/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=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 03:05:05,127 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 03:05:05,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 03:05:05,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 03:05:05,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 03:05:05,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 03:05:05,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 03:05:05,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 03:05:05,204 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 03:05:05,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 03:05:05,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 03:05:05,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 03:05:05,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 03:05:05,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 03:05:05,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 03:05:05,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 03:05:05,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 03:05:05,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 03:05:05,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 03:05:05,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 03:05:05,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 03:05:05,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 03:05:05,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 03:05:05,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 03:05:05,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 03:05:05,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 03:05:05,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 03:05:05,258 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 03:05:05,259 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 03:05:05,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 03:05:05,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 03:05:05,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 03:05:05,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 03:05:05,266 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 03:05:05,267 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 03:05:05,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 03:05:05,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 03:05:05,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 03:05:05,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 03:05:05,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 03:05:05,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 03:05:05,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-28 03:05:05,330 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 03:05:05,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 03:05:05,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 03:05:05,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 03:05:05,334 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 03:05:05,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 03:05:05,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 03:05:05,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 03:05:05,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 03:05:05,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 03:05:05,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 03:05:05,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 03:05:05,337 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 03:05:05,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 03:05:05,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 03:05:05,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 03:05:05,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 03:05:05,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 03:05:05,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 03:05:05,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 03:05:05,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 03:05:05,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 03:05:05,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 03:05:05,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 03:05:05,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 03:05:05,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 03:05:05,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-28 03:05:05,340 INFO L138 SettingsManager]: * To the following directory=dump/ 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 03:05:05,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 03:05:05,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 03:05:05,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 03:05:05,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 03:05:05,771 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 03:05:05,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-28 03:05:05,850 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d19363d17/6541925a1a204d7b95cf15460c2af2a2/FLAGc3c4c8a93 [2020-10-28 03:05:06,820 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 03:05:06,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.0/usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-28 03:05:06,874 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d19363d17/6541925a1a204d7b95cf15460c2af2a2/FLAGc3c4c8a93 [2020-10-28 03:05:07,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d19363d17/6541925a1a204d7b95cf15460c2af2a2 [2020-10-28 03:05:07,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 03:05:07,380 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 03:05:07,383 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 03:05:07,383 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 03:05:07,387 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 03:05:07,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:05:07" (1/1) ... [2020-10-28 03:05:07,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d8efe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:07, skipping insertion in model container [2020-10-28 03:05:07,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 03:05:07" (1/1) ... [2020-10-28 03:05:07,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 03:05:07,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 03:05:08,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:05:08,447 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 03:05:08,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 03:05:08,719 INFO L208 MainTranslator]: Completed translation [2020-10-28 03:05:08,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08 WrapperNode [2020-10-28 03:05:08,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 03:05:08,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 03:05:08,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 03:05:08,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 03:05:08,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (1/1) ... [2020-10-28 03:05:08,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (1/1) ... [2020-10-28 03:05:08,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (1/1) ... [2020-10-28 03:05:08,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (1/1) ... [2020-10-28 03:05:08,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (1/1) ... [2020-10-28 03:05:08,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (1/1) ... [2020-10-28 03:05:08,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (1/1) ... [2020-10-28 03:05:08,920 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 03:05:08,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 03:05:08,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 03:05:08,921 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 03:05:08,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (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 03:05:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 03:05:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 03:05:09,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 03:05:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2020-10-28 03:05:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-28 03:05:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 03:05:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-28 03:05:09,009 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-28 03:05:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-28 03:05:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-28 03:05:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register [2020-10-28 03:05:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-28 03:05:09,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-28 03:05:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-28 03:05:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-28 03:05:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-28 03:05:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-10-28 03:05:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-10-28 03:05:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-10-28 03:05:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2020-10-28 03:05:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2020-10-28 03:05:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_irq [2020-10-28 03:05:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_open [2020-10-28 03:05:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_close [2020-10-28 03:05:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_probe [2020-10-28 03:05:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_disconnect [2020-10-28 03:05:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_init [2020-10-28 03:05:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure kbtab_exit [2020-10-28 03:05:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure init_module [2020-10-28 03:05:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup_module [2020-10-28 03:05:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 03:05:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2020-10-28 03:05:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2020-10-28 03:05:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2020-10-28 03:05:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2020-10-28 03:05:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-28 03:05:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-28 03:05:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-28 03:05:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-28 03:05:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-28 03:05:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-28 03:05:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-28 03:05:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-28 03:05:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-28 03:05:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-28 03:05:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-10-28 03:05:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-28 03:05:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-28 03:05:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-28 03:05:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2020-10-28 03:05:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-28 03:05:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-10-28 03:05:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-28 03:05:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-28 03:05:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-28 03:05:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-28 03:05:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 03:05:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 03:05:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 03:05:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-28 03:05:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-28 03:05:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 03:05:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 03:05:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2020-10-28 03:05:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 03:05:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-28 03:05:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-28 03:05:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-10-28 03:05:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 03:05:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-28 03:05:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-28 03:05:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-28 03:05:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 03:05:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure init_module [2020-10-28 03:05:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup_module [2020-10-28 03:05:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-28 03:05:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-28 03:05:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-28 03:05:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-28 03:05:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-28 03:05:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 03:05:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-28 03:05:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-28 03:05:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register [2020-10-28 03:05:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-28 03:05:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-28 03:05:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 03:05:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 03:05:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-28 03:05:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-28 03:05:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-28 03:05:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-28 03:05:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2020-10-28 03:05:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2020-10-28 03:05:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-28 03:05:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-28 03:05:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-28 03:05:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-28 03:05:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-28 03:05:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-28 03:05:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-28 03:05:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-28 03:05:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-10-28 03:05:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-10-28 03:05:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-10-28 03:05:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-10-28 