/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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.2-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:32:17,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:32:17,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:32:17,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:32:17,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:32:17,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:32:17,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:32:17,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:32:17,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:32:17,260 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:32:17,261 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:32:17,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:32:17,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:32:17,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:32:17,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:32:17,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:32:17,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:32:17,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:32:17,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:32:17,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:32:17,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:32:17,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:32:17,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:32:17,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:32:17,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:32:17,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:32:17,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:32:17,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:32:17,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:32:17,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:32:17,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:32:17,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:32:17,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:32:17,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:32:17,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:32:17,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:32:17,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:32:17,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:32:17,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:32:17,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:32:17,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:32:17,305 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 [2020-10-28 19:32:17,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:32:17,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:32:17,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:32:17,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:32:17,352 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:32:17,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:32:17,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:32:17,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:32:17,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:32:17,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:32:17,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:32:17,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:32:17,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:32:17,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:32:17,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:32:17,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:32:17,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:32:17,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:32:17,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:32:17,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:32:17,356 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:32:17,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:32:17,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:32:17,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:32:17,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:32:17,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:32:17,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:32:17,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:32:17,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:32:17,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:32:17,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:32:17,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:32:17,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:32:17,787 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:32:17,788 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:32:17,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.2-2.c [2020-10-28 19:32:17,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12e343351/5168eef5bc6e40b0823b9d31dc372b4a/FLAG1e4b277f6 [2020-10-28 19:32:18,952 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:32:18,953 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekcba_ctm.2-2.c [2020-10-28 19:32:19,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12e343351/5168eef5bc6e40b0823b9d31dc372b4a/FLAG1e4b277f6 [2020-10-28 19:32:19,460 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/12e343351/5168eef5bc6e40b0823b9d31dc372b4a [2020-10-28 19:32:19,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:32:19,473 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:32:19,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:32:19,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:32:19,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:32:19,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:32:19" (1/1) ... [2020-10-28 19:32:19,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a70cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:19, skipping insertion in model container [2020-10-28 19:32:19,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:32:19" (1/1) ... [2020-10-28 19:32:19,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:32:19,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:32:21,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:32:21,253 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:32:21,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:32:22,105 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:32:22,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22 WrapperNode [2020-10-28 19:32:22,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:32:22,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:32:22,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:32:22,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:32:22,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (1/1) ... [2020-10-28 19:32:22,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (1/1) ... [2020-10-28 19:32:22,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (1/1) ... [2020-10-28 19:32:22,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (1/1) ... [2020-10-28 19:32:22,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (1/1) ... [2020-10-28 19:32:22,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (1/1) ... [2020-10-28 19:32:22,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (1/1) ... [2020-10-28 19:32:23,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:32:23,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:32:23,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:32:23,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:32:23,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (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 [2020-10-28 19:32:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:32:23,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:32:23,159 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:32:23,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-28 19:32:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-28 19:32:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:32:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:32:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-28 19:32:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:32:23,161 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-28 19:32:23,161 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-28 19:32:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-28 19:32:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:32:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-28 19:32:23,162 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-28 19:32:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-28 19:32:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-28 19:32:23,163 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-28 19:32:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-28 19:32:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-28 19:32:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-28 19:32:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-28 19:32:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-28 19:32:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:32:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-28 19:32:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-28 19:32:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-28 19:32:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-28 19:32:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-28 19:32:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-28 19:32:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-28 19:32:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assumptions [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-28 19:32:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_check_assertions [2020-10-28 19:32:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __main [2020-10-28 19:32:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:32:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-28 19:32:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-28 19:32:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-28 19:32:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-28 19:32:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-28 19:32:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-28 19:32:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-28 19:32:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:32:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:32:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-28 19:32:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-28 19:32:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-28 19:32:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-28 19:32:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:32:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-28 19:32:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-28 19:32:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-28 19:32:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-28 19:32:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:32:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:32:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:32:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:32:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-28 19:32:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-28 19:32:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-28 19:32:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-28 19:32:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-28 19:32:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-28 19:32:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-28 19:32:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:32:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:32:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-28 19:32:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-28 19:32:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-28 19:32:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-28 19:32:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:32:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-28 19:32:23,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-28 19:32:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-28 19:32:23,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-28 19:32:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:32:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:32:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:32:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:32:23,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-28 19:32:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:32:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:32:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:32:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:32:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-28 19:32:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-28 19:32:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-28 19:32:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-28 19:32:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-28 19:32:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-28 19:32:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 19:32:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 19:32:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:32:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-28 19:32:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-28 19:32:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-28 