10-27 06:18:05,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 83 [2020-10-27 06:18:05,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5113 [2020-10-27 06:18:05,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:18:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:18:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:18:05,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:18:05,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:18:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:18:08,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746638128] [2020-10-27 06:18:08,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:18:08,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 06:18:08,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167789559] [2020-10-27 06:18:08,026 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 06:18:08,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:18:08,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 06:18:08,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-27 06:18:08,045 INFO L87 Difference]: Start difference. First operand 4959 states. Second operand 4 states.