03:05:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2020-10-28 03:05:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2020-10-28 03:05:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_irq [2020-10-28 03:05:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_open [2020-10-28 03:05:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_close [2020-10-28 03:05:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_probe [2020-10-28 03:05:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_disconnect [2020-10-28 03:05:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_init [2020-10-28 03:05:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure kbtab_exit [2020-10-28 03:05:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-28 03:05:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-28 03:05:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-28 03:05:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 03:05:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 03:05:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2020-10-28 03:05:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2020-10-28 03:05:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2020-10-28 03:05:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-28 03:05:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 03:05:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-28 03:05:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 03:05:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-28 03:05:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 03:05:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 03:05:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 03:05:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 03:05:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-28 03:05:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 03:05:09,832 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 03:05:09,933 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-10-28 03:05:09,933 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-10-28 03:05:10,403 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-10-28 03:05:10,509 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-10-28 03:05:10,509 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-10-28 03:05:10,731 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2020-10-28 03:05:13,229 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 03:05:13,230 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-28 03:05:13,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:05:13 BoogieIcfgContainer [2020-10-28 03:05:13,235 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 03:05:13,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 03:05:13,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 03:05:13,247 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 03:05:13,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 03:05:07" (1/3) ... [2020-10-28 03:05:13,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff3cc91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:05:13, skipping insertion in model container [2020-10-28 03:05:13,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 03:05:08" (2/3) ... [2020-10-28 03:05:13,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff3cc91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 03:05:13, skipping insertion in model container [2020-10-28 03:05:13,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 03:05:13" (3/3) ... [2020-10-28 03:05:13,252 INFO L111 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-input-tablet-kbtab.ko.cil.out.i [2020-10-28 03:05:13,265 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 03:05:13,272 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 03:05:13,286 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 03:05:13,333 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 03:05:13,333 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 03:05:13,333 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 03:05:13,333 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 03:05:13,333 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 03:05:13,334 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 03:05:13,334 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 03:05:13,334 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 03:05:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states. [2020-10-28 03:05:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-28 03:05:13,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:05:13,383 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] [2020-10-28 03:05:13,383 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:05:13,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:05:13,393 INFO L82 PathProgramCache]: Analyzing trace with hash 104458097, now seen corresponding path program 1 times [2020-10-28 03:05:13,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:05:13,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [95759297] [2020-10-28 03:05:13,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:05:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:13,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:14,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:16,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:16,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 03:05:16,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:05:16,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2610 [2020-10-28 03:05:16,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:05:16,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-28 03:05:16,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 03:05:16,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 03:05:17,039 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:05:17,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:05:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:17,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:17,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:17,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:17,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:17,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 03:05:17,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:17,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:17,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:17,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:17,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:05:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:17,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:17,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:17,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:05:17,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:17,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:05:17,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:17,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 03:05:17,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:05:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:17,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:17,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:17,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:05:17,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:17,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 03:05:17,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:05:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:17,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 03:05:17,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:05:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:17,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:17,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:17,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:05:17,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:17,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:05:17,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:17,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:17,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:17,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:17,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:17,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:17,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:17,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:17,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:17,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:05:17,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:17,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:17,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:17,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:17,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:17,388 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 03:05:17,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [95759297] [2020-10-28 03:05:17,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:05:17,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 03:05:17,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297116957] [2020-10-28 03:05:17,398 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 03:05:17,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:05:17,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 03:05:17,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-28 03:05:17,417 INFO L87 Difference]: Start difference. First operand 288 states. Second operand 7 states. [2020-10-28 03:05:20,239 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2020-10-28 03:05:20,802 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-28 03:05:25,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:05:25,963 INFO L93 Difference]: Finished difference Result 580 states and 745 transitions. [2020-10-28 03:05:25,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 03:05:25,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2020-10-28 03:05:25,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:05:25,994 INFO L225 Difference]: With dead ends: 580 [2020-10-28 03:05:25,994 INFO L226 Difference]: Without dead ends: 335 [2020-10-28 03:05:26,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:05:26,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-10-28 03:05:26,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 247. [2020-10-28 03:05:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-28 03:05:26,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2020-10-28 03:05:26,120 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 33 [2020-10-28 03:05:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:05:26,121 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2020-10-28 03:05:26,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 03:05:26,122 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2020-10-28 03:05:26,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-10-28 03:05:26,123 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:05:26,123 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] [2020-10-28 03:05:26,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 03:05:26,124 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:05:26,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:05:26,125 INFO L82 PathProgramCache]: Analyzing trace with hash -153707341, now seen corresponding path program 1 times [2020-10-28 03:05:26,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:05:26,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1460219530] [2020-10-28 03:05:26,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:05:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:26,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:26,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:26,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-28 03:05:26,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:26,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 636 [2020-10-28 03:05:26,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:26,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:05:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:05:26,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-28 03:05:26,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:05:27,333 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:05:27,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:05:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:27,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:27,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:27,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:27,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 157 [2020-10-28 03:05:27,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:27,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:05:27,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:27,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:05:27,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:05:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:27,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:27,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:27,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:05:27,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:05:27,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:05:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:27,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:05:27,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:27,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:05:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:27,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:27,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:27,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:05:27,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:27,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 03:05:27,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:05:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:05:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:27,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:27,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:27,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:27,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:05:27,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:05:27,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:27,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:27,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:27,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:27,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:27,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:27,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:27,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:05:27,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:27,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:27,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:27,659 