19:32:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-28 19:32:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-28 19:32:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-28 19:32:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-28 19:32:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-28 19:32:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-28 19:32:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-28 19:32:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-28 19:32:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-28 19:32:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-28 19:32:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:32:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:32:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:32:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:32:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:32:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:32:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-28 19:32:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:32:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-28 19:32:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-28 19:32:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-28 19:32:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:32:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-28 19:32:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-28 19:32:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-28 19:32:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-28 19:32:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-28 19:32:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-28 19:32:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-28 19:32:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-28 19:32:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-28 19:32:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:32:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:32:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-28 19:32:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-28 19:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-28 19:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-28 19:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-28 19:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-28 19:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-28 19:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-28 19:32:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-28 19:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-28 19:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-28 19:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-28 19:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-28 19:32:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:32:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-28 19:32:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assumptions [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_check_assertions [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure __main [2020-10-28 19:32:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:32:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:34:04,594 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:34:04,594 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 19:34:04,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:34:04 BoogieIcfgContainer [2020-10-28 19:34:04,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:34:04,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:34:04,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:34:04,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:34:04,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:32:19" (1/3) ... [2020-10-28 19:34:04,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb3dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:34:04, skipping insertion in model container [2020-10-28 19:34:04,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:32:22" (2/3) ... [2020-10-28 19:34:04,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb3dd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:34:04, skipping insertion in model container [2020-10-28 19:34:04,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:34:04" (3/3) ... [2020-10-28 19:34:04,620 INFO L111 eAbstractionObserver]: Analyzing ICFG rekcba_ctm.2-2.c [2020-10-28 19:34:04,636 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:34:04,646 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:34:04,663 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:34:04,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:34:04,739 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:34:04,739 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:34:04,739 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:34:04,739 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:34:04,739 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:34:04,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:34:04,740 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:34:04,865 INFO L276 IsEmpty]: Start isEmpty. Operand 4952 states. [2020-10-28 19:34:05,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1958 [2020-10-28 19:34:05,078 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:34:05,082 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] [2020-10-28 19:34:05,083 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:34:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:34:05,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1190679445, now seen corresponding path program 1 times [2020-10-28 19:34:05,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:34:05,108 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416866127] [2020-10-28 19:34:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:34:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:34:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:06,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:06,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:07,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:08,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:09,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:09,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:09,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:09,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:09,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:15,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:34:15,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1981 [2020-10-28 19:34:15,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 19:34:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9137 [2020-10-28 19:34:15,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:34:15,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:34:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:34:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 19:34:15,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:34:15,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 19:34:18,649 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 544 [2020-10-28 19:34:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:34:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:34:18,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:34:18,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:34:18,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:34:18,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-28 19:34:18,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:34:18,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:34:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:34:18,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:34:18,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:34:18,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:34:18,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 19:34:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:34:18,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:34:18,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:34:18,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:34:18,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:34:18,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:34:18,866 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:34:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:34:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:34:18,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:34:18,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:34:18,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 19:34:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:34:18,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:34:18,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:34:18,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:34:18,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:34:18,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:34:18,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:34:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:34:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:34:18,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:34:18,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:34:18,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 19:34:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:34:18,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:18,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:19,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:21,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:21,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:21,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:21,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:22,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:23,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:34:25,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:34:25,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 687 [2020-10-28 19:34:25,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 38 [2020-10-28 19:34:25,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6210 [2020-10-28 19:34:25,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:34:25,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:34:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:34:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 19:34:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:34:25,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:34:25,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2020-10-28 19:34:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:34:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:35:06,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:35:06,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:35:06,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40325 [2020-10-28 19:35:06,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:35:06,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:35:06,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:35:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:35:06,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:35:06,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:35:06,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 759 [2020-10-28 19:35:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:35:06,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:06,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:07,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... 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[2020-10-28 19:35:08,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:08,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:09,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:10,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:10,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:10,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:10,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:10,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:10,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:35:11,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:35:11,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 1195 [2020-10-28 19:35:11,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 76 [2020-10-28 19:35:11,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5191 [2020-10-28 19:35:11,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:35:11,932 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:35:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:35:11,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-28 19:35:11,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:35:11,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:35:14,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 19:35:14,703 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416866127] [2020-10-28 19:35:14,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:35:14,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 19:35:14,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341988057] [2020-10-28 19:35:14,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 19:35:14,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:35:14,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 19:35:14,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 19:35:14,741 INFO L87 Difference]: Start difference. First operand 4952 states. Second operand 4 states.