/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 06:25:01,913 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 06:25:01,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 06:25:01,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 06:25:01,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 06:25:01,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 06:25:01,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 06:25:01,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 06:25:02,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 06:25:02,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 06:25:02,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 06:25:02,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 06:25:02,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 06:25:02,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 06:25:02,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 06:25:02,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 06:25:02,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 06:25:02,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 06:25:02,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 06:25:02,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 06:25:02,039 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 06:25:02,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 06:25:02,042 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 06:25:02,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 06:25:02,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 06:25:02,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 06:25:02,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 06:25:02,070 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 06:25:02,070 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 06:25:02,071 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 06:25:02,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 06:25:02,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 06:25:02,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 06:25:02,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 06:25:02,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 06:25:02,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 06:25:02,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 06:25:02,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 06:25:02,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 06:25:02,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 06:25:02,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 06:25:02,098 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 06:25:02,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 06:25:02,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 06:25:02,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 06:25:02,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 06:25:02,127 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 06:25:02,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 06:25:02,127 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 06:25:02,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 06:25:02,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 06:25:02,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 06:25:02,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 06:25:02,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 06:25:02,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 06:25:02,129 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 06:25:02,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 06:25:02,129 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 06:25:02,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 06:25:02,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 06:25:02,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 06:25:02,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 06:25:02,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 06:25:02,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:25:02,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 06:25:02,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 06:25:02,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 06:25:02,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 06:25:02,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 06:25:02,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 06:25:02,132 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 06:25:02,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 06:25:02,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 06:25:02,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 06:25:02,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 06:25:02,551 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 06:25:02,551 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 06:25:02,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-27 06:25:02,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b479104c0/0f1512777b364f05a1570691899b4f99/FLAGea945bbdd [2020-10-27 06:25:03,619 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 06:25:03,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/seq-mthreaded/rekh_ctm.3-2.c [2020-10-27 06:25:03,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b479104c0/0f1512777b364f05a1570691899b4f99/FLAGea945bbdd [2020-10-27 06:25:03,708 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b479104c0/0f1512777b364f05a1570691899b4f99 [2020-10-27 06:25:03,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 06:25:03,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 06:25:03,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 06:25:03,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 06:25:03,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 06:25:03,732 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:25:03" (1/1) ... [2020-10-27 06:25:03,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe7a913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:03, skipping insertion in model container [2020-10-27 06:25:03,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:25:03" (1/1) ... [2020-10-27 06:25:03,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 06:25:03,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 06:25:04,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:25:04,913 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 06:25:05,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 06:25:05,428 INFO L208 MainTranslator]: Completed translation [2020-10-27 06:25:05,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05 WrapperNode [2020-10-27 06:25:05,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 06:25:05,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 06:25:05,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 06:25:05,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 06:25:05,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... [2020-10-27 06:25:05,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... [2020-10-27 06:25:05,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... [2020-10-27 06:25:05,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... [2020-10-27 06:25:05,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... [2020-10-27 06:25:05,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... [2020-10-27 06:25:05,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... [2020-10-27 06:25:05,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 06:25:05,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 06:25:05,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 06:25:05,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 06:25:05,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 06:25:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 06:25:06,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 06:25:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 06:25:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2020-10-27 06:25:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure calibrate [2020-10-27 06:25:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_set_nxtcolorsensor [2020-10-27 06:25:06,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-27 06:25:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bg_nxtcolorsensor [2020-10-27 06:25:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_is_ENTER_button_pressed [2020-10-27 06:25:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2020-10-27 06:25:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2020-10-27 06:25:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2020-10-27 06:25:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_nxtcolorsensor_light [2020-10-27 06:25:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure TerminateTask [2020-10-27 06:25:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure transition [2020-10-27 06:25:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2020-10-27 06:25:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure move_motor [2020-10-27 06:25:06,050 INFO L138 BoogieDeclarations]: Found implementation of procedure Controller [2020-10-27 06:25:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Reader [2020-10-27 06:25:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Writer [2020-10-27 06:25:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure TapeMover [2020-10-27 06:25:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Controller [2020-10-27 06:25:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperController [2020-10-27 06:25:06,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_TapeMover [2020-10-27 06:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperTapeMover [2020-10-27 06:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Reader [2020-10-27 06:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperReader [2020-10-27 06:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_Writer [2020-10-27 06:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cil_keeperWriter [2020-10-27 06:25:06,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_schedule_jobs [2020-10-27 06:25:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_globals [2020-10-27 06:25:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2020-10-27 06:25:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2020-10-27 06:25:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2020-10-27 06:25:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t3 [2020-10-27 06:25:06,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_assert_i0 [2020-10-27 06:25:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_init [2020-10-27 06:25:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_user_final [2020-10-27 06:25:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_hyperperiod [2020-10-27 06:25:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 06:25:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_current_priority [2020-10-27 06:25:06,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_count [2020-10-27 06:25:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_speed [2020-10-27 06:25:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_count [2020-10-27 06:25:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_speed [2020-10-27 06:25:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_count [2020-10-27 06:25:06,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_speed [2020-10-27 06:25:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-27 