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 03:05:27,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1460219530] [2020-10-28 03:05:27,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:05:27,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 03:05:27,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181752499] [2020-10-28 03:05:27,665 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 03:05:27,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:05:27,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 03:05:27,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 03:05:27,666 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 4 states. [2020-10-28 03:05:30,231 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 03:05:37,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:05:37,160 INFO L93 Difference]: Finished difference Result 845 states and 1038 transitions. [2020-10-28 03:05:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 03:05:37,167 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 33 [2020-10-28 03:05:37,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:05:37,174 INFO L225 Difference]: With dead ends: 845 [2020-10-28 03:05:37,175 INFO L226 Difference]: Without dead ends: 630 [2020-10-28 03:05:37,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 03:05:37,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2020-10-28 03:05:37,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 511. [2020-10-28 03:05:37,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2020-10-28 03:05:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 608 transitions. [2020-10-28 03:05:37,312 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 608 transitions. Word has length 33 [2020-10-28 03:05:37,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:05:37,313 INFO L481 AbstractCegarLoop]: Abstraction has 511 states and 608 transitions. [2020-10-28 03:05:37,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 03:05:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 608 transitions. [2020-10-28 03:05:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-28 03:05:37,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:05:37,314 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] [2020-10-28 03:05:37,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 03:05:37,315 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:05:37,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:05:37,316 INFO L82 PathProgramCache]: Analyzing trace with hash -671087030, now seen corresponding path program 1 times [2020-10-28 03:05:37,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:05:37,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944583824] [2020-10-28 03:05:37,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:05:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:37,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:37,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:37,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 54 [2020-10-28 03:05:37,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:37,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 388 [2020-10-28 03:05:37,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:37,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:05:37,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:05:37,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-28 03:05:37,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:38,197 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:05:38,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:05:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:38,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:38,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:38,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:38,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:38,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-28 03:05:38,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:38,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:05:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:38,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:05:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:38,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:05:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:38,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:38,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:38,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:05:38,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:38,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:05:38,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:38,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:05:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:38,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:05:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:38,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:05:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:38,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:38,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:38,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:05:38,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 03:05:38,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:05:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:38,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:05:38,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:38,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:38,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:38,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:05:38,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:38,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:05:38,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:38,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:38,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:38,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:38,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:38,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:38,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:38,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:38,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:38,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:05:38,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:38,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:38,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:38,458 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 03:05:38,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944583824] [2020-10-28 03:05:38,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:05:38,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 03:05:38,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806530261] [2020-10-28 03:05:38,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 03:05:38,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:05:38,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 03:05:38,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 03:05:38,463 INFO L87 Difference]: Start difference. First operand 511 states and 608 transitions. Second operand 4 states. [2020-10-28 03:05:41,006 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 03:05:47,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:05:47,659 INFO L93 Difference]: Finished difference Result 1688 states and 2101 transitions. [2020-10-28 03:05:47,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 03:05:47,660 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-10-28 03:05:47,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:05:47,670 INFO L225 Difference]: With dead ends: 1688 [2020-10-28 03:05:47,670 INFO L226 Difference]: Without dead ends: 1199 [2020-10-28 03:05:47,673 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 03:05:47,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2020-10-28 03:05:47,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1022. [2020-10-28 03:05:47,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1022 states. [2020-10-28 03:05:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1244 transitions. [2020-10-28 03:05:47,878 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1244 transitions. Word has length 34 [2020-10-28 03:05:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:05:47,879 INFO L481 AbstractCegarLoop]: Abstraction has 1022 states and 1244 transitions. [2020-10-28 03:05:47,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 03:05:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1244 transitions. [2020-10-28 03:05:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-28 03:05:47,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:05:47,882 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] [2020-10-28 03:05:47,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 03:05:47,883 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:05:47,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:05:47,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1377464669, now seen corresponding path program 1 times [2020-10-28 03:05:47,884 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:05:47,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520888075] [2020-10-28 03:05:47,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:05:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:47,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-28 03:05:48,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-28 03:05:48,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:05:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 40 [2020-10-28 03:05:48,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:05:48,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,711 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:05:48,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:05:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:48,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 03:05:48,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:05:48,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:05:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:05:48,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:05:48,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:05:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:05:48,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:05:48,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:48,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:05:48,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:05:48,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:48,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:48,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:05:48,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 03:05:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:05:48,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:05:48,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 03:05:48,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:05:48,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:48,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:05:48,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:05:48,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:05:48,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:05:48,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 03:05:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:05:48,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:05:48,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 03:05:48,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:05:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:48,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:05:48,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:05:48,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-28 03:05:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:48,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:48,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:05:48,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:05:48,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:05:48,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:05:48,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:05:48,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:05:48,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:05:48,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:05:48,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:05:48,985 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 03:05:48,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520888075] [2020-10-28 03:05:48,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:05:48,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 03:05:48,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105980933] [2020-10-28 03:05:48,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 03:05:48,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:05:48,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 03:05:48,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 03:05:48,989 INFO L87 Difference]: Start difference. First operand 1022 states and 1244 transitions. Second operand 5 states. [2020-10-28 03:05:55,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:05:55,183 INFO L93 Difference]: Finished difference Result 2410 states and 3104 transitions. [2020-10-28 03:05:55,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 03:05:55,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-10-28 03:05:55,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:05:55,196 INFO L225 Difference]: With dead ends: 2410 [2020-10-28 03:05:55,196 INFO L226 Difference]: Without dead ends: 1415 [2020-10-28 03:05:55,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-28 03:05:55,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2020-10-28 03:05:55,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1058. [2020-10-28 03:05:55,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1058 states. [2020-10-28 03:05:55,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1299 transitions. [2020-10-28 03:05:55,428 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1299 transitions. Word has length 77 [2020-10-28 03:05:55,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:05:55,429 INFO L481 AbstractCegarLoop]: Abstraction has 1058 states and 1299 transitions. [2020-10-28 03:05:55,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 03:05:55,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1299 transitions. [2020-10-28 