/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/rekh_ctm.3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:40:50,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:40:50,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:40:50,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:40:50,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:40:50,234 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:40:50,236 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:40:50,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:40:50,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:40:50,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:40:50,253 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:40:50,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:40:50,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:40:50,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:40:50,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:40:50,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:40:50,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:40:50,269 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:40:50,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:40:50,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:40:50,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:40:50,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:40:50,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:40:50,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:40:50,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:40:50,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:40:50,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:40:50,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:40:50,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:40:50,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:40:50,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:40:50,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:40:50,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:40:50,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:40:50,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:40:50,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:40:50,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:40:50,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:40:50,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:40:50,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:40:50,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:40:50,321 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 19:40:50,386 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:40:50,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:40:50,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:40:50,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:40:50,391 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:40:50,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:40:50,391 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:40:50,392 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:40:50,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:40:50,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:40:50,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:40:50,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:40:50,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:40:50,394 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:40:50,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:40:50,394 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:40:50,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:40:50,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:40:50,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:40:50,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:40:50,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:40:50,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:40:50,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:40:50,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:40:50,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:40:50,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:40:50,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:40:50,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:40:50,398 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:40:50,398 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:40:50,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:40:50,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:40:50,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:40:50,869 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:40:50,872 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:40:50,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-28 19:40:50,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95caed099/42a2804e4aed4492ae00f3d6ae51588b/FLAG3613be01c [2020-10-28 19:40:51,881 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:40:51,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-1.c [2020-10-28 19:40:51,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95caed099/42a2804e4aed4492ae00f3d6ae51588b/FLAG3613be01c [2020-10-28 19:40:51,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/95caed099/42a2804e4aed4492ae00f3d6ae51588b [2020-10-28 19:40:51,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:40:51,956 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:40:51,960 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:40:51,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:40:51,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:40:51,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:40:51" (1/1) ... [2020-10-28 19:40:51,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6d1282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:51, skipping insertion in model container [2020-10-28 19:40:51,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:40:51" (1/1) ... [2020-10-28 19:40:51,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:40:52,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:40:52,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:40:53,021 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:40:53,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:40:53,477 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:40:53,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53 WrapperNode [2020-10-28 19:40:53,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:40:53,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:40:53,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:40:53,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:40:53,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (1/1) ... [2020-10-28 19:40:53,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (1/1) ... [2020-10-28 19:40:53,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (1/1) ... [2020-10-28 19:40:53,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (1/1) ... [2020-10-28 19:40:53,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (1/1) ... [2020-10-28 19:40:53,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (1/1) ... [2020-10-28 19:40:53,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (1/1) ... [2020-10-28 19:40:53,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:40:53,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:40:53,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:40:53,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:40:53,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (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 19:40:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:40:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:40:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:40:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-28 19:40:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-28 19:40:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:40:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:40:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-28 19:40:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:40:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-28 19:40:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-28 19:40:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-28 19:40:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:40:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-28 19:40:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-28 19:40:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-28 19:40:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-28 19:40:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-28 19:40:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-28 19:40:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-28 19:40:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-28 19:40:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-28 19:40:54,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-28 19:40:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-28 19:40:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-28 19:40:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-28 19:40:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-28 19:40:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-28 19:40:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-28 19:40:54,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-28 19:40:54,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-28 19:40:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-28 19:40:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-28 19:40:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:40:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:40:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-28 19:40:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-28 19:40:54,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-28 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-28 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-28 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-28 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-28 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-28 19:40:54,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-28 19:40:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-28 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-28 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-28 19:40:54,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:40:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:40:54,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-28 19:40:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-28 19:40:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-28 19:40:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-28 19:40:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:40:54,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-28 19:40:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-28 19:40:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-28 19:40:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-28 19:40:54,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:40:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:40:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:40:54,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:40:54,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-28 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-28 19:40:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:40:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 19:40:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-28 19:40:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-28 19:40:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-28 19:40:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-28 19:40:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-28 19:40:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-28 19:40:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-28 19:40:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-28 19:40:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-28 19:40:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-28 19:40:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-28 19:40:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-28 19:40:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-28 19:40:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-28 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-28 