06:25:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtcolorsensor_mode [2020-10-27 06:25:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_input [2020-10-27 06:25:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_output [2020-10-27 06:25:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_dir [2020-10-27 06:25:06,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_read [2020-10-27 06:25:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_need_to_run_nxtbg [2020-10-27 06:25:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_threshold [2020-10-27 06:25:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_R_state [2020-10-27 06:25:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_W_state [2020-10-27 06:25:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_T_state [2020-10-27 06:25:06,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Controller [2020-10-27 06:25:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-27 06:25:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Reader [2020-10-27 06:25:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read___startrek_job_count_Writer [2020-10-27 06:25:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_current_priority [2020-10-27 06:25:06,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_count [2020-10-27 06:25:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_speed [2020-10-27 06:25:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_count [2020-10-27 06:25:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_speed [2020-10-27 06:25:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_count [2020-10-27 06:25:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_speed [2020-10-27 06:25:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-27 06:25:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtcolorsensor_mode [2020-10-27 06:25:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_input [2020-10-27 06:25:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_output [2020-10-27 06:25:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_dir [2020-10-27 06:25:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_read [2020-10-27 06:25:06,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_need_to_run_nxtbg [2020-10-27 06:25:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_threshold [2020-10-27 06:25:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_R_state [2020-10-27 06:25:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_W_state [2020-10-27 06:25:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_T_state [2020-10-27 06:25:06,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Controller [2020-10-27 06:25:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-27 06:25:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Reader [2020-10-27 06:25:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write___startrek_job_count_Writer [2020-10-27 06:25:06,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_init_shared [2020-10-27 06:25:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 06:25:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 06:25:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 06:25:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 06:25:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_shared [2020-10-27 06:25:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_assert_i0 [2020-10-27 06:25:06,063 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t3 [2020-10-27 06:25:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2020-10-27 06:25:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2020-10-27 06:25:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2020-10-27 06:25:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2020-10-27 06:25:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-27 06:25:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 06:25:06,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-10-27 06:25:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2020-10-27 06:25:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_lock [2020-10-27 06:25:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cpu_unlock [2020-10-27 06:25:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2020-10-27 06:25:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_current_priority [2020-10-27 06:25:06,065 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_current_priority [2020-10-27 06:25:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_count [2020-10-27 06:25:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_count [2020-10-27 06:25:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_speed [2020-10-27 06:25:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_speed [2020-10-27 06:25:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_count [2020-10-27 06:25:06,066 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_count [2020-10-27 06:25:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_speed [2020-10-27 06:25:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_speed [2020-10-27 06:25:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_count [2020-10-27 06:25:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_count [2020-10-27 06:25:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_speed [2020-10-27 06:25:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_speed [2020-10-27 06:25:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure calibrate [2020-10-27 06:25:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_data_mode [2020-10-27 06:25:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_data_mode [2020-10-27 06:25:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtcolorsensor_mode [2020-10-27 06:25:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtcolorsensor_mode [2020-10-27 06:25:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_set_nxtcolorsensor [2020-10-27 06:25:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_mode [2020-10-27 06:25:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure bg_nxtcolorsensor [2020-10-27 06:25:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_is_ENTER_button_pressed [2020-10-27 06:25:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2020-10-27 06:25:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2020-10-27 06:25:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2020-10-27 06:25:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_nxtcolorsensor_light [2020-10-27 06:25:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure TerminateTask [2020-10-27 06:25:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_input [2020-10-27 06:25:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_input [2020-10-27 06:25:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_output [2020-10-27 06:25:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_output [2020-10-27 06:25:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_dir [2020-10-27 06:25:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_dir [2020-10-27 06:25:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_read [2020-10-27 06:25:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_read [2020-10-27 06:25:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_need_to_run_nxtbg [2020-10-27 06:25:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_need_to_run_nxtbg [2020-10-27 06:25:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_threshold [2020-10-27 06:25:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_threshold [2020-10-27 06:25:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_R_state [2020-10-27 06:25:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_R_state [2020-10-27 06:25:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_W_state [2020-10-27 06:25:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_W_state [2020-10-27 06:25:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_T_state [2020-10-27 06:25:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_T_state [2020-10-27 06:25:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure transition [2020-10-27 06:25:06,073 INFO L130 BoogieDeclarations]: Found specification of procedure init [2020-10-27 06:25:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure move_motor [2020-10-27 06:25:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure Controller [2020-10-27 06:25:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure Reader [2020-10-27 06:25:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure Writer [2020-10-27 06:25:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure TapeMover [2020-10-27 06:25:06,074 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Controller [2020-10-27 06:25:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Controller [2020-10-27 06:25:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Controller [2020-10-27 06:25:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperController [2020-10-27 06:25:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_TapeMover [2020-10-27 06:25:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_TapeMover [2020-10-27 06:25:06,075 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_TapeMover [2020-10-27 06:25:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperTapeMover [2020-10-27 06:25:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Reader [2020-10-27 06:25:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Reader [2020-10-27 06:25:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Reader [2020-10-27 06:25:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperReader [2020-10-27 06:25:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read___startrek_job_count_Writer [2020-10-27 06:25:06,076 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write___startrek_job_count_Writer [2020-10-27 06:25:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_Writer [2020-10-27 06:25:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure cil_keeperWriter [2020-10-27 06:25:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_schedule_jobs [2020-10-27 06:25:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 06:25:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 06:25:06,077 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_init_globals [2020-10-27 06:25:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_init [2020-10-27 06:25:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_user_final [2020-10-27 06:25:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_hyperperiod [2020-10-27 06:25:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 06:25:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 06:25:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 06:25:06,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 06:25:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 06:25:27,754 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 06:25:27,754 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 06:25:27,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:25:27 BoogieIcfgContainer [2020-10-27 06:25:27,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 06:25:27,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 06:25:27,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 06:25:27,770 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 06:25:27,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 06:25:03" (1/3) ... [2020-10-27 06:25:27,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b61c39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:25:27, skipping