03:05:55,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-28 03:05:55,437 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:05:55,438 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:05:55,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 03:05:55,438 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:05:55,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:05:55,439 INFO L82 PathProgramCache]: Analyzing trace with hash 29875054, now seen corresponding path program 1 times [2020-10-28 03:05:55,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:05:55,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1555514022] [2020-10-28 03:05:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:05:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:05:55,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:55,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:05:55,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:00,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:00,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-28 03:06:00,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:06:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-28 03:06:00,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:06:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 03:06:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:06:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,081 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:06:01,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:01,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 03:06:01,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:06:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:06:01,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:01,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:06:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:01,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:01,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:01,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:01,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:06:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:01,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:01,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 03:06:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:01,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:06:01,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:01,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:01,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:01,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:01,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:01,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:01,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 03:06:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:06:01,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:06:01,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:01,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:06:01,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:01,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:06:01,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:01,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:06:01,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:01,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:01,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:06:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:01,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 03:06:01,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:06:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 03:06:01,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:06:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:01,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:06:01,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:01,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:01,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 03:06:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:01,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:06:01,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:06:01,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:06:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:01,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:01,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:01,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:01,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:01,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:01,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:01,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:01,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:01,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-28 03:06:01,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1555514022] [2020-10-28 03:06:01,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:06:01,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 03:06:01,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727610162] [2020-10-28 03:06:01,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 03:06:01,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:06:01,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 03:06:01,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 03:06:01,691 INFO L87 Difference]: Start difference. First operand 1058 states and 1299 transitions. Second operand 9 states. [2020-10-28 03:06:05,634 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:06:06,213 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:06:06,766 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:06:09,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:06:09,165 INFO L93 Difference]: Finished difference Result 1957 states and 2496 transitions. [2020-10-28 03:06:09,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 03:06:09,167 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 135 [2020-10-28 03:06:09,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:06:09,175 INFO L225 Difference]: With dead ends: 1957 [2020-10-28 03:06:09,175 INFO L226 Difference]: Without dead ends: 926 [2020-10-28 03:06:09,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2020-10-28 03:06:09,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2020-10-28 03:06:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 667. [2020-10-28 03:06:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2020-10-28 03:06:09,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 796 transitions. [2020-10-28 03:06:09,287 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 796 transitions. Word has length 135 [2020-10-28 03:06:09,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:06:09,288 INFO L481 AbstractCegarLoop]: Abstraction has 667 states and 796 transitions. [2020-10-28 03:06:09,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 03:06:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 796 transitions. [2020-10-28 03:06:09,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-28 03:06:09,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:06:09,291 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:06:09,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 03:06:09,292 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:06:09,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:06:09,293 INFO L82 PathProgramCache]: Analyzing trace with hash 1102405549, now seen corresponding path program 1 times [2020-10-28 03:06:09,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:06:09,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1362699504] [2020-10-28 03:06:09,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:06:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:09,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:09,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:09,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:10,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:14,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:14,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-28 03:06:14,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 03:06:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-28 03:06:14,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:06:14,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 03:06:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:06:14,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:14,864 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:06:14,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:14,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:14,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:14,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:14,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:14,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 03:06:14,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:14,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:14,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:14,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:06:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:14,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:14,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:14,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:06:14,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:14,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:06:14,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:14,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:14,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:14,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:14,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:06:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:14,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:14,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:14,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:14,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:14,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:14,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:14,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:14,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:14,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:14,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:14,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:14,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:14,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:14,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:14,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:14,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:14,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:14,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:14,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:14,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:14,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:14,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:14,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:14,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:14,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:14,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:14,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:14,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:15,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 03:06:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:15,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:15,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:16,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 03:06:20,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 03:06:20,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 03:06:20,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:06:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 03:06:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:06:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:20,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:20,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:06:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:20,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:06:20,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:20,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:20,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 03:06:20,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:20,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:20,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:20,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:20,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:06:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:06:20,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:20,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:20,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 03:06:20,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:06:20,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:20,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:06:20,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:06:20,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:20,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:20,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:20,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:20,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:06:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:20,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:06:20,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-28 03:06:20,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:06:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 03:06:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:06:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 03:06:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:06:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:20,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-28 03:06:20,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:06:20,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 03:06:20,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:20,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 03:06:20,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:06:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:06:20,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 03:06:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:20,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:06:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 03:06:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:06:20,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 