/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.3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 19:41:04,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 19:41:04,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 19:41:04,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 19:41:04,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 19:41:04,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 19:41:04,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 19:41:04,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 19:41:04,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 19:41:05,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 19:41:05,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 19:41:05,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 19:41:05,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 19:41:05,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 19:41:05,013 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 19:41:05,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 19:41:05,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 19:41:05,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 19:41:05,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 19:41:05,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 19:41:05,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 19:41:05,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 19:41:05,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 19:41:05,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 19:41:05,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 19:41:05,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 19:41:05,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 19:41:05,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 19:41:05,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 19:41:05,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 19:41:05,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 19:41:05,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 19:41:05,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 19:41:05,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 19:41:05,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 19:41:05,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 19:41:05,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 19:41:05,038 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 19:41:05,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 19:41:05,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 19:41:05,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 19:41:05,041 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 19:41:05,066 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 19:41:05,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 19:41:05,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 19:41:05,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 19:41:05,069 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 19:41:05,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 19:41:05,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 19:41:05,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 19:41:05,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 19:41:05,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 19:41:05,070 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 19:41:05,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 19:41:05,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 19:41:05,071 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 19:41:05,071 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 19:41:05,072 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 19:41:05,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 19:41:05,072 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 19:41:05,072 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 19:41:05,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 19:41:05,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 19:41:05,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 19:41:05,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 19:41:05,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 19:41:05,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 19:41:05,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 19:41:05,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 19:41:05,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 19:41:05,075 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 19:41:05,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 19:41:05,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 19:41:05,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 19:41:05,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 19:41:05,476 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 19:41:05,477 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 19:41:05,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-28 19:41:05,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91cc6545b/ce25a8403a79406a862016f7e61dfa73/FLAG69cd8e697 [2020-10-28 19:41:06,445 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 19:41:06,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-28 19:41:06,481 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91cc6545b/ce25a8403a79406a862016f7e61dfa73/FLAG69cd8e697 [2020-10-28 19:41:06,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91cc6545b/ce25a8403a79406a862016f7e61dfa73 [2020-10-28 19:41:06,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 19:41:06,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 19:41:06,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 19:41:06,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 19:41:06,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 19:41:06,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:41:06" (1/1) ... [2020-10-28 19:41:06,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a1e375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:06, skipping insertion in model container [2020-10-28 19:41:06,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 07:41:06" (1/1) ... [2020-10-28 19:41:06,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 19:41:06,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 19:41:07,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:41:07,710 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 19:41:08,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 19:41:08,252 INFO L208 MainTranslator]: Completed translation [2020-10-28 19:41:08,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08 WrapperNode [2020-10-28 19:41:08,252 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 19:41:08,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 19:41:08,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 19:41:08,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 19:41:08,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (1/1) ... [2020-10-28 19:41:08,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (1/1) ... [2020-10-28 19:41:08,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (1/1) ... [2020-10-28 19:41:08,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (1/1) ... [2020-10-28 19:41:08,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (1/1) ... [2020-10-28 19:41:08,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (1/1) ... [2020-10-28 19:41:08,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (1/1) ... [2020-10-28 19:41:08,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 19:41:08,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 19:41:08,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 19:41:08,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 19:41:08,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (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 19:41:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 19:41:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 19:41:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 19:41:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-28 19:41:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-28 19:41:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:41:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:41:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-28 19:41:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:41:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-28 19:41:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-28 19:41:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-28 19:41:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:41:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-28 19:41:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-28 19:41:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-28 19:41:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-28 19:41:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-28 19:41:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-28 19:41:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-28 19:41:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-28 19:41:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-28 19:41:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-28 19:41:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:41:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-28 19:41:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-28 19:41:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-28 19:41:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-28 19:41:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-28 19:41:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-28 19:41:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-28 19:41:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-28 19:41:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-28 19:41:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-28 19:41:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-28 19:41:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-28 19:41:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-28 19:41:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-28 19:41:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-28 19:41:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 19:41:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-28 19:41:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-28 19:41:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-28 19:41:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-28 19:41:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-28 19:41:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-28 19:41:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-28 19:41:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:41:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:41:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-28 19:41:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-28 19:41:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-28 19:41:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-28 19:41:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:41:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-28 19:41:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-28 19:41:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-28 19:41:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-28 19:41:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:41:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:41:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:41:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:41:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-28 19:41:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-28 19:41:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-28 19:41:08,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-28 19:41:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-28 19:41:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-28 19:41:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-28 19:41:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:41:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:41:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-28 19:41:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-28 19:41:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-28 19:41:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-28 19:41:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:41:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-28 19:41:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-28 19:41:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-28 19:41:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-28 19:41:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:41:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:41:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:41:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:41:08,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-28 19:41:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 19:41:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 19:41:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 19:41:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 19:41:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-28 19:41:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-28 19:41:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-28 19:41:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-28 19:41:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-28 19:41:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-28 19:41:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-28 19:41:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 