insertion in model container [2020-10-27 06:25:27,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:25:05" (2/3) ... [2020-10-27 06:25:27,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b61c39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 06:25:27, skipping insertion in model container [2020-10-27 06:25:27,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:25:27" (3/3) ... [2020-10-27 06:25:27,775 INFO L111 eAbstractionObserver]: Analyzing ICFG rekh_ctm.3-2.c [2020-10-27 06:25:27,792 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 06:25:27,801 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 06:25:27,816 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 06:25:27,869 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 06:25:27,869 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 06:25:27,870 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 06:25:27,870 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 06:25:27,870 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 06:25:27,870 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 06:25:27,870 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 06:25:27,870 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 06:25:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states. [2020-10-27 06:25:27,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 06:25:27,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:25:27,969 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] [2020-10-27 06:25:27,969 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:25:27,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:25:27,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1040695822, now seen corresponding path program 1 times [2020-10-27 06:25:27,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:25:27,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1529961468] [2020-10-27 06:25:27,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:25:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:28,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:28,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:29,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:29,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:29,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:29,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:29,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:29,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:30,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:30,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:30,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:30,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:36,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:36,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 188 [2020-10-27 06:25:36,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 06:25:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8014 [2020-10-27 06:25:36,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:36,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:36,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-27 06:25:36,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:36,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 06:25:38,140 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-27 06:25:38,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:25:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:38,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:38,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:25:38,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:25:38,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-27 06:25:38,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:38,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:38,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:25:38,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:38,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:25:38,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 06:25:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:38,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:38,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:25:38,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:25:38,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:25:38,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:38,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:38,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:25:38,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-27 06:25:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:25:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:38,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:38,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:25:38,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:25:38,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 06:25:38,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:38,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:38,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:25:38,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:38,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:25:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:25:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:38,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:38,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:39,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:40,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:40,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:40,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:40,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:40,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:40,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:40,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 06:25:40,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 44 [2020-10-27 06:25:40,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2027 [2020-10-27 06:25:40,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 06:25:40,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:40,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:25:40,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 06:25:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:40,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:41,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:41,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:25:41,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:25:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-27 06:25:41,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:25:41,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:25:41,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:25:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:41,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:41,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:41,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 06:25:41,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:25:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 06:25:41,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 06:25:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:25:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:25:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:25:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:25:41,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:25:41,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:25:41,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:25:41,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 06:25:41,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:25:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:25:41,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:25:41,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:25:41,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:25:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 06:25:41,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1529961468] [2020-10-27 06:25:41,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 06:25:41,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 06:25:41,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121055329] [2020-10-27 06:25:41,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 06:25:41,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:25:41,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 06:25:41,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-27 06:25:41,644 INFO L87 Difference]: Start difference. First operand 2593 states. Second operand 6 states. [2020-10-27 06:25:43,431 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-27 06:27:11,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 06:27:11,274 INFO L93 Difference]: Finished difference Result 6005 states and 9857 transitions. [2020-10-27 06:27:11,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 06:27:11,276 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2020-10-27 06:27:11,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 06:27:11,338 INFO L225 Difference]: With dead ends: 6005 [2020-10-27 06:27:11,339 INFO L226 Difference]: Without dead ends: 3422 [2020-10-27 06:27:11,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-27 06:27:11,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2020-10-27 06:27:11,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 2562. [2020-10-27 06:27:11,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2020-10-27 06:27:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3145 transitions. [2020-10-27 06:27:12,010 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3145 transitions. Word has length 164 [2020-10-27 06:27:12,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 06:27:12,011 INFO L481 AbstractCegarLoop]: Abstraction has 2562 states and 3145 transitions. [2020-10-27 06:27:12,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 06:27:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3145 transitions. [2020-10-27 06:27:12,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-10-27 06:27:12,027 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 06:27:12,028 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] [2020-10-27 06:27:12,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 06:27:12,029 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 06:27:12,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 06:27:12,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1910384005, now seen corresponding path program 1 times [2020-10-27 06:27:12,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 06:27:12,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156934593] [2020-10-27 06:27:12,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 06:27:12,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:27:12,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:12,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:13,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:27:46,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:04,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:04,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-27 06:28:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 06:28:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52520 [2020-10-27 06:28:04,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 