03:06:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:20,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:06:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 03:06:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:06:20,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:20,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 03:06:20,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:20,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:20,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:20,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:20,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:20,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:06:20,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:20,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:20,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:20,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:20,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-28 03:06:20,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1362699504] [2020-10-28 03:06:20,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:06:20,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 03:06:20,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013457392] [2020-10-28 03:06:20,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 03:06:20,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:06:20,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 03:06:20,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-10-28 03:06:20,847 INFO L87 Difference]: Start difference. First operand 667 states and 796 transitions. Second operand 14 states. [2020-10-28 03:06:21,305 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 03:06:24,522 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-28 03:06:26,087 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 03:06:26,653 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 03:06:27,314 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 03:06:27,914 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 03:06:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:06:30,892 INFO L93 Difference]: Finished difference Result 1294 states and 1597 transitions. [2020-10-28 03:06:30,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 03:06:30,892 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 137 [2020-10-28 03:06:30,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:06:30,898 INFO L225 Difference]: With dead ends: 1294 [2020-10-28 03:06:30,898 INFO L226 Difference]: Without dead ends: 789 [2020-10-28 03:06:30,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2020-10-28 03:06:30,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-28 03:06:31,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 633. [2020-10-28 03:06:31,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-10-28 03:06:31,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 742 transitions. [2020-10-28 03:06:31,042 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 742 transitions. Word has length 137 [2020-10-28 03:06:31,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:06:31,042 INFO L481 AbstractCegarLoop]: Abstraction has 633 states and 742 transitions. [2020-10-28 03:06:31,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 03:06:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 742 transitions. [2020-10-28 03:06:31,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-28 03:06:31,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:06:31,045 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:06:31,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 03:06:31,045 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:06:31,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:06:31,046 INFO L82 PathProgramCache]: Analyzing trace with hash 653708910, now seen corresponding path program 1 times [2020-10-28 03:06:31,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:06:31,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058047515] [2020-10-28 03:06:31,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:06:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:31,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:31,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:31,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:36,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-28 03:06:36,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:06:36,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-28 03:06:36,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:06:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 143 [2020-10-28 03:06:36,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:06:36,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:36,536 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:06:36,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:36,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:36,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:36,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:36,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 03:06:36,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:36,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:36,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:36,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:36,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:36,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:06:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:36,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:06:36,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:36,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:36,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:36,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:36,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:36,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:06:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:36,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:36,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:36,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:36,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:36,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:36,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:36,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:36,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:36,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:36,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:36,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:36,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:36,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:36,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:36,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:36,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:36,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:36,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:36,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:36,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:36,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:36,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:36,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:36,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 03:06:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:36,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:36,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-28 03:06:41,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 03:06:41,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 03:06:41,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:06:41,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-28 03:06:41,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:06:41,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:41,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:41,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:06:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:41,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:06:41,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:41,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:41,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:41,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:41,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:41,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:41,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:06:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:06:41,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:41,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:41,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:06:41,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:41,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:41,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:41,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:41,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:41,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:41,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:41,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:41,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:41,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:41,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:41,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:41,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:06:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:42,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 03:06:42,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:06:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:42,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 03:06:42,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:06:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:42,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:42,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:42,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:42,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:42,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:42,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:42,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:42,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:42,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 03:06:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:42,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:42,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:06:42,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:42,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-28 03:06:42,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:42,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:42,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:42,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:06:42,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:42,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 03:06:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:42,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:42,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:06:42,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:42,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 03:06:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:06:42,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:42,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 03:06:42,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:42,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:42,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:42,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:42,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:42,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:42,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:06:42,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:42,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:42,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-28 03:06:42,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058047515] [2020-10-28 03:06:42,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:06:42,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 03:06:42,166 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735700287] [2020-10-28 03:06:42,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:06:42,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:06:42,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:06:42,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:06:42,167 INFO L87 Difference]: Start difference. First operand 633 states and 742 transitions. Second operand 10 states. [2020-10-28 03:06:42,616 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 03:06:48,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:06:48,343 INFO L93 Difference]: Finished difference Result 1253 states and 1521 transitions. [2020-10-28 03:06:48,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 03:06:48,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 137 [2020-10-28 03:06:48,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:06:48,349 INFO L225 Difference]: With dead ends: 1253 [2020-10-28 03:06:48,349 INFO L226 Difference]: Without dead ends: 789 [2020-10-28 03:06:48,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 03:06:48,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2020-10-28 03:06:48,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 633. [2020-10-28 03:06:48,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2020-10-28 03:06:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 740 transitions. [2020-10-28 03:06:48,456 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 740 transitions. Word has length 137 [2020-10-28 03:06:48,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:06:48,457 INFO L481 AbstractCegarLoop]: Abstraction has 633 states and 740 transitions. [2020-10-28 03:06:48,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:06:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 740 transitions. [2020-10-28 03:06:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-28 03:06:48,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:06:48,459 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:06:48,459 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 03:06:48,460 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:06:48,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:06:48,460 INFO L82 PathProgramCache]: Analyzing trace with hash -880293234, now seen corresponding path program 1 times [2020-10-28 03:06:48,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:06:48,461 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710548959] [2020-10-28 