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-28 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-28 19:40:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-28 19:40:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-28 19:40:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:40:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-28 19:40:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-28 19:40:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-28 19:40:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:40:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-28 19:40:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-28 19:40:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-28 19:40:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-28 19:40:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-28 19:40:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-28 19:40:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-28 19:40:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-28 19:40:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-28 19:40:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:40:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:40:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-28 19:40:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-28 19:40:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-28 19:40:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-28 19:40:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-28 19:40:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-28 19:40:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-28 19:40:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-28 19:40:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-28 19:40:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:40:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-28 19:40:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-28 19:40:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-28 19:40:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-28 19:40:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-28 19:40:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:40:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:40:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:40:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:40:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:41:14,174 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:41:14,175 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 19:41:14,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:41:14 BoogieIcfgContainer [2020-10-28 19:41:14,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:41:14,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:41:14,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:41:14,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:41:14,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:40:51" (1/3) ... [2020-10-28 19:41:14,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4dcaf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:41:14, skipping insertion in model container [2020-10-28 19:41:14,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:40:53" (2/3) ... [2020-10-28 19:41:14,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4dcaf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:41:14, skipping insertion in model container [2020-10-28 19:41:14,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:41:14" (3/3) ... [2020-10-28 19:41:14,189 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-1.c [2020-10-28 19:41:14,200 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:41:14,207 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:41:14,220 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:41:14,258 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:41:14,258 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:41:14,259 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:41:14,259 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:41:14,259 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:41:14,259 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:41:14,259 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:41:14,259 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:41:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states. [2020-10-28 19:41:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-28 19:41:14,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:41:14,346 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] [2020-10-28 19:41:14,346 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:41:14,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:41:14,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1040695822, now seen corresponding path program 1 times [2020-10-28 19:41:14,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:41:14,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [267131057] [2020-10-28 19:41:14,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:41:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:15,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:15,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:15,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:15,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:15,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:15,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:15,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:16,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:16,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:16,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:16,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:16,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:22,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:22,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 19:41:22,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 19:41:22,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7419 [2020-10-28 19:41:22,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:22,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:22,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:22,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:41:22,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:22,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 19:41:23,938 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-28 19:41:23,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:41:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:24,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:41:24,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:24,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-28 19:41:24,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:24,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:24,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:24,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:24,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:41:24,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 19:41:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:24,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:24,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:41:24,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:24,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:41:24,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:24,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:24,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:24,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:41:24,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 19:41:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:24,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:24,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:41:24,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:24,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:41:24,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:24,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:24,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:24,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:41:24,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:41:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:24,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:24,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:25,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:25,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 19:41:25,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 44 [2020-10-28 19:41:25,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1572 [2020-10-28 19:41:25,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:25,785 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:25,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-28 19:41:25,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:25,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:41:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:25,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:26,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:26,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:41:26,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:26,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 980 [2020-10-28 19:41:26,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:26,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:41:26,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:26,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:26,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 19:41:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:26,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:26,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:26,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:26,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 19:41:26,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:41:26,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 19:41:26,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:26,977 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 19:41:26,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:26,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:41:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:26,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:27,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:27,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:41:27,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:27,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 19:41:27,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:27,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:27,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:27,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:27,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:27,083 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 19:41:27,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [267131057] [2020-10-28 19:41:27,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:41:27,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 19:41:27,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138005020] [2020-10-28 19:41:27,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 19:41:27,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:41:27,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 19:41:27,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 19:41:27,108 INFO L87 Difference]: Start difference. First operand 2593 states. Second operand 6 states. [2020-10-28 19:41:28,836 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-28 19:42:48,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:42:48,711 INFO L93 Difference]: Finished difference Result 6014 states and 9891 transitions. [2020-10-28 19:42:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 19:42:48,713 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-10-28 19:42:48,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:42:48,778 INFO L225 Difference]: With dead ends: 6014 [2020-10-28 19:42:48,779 INFO L226 Difference]: Without dead ends: 3431 [2020-10-28 19:42:48,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:42:48,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3431 states. [2020-10-28 19:42:49,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3431 to 2562. [2020-10-28 19:42:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2020-10-28 19:42:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3145 