19:41:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 19:41:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-28 19:41:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-28 19:41:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-28 19:41:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-28 19:41:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-28 19:41:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-28 19:41:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-28 19:41:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-28 19:41:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-28 19:41:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-28 19:41:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-28 19:41:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-28 19:41:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-28 19:41:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-28 19:41:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-28 19:41:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-28 19:41:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-28 19:41:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-28 19:41:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-28 19:41:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-28 19:41:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-28 19:41:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-28 19:41:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-28 19:41:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-28 19:41:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-28 19:41:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-28 19:41:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-28 19:41:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-28 19:41:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-28 19:41:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-28 19:41:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-28 19:41:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-28 19:41:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-28 19:41:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-28 19:41:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-28 19:41:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-28 19:41:08,898 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-28 19:41:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-28 19:41:08,899 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-28 19:41:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-28 19:41:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-28 19:41:08,900 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-28 19:41:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-28 19:41:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-28 19:41:08,901 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-28 19:41:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-28 19:41:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-28 19:41:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-28 19:41:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-28 19:41:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-28 19:41:08,909 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-28 19:41:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-28 19:41:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-28 19:41:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-28 19:41:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-28 19:41:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-28 19:41:08,910 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-28 19:41:08,911 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-28 19:41:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-28 19:41:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-28 19:41:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-28 19:41:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-28 19:41:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-28 19:41:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-28 19:41:08,912 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-28 19:41:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-28 19:41:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-28 19:41:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-28 19:41:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 19:41:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 19:41:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-28 19:41:08,913 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-28 19:41:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-28 19:41:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-28 19:41:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 19:41:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 19:41:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 19:41:08,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 19:41:08,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 19:41:30,306 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 19:41:30,306 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 19:41:30,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:41:30 BoogieIcfgContainer [2020-10-28 19:41:30,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 19:41:30,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 19:41:30,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 19:41:30,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 19:41:30,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 07:41:06" (1/3) ... [2020-10-28 19:41:30,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482765e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:41:30, skipping insertion in model container [2020-10-28 19:41:30,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 07:41:08" (2/3) ... [2020-10-28 19:41:30,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@482765e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 07:41:30, skipping insertion in model container [2020-10-28 19:41:30,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 07:41:30" (3/3) ... [2020-10-28 19:41:30,329 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-2.c [2020-10-28 19:41:30,347 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 19:41:30,356 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 19:41:30,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 19:41:30,423 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 19:41:30,424 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 19:41:30,424 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 19:41:30,424 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 19:41:30,424 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 19:41:30,424 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 19:41:30,424 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 19:41:30,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 19:41:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states. [2020-10-28 19:41:30,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-28 19:41:30,538 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:41:30,539 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 19:41:30,540 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:41:30,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:41:30,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1040695822, now seen corresponding path program 1 times [2020-10-28 19:41:30,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:41:30,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [567883427] [2020-10-28 19:41:30,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:41:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:31,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:31,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:31,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:31,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:32,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:38,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:38,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-28 19:41:38,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 19:41:38,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7251 [2020-10-28 19:41:38,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:38,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-28 19:41:38,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:38,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 7 [2020-10-28 19:41:40,113 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-28 19:41:40,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:41:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:40,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:40,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:41:40,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:40,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-28 19:41:40,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:40,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:40,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:40,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:41:40,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 19:41:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:40,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:40,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:41:40,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:40,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 19:41:40,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:40,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:40,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:40,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:40,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 19:41:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:40,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:40,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:41:40,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:40,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 19:41:40,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:40,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:40,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:40,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:40,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:40,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:41:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:41:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:40,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:40,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:41,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:42,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:42,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:42,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:42,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:42,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:42,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:42,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:42,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 19:41:42,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 44 [2020-10-28 19:41:42,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2128 [2020-10-28 19:41:42,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:42,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:42,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-28 19:41:42,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:42,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:41:42,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:41:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:42,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:43,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:43,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:41:43,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:43,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 925 [2020-10-28 19:41:43,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:43,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 19:41:43,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:43,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 19:41:43,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:43,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:43,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:43,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:43,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 19:41:43,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:41:43,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 19:41:43,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:43,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 19:41:43,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:43,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:43,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:41:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:41:43,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:41:43,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:41:43,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:41:43,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:41:43,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:41:43,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:41:43,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:41:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:41:43,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:41:43,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:41:43,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:41:43,826 