03:06:48,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:06:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:48,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:48,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:53,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:53,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-28 03:06:53,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:06:53,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 03:06:53,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 03:06:53,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 106 [2020-10-28 03:06:53,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-28 03:06:53,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,028 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:06:54,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:06:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:06:54,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:06:54,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:06:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:54,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:54,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:54,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:54,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:06:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 03:06:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:54,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:06:54,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:54,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:54,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:54,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:06:54,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 03:06:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:06:54,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 03:06:54,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 03:06:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 03:06:54,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:06:54,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 03:06:54,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 03:06:54,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 03:06:54,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:06:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 03:06:54,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 03:06:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 03:06:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:06:54,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 03:06:54,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:06:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 03:06:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:06:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:06:54,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:06:54,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:06:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:54,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:54,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:06:54,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:06:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:54,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:06:54,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:54,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:06:54,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 03:06:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:06:54,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:06:54,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:06:54,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:06:54,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:06:54,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:06:54,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:06:54,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:06:54,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:06:54,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:06:54,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:06:54,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:06:54,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:06:54,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:06:54,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:06:54,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:06:54,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:06:54,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:06:54,932 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 03:06:54,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710548959] [2020-10-28 03:06:54,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:06:54,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-28 03:06:54,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585720402] [2020-10-28 03:06:54,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-28 03:06:54,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:06:54,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-28 03:06:54,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-28 03:06:54,938 INFO L87 Difference]: Start difference. First operand 633 states and 740 transitions. Second operand 17 states. [2020-10-28 03:06:58,284 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-28 03:06:58,925 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-28 03:06:59,503 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2020-10-28 03:07:00,075 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:00,614 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:01,174 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:01,713 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:02,721 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:03,240 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:03,797 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:04,328 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:07,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:07,863 INFO L93 Difference]: Finished difference Result 1406 states and 1698 transitions. [2020-10-28 03:07:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-28 03:07:07,874 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 135 [2020-10-28 03:07:07,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:07,879 INFO L225 Difference]: With dead ends: 1406 [2020-10-28 03:07:07,879 INFO L226 Difference]: Without dead ends: 800 [2020-10-28 03:07:07,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=130, Invalid=682, Unknown=0, NotChecked=0, Total=812 [2020-10-28 03:07:07,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-28 03:07:07,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 688. [2020-10-28 03:07:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-10-28 03:07:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 805 transitions. [2020-10-28 03:07:07,989 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 805 transitions. Word has length 135 [2020-10-28 03:07:07,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:07,989 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 805 transitions. [2020-10-28 03:07:07,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-28 03:07:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 805 transitions. [2020-10-28 03:07:07,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-28 03:07:07,991 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:07,992 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:07:07,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 03:07:07,992 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:07,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:07,993 INFO L82 PathProgramCache]: Analyzing trace with hash 424100495, now seen corresponding path program 2 times [2020-10-28 03:07:07,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:07,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049615827] [2020-10-28 03:07:07,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:08,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:08,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-28 03:07:13,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:07:13,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 03:07:13,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 03:07:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 74 [2020-10-28 03:07:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 03:07:13,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,551 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:07:13,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:13,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 03:07:13,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:13,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:13,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:13,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:13,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:13,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:13,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:13,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:13,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:13,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:13,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:13,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:13,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:07:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:13,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:13,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:13,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 03:07:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:07:13,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 03:07:13,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-28 03:07:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 03:07:13,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:13,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 03:07:13,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 03:07:13,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-28 03:07:13,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:13,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:13,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:13,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:13,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:13,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:07:13,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:07:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:13,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 03:07:13,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:14,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:07:14,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:07:14,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:07:14,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 03:07:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:07:14,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:07:14,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 03:07:14,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:07:14,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:07:14,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:14,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:14,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:14,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:14,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:14,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:14,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:07:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:14,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:14,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:07:14,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:07:14,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:14,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:14,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:14,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:14,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 03:07:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:14,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:07:14,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 03:07:14,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:07:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:14,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:14,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:14,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:14,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:14,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:14,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:14,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:14,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:14,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:14,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:14,359 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 03:07:14,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049615827] [2020-10-28 03:07:14,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 03:07:14,360 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-28 03:07:14,360 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158946143] [2020-10-28 03:07:14,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 03:07:14,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:07:14,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 03:07:14,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:07:14,361 INFO L87 Difference]: Start difference. First operand 688 states and 805 transitions. Second operand 15 states. [2020-10-28 03:07:17,488 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:18,075 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:18,614 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:19,170 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:19,709 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:20,284 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:20,820 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:21,379 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:21,914 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2020-10-28 03:07:25,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:25,446 INFO L93 Difference]: Finished difference Result 1484 states and 1793 transitions. [2020-10-28 03:07:25,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 03:07:25,447 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 135 [2020-10-28 03:07:25,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:25,451 INFO L225 Difference]: With dead ends: 1484 [2020-10-28 03:07:25,452 INFO L226 Difference]: Without