transitions. [2020-10-28 19:42:49,483 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3145 transitions. Word has length 164 [2020-10-28 19:42:49,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:42:49,484 INFO L481 AbstractCegarLoop]: Abstraction has 2562 states and 3145 transitions. [2020-10-28 19:42:49,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 19:42:49,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3145 transitions. [2020-10-28 19:42:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-28 19:42:49,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:42:49,498 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:42:49,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:42:49,499 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:42:49,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:42:49,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1910384005, now seen corresponding path program 1 times [2020-10-28 19:42:49,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:42:49,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1968501412] [2020-10-28 19:42:49,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:42:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:42:49,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:42:50,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:42:50,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:42:50,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:16,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:53,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:43:53,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-28 19:43:53,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:43:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63942 [2020-10-28 19:43:53,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:43:53,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:43:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:43:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-28 19:43:53,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 19:43:53,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:43:55,706 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-28 19:43:55,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:43:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:43:55,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:55,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:43:55,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:43:55,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:43:55,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 120 [2020-10-28 19:43:55,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:43:55,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:43:55,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:43:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:43:55,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:43:55,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:43:55,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 19:43:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:43:55,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:55,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:43:55,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:43:55,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:43:55,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:43:55,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:43:55,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:43:55,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:43:55,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:43:55,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:43:55,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:43:55,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 19:43:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:43:55,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:55,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:43:55,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:43:55,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:43:55,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:43:55,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:43:55,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:43:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:43:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:43:55,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:43:55,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:43:55,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:43:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:43:55,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:56,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:57,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:01,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:01,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 19:44:01,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:44:01,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5486 [2020-10-28 19:44:01,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:01,408 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:01,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:01,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:01,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:44:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:01,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:02,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:02,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1163 [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:02,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:02,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 19:44:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:02,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:02,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:02,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:02,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:02,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:03,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:07,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:07,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 19:44:07,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:44:07,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:44:07,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:07,716 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:44:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:44:07,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 19:44:07,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 19:44:07,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:44:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:07,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:07,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:07,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:07,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:07,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 19:44:07,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:07,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 19:44:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:07,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:44:07,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:07,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:44:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:07,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:07,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:07,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:07,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:07,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:44:07,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 19:44:07,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:07,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:07,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:44:07,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:08,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:44:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 19:44:08,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:44:08,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-28 19:44:08,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,104 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 19:44:08,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:44:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:08,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:08,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:44:08,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:08,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:08,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:08,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:44:08,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:08,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:08,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:44:08,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:08,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:08,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:08,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:44:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:44:08,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:08,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 19:44:08,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:08,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:08,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:08,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 19:44:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:08,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:44:08,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 19:44:08,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:08,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:44:08,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:08,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 19:44:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:08,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:44:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 19:44:08,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:08,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:44:08,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:08,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 19:44:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:44:08,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:08,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 19:44:08,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 19:44:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 19:44:08,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:44:08,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:08,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:44:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:08,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:08,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:44:08,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:08,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:44:08,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:08,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:08,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:08,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:44:08,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 19:44:08,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1968501412] [2020-10-28 19:44:08,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:44:08,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 19:44:08,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630846074] [2020-10-28 19:44:08,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:44:08,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:44:08,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:44:08,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:44:08,455 INFO L87 Difference]: Start difference. First operand 2562 states and 3145 transitions. Second operand 12 states. [2020-10-28 19:44:10,284 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-28 19:44:12,975 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 506 [2020-10-28 19:44:15,119 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 503 [2020-10-28 19:44:29,573 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 507