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 19:41:43,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [567883427] [2020-10-28 19:41:43,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:41:43,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 19:41:43,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972570103] [2020-10-28 19:41:43,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 19:41:43,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:41:43,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 19:41:43,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 19:41:43,852 INFO L87 Difference]: Start difference. First operand 2593 states. Second operand 6 states. [2020-10-28 19:41:45,566 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-28 19:43:10,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 19:43:10,262 INFO L93 Difference]: Finished difference Result 6005 states and 9857 transitions. [2020-10-28 19:43:10,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 19:43:10,263 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-10-28 19:43:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 19:43:10,331 INFO L225 Difference]: With dead ends: 6005 [2020-10-28 19:43:10,332 INFO L226 Difference]: Without dead ends: 3422 [2020-10-28 19:43:10,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-28 19:43:10,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2020-10-28 19:43:11,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 2562. [2020-10-28 19:43:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2020-10-28 19:43:11,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3145 transitions. [2020-10-28 19:43:11,145 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3145 transitions. Word has length 164 [2020-10-28 19:43:11,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 19:43:11,146 INFO L481 AbstractCegarLoop]: Abstraction has 2562 states and 3145 transitions. [2020-10-28 19:43:11,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 19:43:11,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3145 transitions. [2020-10-28 19:43:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-28 19:43:11,155 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 19:43:11,155 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 19:43:11,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 19:43:11,156 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 19:43:11,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 19:43:11,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1910384005, now seen corresponding path program 1 times [2020-10-28 19:43:11,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 19:43:11,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069304131] [2020-10-28 19:43:11,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 19:43:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:43:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:11,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:12,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:12,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:43:43,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:02,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:02,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-28 19:44:02,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 19:44:02,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50935 [2020-10-28 19:44:02,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:02,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:44:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 157 [2020-10-28 19:44:02,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 19:44:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:04,279 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-28 19:44:04,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 19:44:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:04,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:04,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:04,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:44:04,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:04,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-28 19:44:04,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:04,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:04,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:04,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:04,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 19:44:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:04,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:04,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:04,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:44:04,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:04,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:44:04,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:04,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:04,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:04,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:04,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 19:44:04,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:04,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:04,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:04,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:44:04,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:04,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:44:04,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:04,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:04,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:04,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:04,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:04,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-28 19:44:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:04,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:08,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:10,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:10,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:10,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 19:44:10,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 19:44:10,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6417 [2020-10-28 19:44:10,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:10,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:10,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:10,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:10,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:10,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:10,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 19:44:10,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:10,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:11,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:11,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 19:44:11,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:11,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 589 [2020-10-28 19:44:11,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:11,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 19:44:11,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 19:44:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:11,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:11,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:11,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:11,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:11,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:12,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:16,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:16,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-28 19:44:16,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 19:44:16,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 19:44:16,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:16,664 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:16,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 19:44:16,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 19:44:16,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 19:44:16,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:16,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:44:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:16,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:16,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:16,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:16,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:16,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 19:44:16,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:16,818 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 19:44:16,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:16,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 19:44:16,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:44:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:17,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:44:17,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 19:44:17,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:17,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:44:17,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 19:44:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 19:44:17,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 19:44:17,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 19:44:17,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 19:44:17,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 19:44:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:17,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:17,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:44:17,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:17,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:17,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 19:44:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:17,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:17,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 19:44:17,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:17,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:17,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-28 19:44:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 19:44:17,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 19:44:17,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 19:44:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 19:44:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 19:44:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:17,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:44:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 19:44:17,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:44:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-28 19:44:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 19:44:17,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 19:44:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-28 19:44:17,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:17,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 19:44:17,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 19:44:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 19:44:17,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 19:44:17,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,386 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 19:44:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-28 19:44:17,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 19:44:17,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 19:44:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 19:44:17,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 19:44:17,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 19:44:17,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 19:44:17,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 19:44:17,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 19:44:17,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 19:44:17,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 19:44:17,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 19:44:17,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 19:44:17,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 19:44:17,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 19:44:17,692 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 19:44:17,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069304131] [2020-10-28 19:44:17,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 19:44:17,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 19:44:17,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646347376] [2020-10-28 19:44:17,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 19:44:17,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 19:44:17,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 19:44:17,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-28 19:44:17,701 INFO L87 Difference]: Start difference. First operand 2562 states and 3145 transitions. Second operand 12 states. [2020-10-28 19:44:19,564 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-28 19:44:22,663 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 506 [2020-10-28 19:44:24,973 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 503 [2020-10-28 19:44:34,687 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 507 [2020-10-28 19:44:40,187 WARN L193 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 510 DAG size of output: 509 [2020-10-28 19:44:43,060 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 504