dead ends: 823 [2020-10-28 03:07:25,454 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=110, Invalid=490, Unknown=0, NotChecked=0, Total=600 [2020-10-28 03:07:25,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-10-28 03:07:25,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 700. [2020-10-28 03:07:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 700 states. [2020-10-28 03:07:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 823 transitions. [2020-10-28 03:07:25,567 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 823 transitions. Word has length 135 [2020-10-28 03:07:25,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:25,567 INFO L481 AbstractCegarLoop]: Abstraction has 700 states and 823 transitions. [2020-10-28 03:07:25,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 03:07:25,567 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 823 transitions. [2020-10-28 03:07:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-28 03:07:25,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:25,569 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:07:25,570 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 03:07:25,570 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:25,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:25,570 INFO L82 PathProgramCache]: Analyzing trace with hash -2016521264, now seen corresponding path program 3 times [2020-10-28 03:07:25,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:25,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1734386388] [2020-10-28 03:07:25,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:25,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:26,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:26,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-28 03:07:26,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:26,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1174 [2020-10-28 03:07:26,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 03:07:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:07:26,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 176 [2020-10-28 03:07:26,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,346 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:07:27,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:27,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 03:07:27,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:07:27,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:27,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:27,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:07:27,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:27,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:27,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:07:27,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:27,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:27,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:27,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:27,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 03:07:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:27,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:27,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:07:27,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 03:07:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:07:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:07:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 03:07:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:27,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:27,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:27,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:27,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:27,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:07:27,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-28 03:07:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:07:27,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 03:07:27,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 03:07:27,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:27,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:07:27,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:27,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:27,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:27,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:27,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:27,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:27,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:07:27,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-28 03:07:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:27,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-10-28 03:07:27,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:07:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 03:07:27,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 03:07:27,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:07:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:27,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:27,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 03:07:27,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:27,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:27,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:27,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-28 03:07:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:27,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:27,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:27,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:27,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 03:07:27,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:27,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:07:27,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:27,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:07:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:28,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:28,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:28,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:28,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:28,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:28,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:28,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:28,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:28,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:28,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:28,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:28,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:28,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:28,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:28,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:28,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:28,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:28,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-28 03:07:28,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1734386388] [2020-10-28 03:07:28,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:07:28,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 03:07:28,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566582101] [2020-10-28 03:07:28,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:07:28,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:07:28,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:07:28,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:07:28,046 INFO L87 Difference]: Start difference. First operand 700 states and 823 transitions. Second operand 10 states. [2020-10-28 03:07:30,594 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 03:07:33,296 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2020-10-28 03:07:35,935 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 163 [2020-10-28 03:07:42,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:42,342 INFO L93 Difference]: Finished difference Result 1419 states and 1726 transitions. [2020-10-28 03:07:42,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-28 03:07:42,348 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 135 [2020-10-28 03:07:42,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:42,358 INFO L225 Difference]: With dead ends: 1419 [2020-10-28 03:07:42,358 INFO L226 Difference]: Without dead ends: 1414 [2020-10-28 03:07:42,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-28 03:07:42,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2020-10-28 03:07:42,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1201. [2020-10-28 03:07:42,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2020-10-28 03:07:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1434 transitions. [2020-10-28 03:07:42,556 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1434 transitions. Word has length 135 [2020-10-28 03:07:42,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:42,557 INFO L481 AbstractCegarLoop]: Abstraction has 1201 states and 1434 transitions. [2020-10-28 03:07:42,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:07:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1434 transitions. [2020-10-28 03:07:42,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-28 03:07:42,560 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:42,560 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:07:42,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 03:07:42,560 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:42,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:42,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1546036819, now seen corresponding path program 1 times [2020-10-28 03:07:42,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:42,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716450518] [2020-10-28 03:07:42,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:42,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:43,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:43,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-28 03:07:43,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1341 [2020-10-28 03:07:43,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:07:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-28 03:07:43,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 03:07:43,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,462 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:07:44,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:44,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 03:07:44,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:44,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:44,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:44,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:07:44,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:44,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:07:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:44,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:44,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 03:07:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-28 03:07:44,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-28 03:07:44,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:07:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 89 [2020-10-28 03:07:44,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:44,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:44,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:07:44,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:07:44,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 03:07:44,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:44,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:07:44,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:44,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:44,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:07:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 03:07:44,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:07:44,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:07:44,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:44,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:07:44,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:44,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:44,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:44,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:44,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 03:07:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:44,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:07:44,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:07:44,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-28 03:07:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:44,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:07:44,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:44,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:07:44,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 03:07:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:07:44,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-28 03:07:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:44,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:44,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:07:44,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:07:44,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 03:07:44,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:44,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:44,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:44,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:45,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:45,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:07:45,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:45,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:45,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:45,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:45,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:07:45,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:45,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:45,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:45,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:45,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:45,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:45,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-28 03:07:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:45,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:45,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:45,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:45,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:45,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:07:45,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:45,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 