06:28:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 67 [2020-10-27 06:28:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 52 [2020-10-27 06:28:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:06,787 WARN L193 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-27 06:28:06,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 06:28:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:06,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:06,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:06,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 06:28:06,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:06,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:06,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 06:28:06,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:06,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:06,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:06,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:06,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:06,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 06:28:06,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:06,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:06,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:06,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:06,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:06,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 06:28:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:06,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:06,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:06,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:28:06,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:06,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 06:28:06,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:06,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:06,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-27 06:28:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:07,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:09,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:12,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:12,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-27 06:28:12,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:12,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5136 [2020-10-27 06:28:12,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 06:28:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-27 06:28:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-27 06:28:12,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:14,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 06:28:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:14,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:14,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:14,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 06:28:14,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:14,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 526 [2020-10-27 06:28:14,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 06:28:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 06:28:14,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 06:28:14,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:14,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 06:28:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:15,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:15,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:15,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:15,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:15,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:15,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:20,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:20,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-27 06:28:20,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 06:28:20,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 06:28:20,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 06:28:20,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 06:28:20,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-27 06:28:20,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:20,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:28:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:20,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:20,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:20,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:28:20,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:20,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:28:20,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:20,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:28:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:20,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:28:20,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:28:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:20,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:20,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:20,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:20,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:28:20,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 06:28:20,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:28:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:28:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 06:28:21,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 06:28:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:21,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:21,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-27 06:28:21,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 06:28:21,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-27 06:28:21,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:28:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:21,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 06:28:21,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:21,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 06:28:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:21,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:21,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:28:21,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:21,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 06:28:21,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:21,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:28:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:21,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:28:21,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 06:28:21,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 06:28:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:21,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:21,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:28:21,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 06:28:21,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:28:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:21,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:28:21,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:21,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 06:28:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:21,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:21,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 06:28:21,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:21,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:21,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:21,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:28:21,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:21,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 06:28:21,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-27 06:28:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:21,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:21,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:21,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:28:21,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:21,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 06:28:21,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:28:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 06:28:21,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-27 06:28:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:22,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:22,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:22,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:22,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-27 06:28:22,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 06:28:22,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 06:28:22,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:28:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:22,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 06:28:22,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:22,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-27 06:28:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:22,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:22,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:22,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 06:28:22,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 06:28:22,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 06:28:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 06:28:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 06:28:22,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:22,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 06:28:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 06:28:22,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 06:28:22,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 06:28:22,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 06:28:22,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 06:28:22,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 06:28:22,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 06:28:22,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 06:28:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 06:28:22,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 06:28:22,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 06:28:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 06:28:22,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156934593] [2020-10-27 06:28:22,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 06:28:22,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 06:28:22,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816099472] [2020-10-27 06:28:22,811 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 06:28:22,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 06:28:22,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 06:28:22,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2020-10-27 06:28:22,812 INFO L87 Difference]: Start difference. First operand 2562 states and 3145 transitions. Second operand 25 states. [2020-10-27 06:28:24,666 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-27 06:28:30,095 WARN L193 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-27 06:28:33,529 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 503 [2020-10-27 06:28:36,242 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 506