03:07:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:45,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:45,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:45,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:45,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:45,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 03:07:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:45,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:45,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:45,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:45,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:45,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:07:45,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:45,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:45,062 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-28 03:07:45,062 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716450518] [2020-10-28 03:07:45,062 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:07:45,063 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 03:07:45,063 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959911004] [2020-10-28 03:07:45,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 03:07:45,064 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:07:45,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 03:07:45,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-28 03:07:45,064 INFO L87 Difference]: Start difference. First operand 1201 states and 1434 transitions. Second operand 10 states. [2020-10-28 03:07:45,598 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 03:07:48,615 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-10-28 03:07:49,806 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2020-10-28 03:07:52,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:07:52,824 INFO L93 Difference]: Finished difference Result 2531 states and 3070 transitions. [2020-10-28 03:07:52,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:07:52,826 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2020-10-28 03:07:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:07:52,834 INFO L225 Difference]: With dead ends: 2531 [2020-10-28 03:07:52,835 INFO L226 Difference]: Without dead ends: 1304 [2020-10-28 03:07:52,839 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-10-28 03:07:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2020-10-28 03:07:53,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1151. [2020-10-28 03:07:53,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-10-28 03:07:53,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1395 transitions. [2020-10-28 03:07:53,080 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1395 transitions. Word has length 154 [2020-10-28 03:07:53,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:07:53,080 INFO L481 AbstractCegarLoop]: Abstraction has 1151 states and 1395 transitions. [2020-10-28 03:07:53,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 03:07:53,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1395 transitions. [2020-10-28 03:07:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-28 03:07:53,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:07:53,084 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:07:53,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 03:07:53,084 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:07:53,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:07:53,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1030646687, now seen corresponding path program 1 times [2020-10-28 03:07:53,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:07:53,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144327173] [2020-10-28 03:07:53,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:07:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:53,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:53,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:53,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:53,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:54,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:58,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-28 03:07:58,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 03:07:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5056 [2020-10-28 03:07:58,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:07:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 178 [2020-10-28 03:07:58,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:07:58,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:58,642 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:07:58,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:07:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:58,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:58,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:58,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:07:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:58,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:58,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:07:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:58,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:58,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:07:58,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:58,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:07:58,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:58,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:58,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:58,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:58,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:58,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:07:58,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:58,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:07:58,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:58,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:58,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:07:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:58,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:07:58,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:07:58,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:07:58,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:07:58,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:07:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:07:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:07:58,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:07:58,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:07:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 03:07:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:07:58,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:58,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:07:59,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-28 03:08:02,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 03:08:02,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3598 [2020-10-28 03:08:02,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:02,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 130 [2020-10-28 03:08:02,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:08:02,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:02,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:02,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:02,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:08:02,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:02,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:02,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:02,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:02,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:02,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:02,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:02,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:08:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:08:02,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:02,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:08:02,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:02,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:02,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:02,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:02,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:02,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:08:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:02,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:02,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:02,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:02,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 03:08:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:02,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 03:08:02,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 03:08:02,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 03:08:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 03:08:02,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 03:08:02,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:02,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 03:08:02,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:08:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 03:08:02,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:02,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:02,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:08:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:02,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:02,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 03:08:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:08:02,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 03:08:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:02,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:02,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:02,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 03:08:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:02,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:02,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:02,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:02,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:02,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:02,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:02,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:02,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:02,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:02,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:02,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 03:08:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:03,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:03,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:03,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:03,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:03,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:03,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:03,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:03,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:03,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-28 03:08:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:03,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:03,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:03,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:08:03,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:03,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:03,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:03,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:03,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 03:08:03,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:03,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:03,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:03,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:03,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:03,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:03,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:03,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 03:08:03,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:03,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:03,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:03,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:03,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:03,038 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-10-28 03:08:03,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144327173] [2020-10-28 03:08:03,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:08:03,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-28 03:08:03,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210811276] [2020-10-28 03:08:03,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-28 03:08:03,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:08:03,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-28 03:08:03,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-10-28 03:08:03,040 INFO L87 Difference]: Start difference. First operand 1151 states and 1395 transitions. Second operand 15 states. [2020-10-28 03:08:03,537 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 03:08:07,323 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-28 03:08:07,950 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-28 03:08:08,565 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-10-28 03:08:09,152 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 03:08:09,732 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-10-28 03:08:10,486 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2020-10-28 03:08:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:08:13,696 INFO L93 Difference]: Finished difference Result 2247 states and 2766 transitions. [2020-10-28 03:08:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-28 03:08:13,697 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 163 [2020-10-28 03:08:13,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:08:13,704 INFO L225 Difference]: With dead ends: 2247 [2020-10-28 03:08:13,704 INFO L226 Difference]: Without dead ends: 1178 [2020-10-28 03:08:13,708 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=130, Invalid=422, Unknown=0, NotChecked=0, Total=552 [2020-10-28 03:08:13,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2020-10-28 03:08:13,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1076. [2020-10-28 03:08:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1076 states. [2020-10-28 03:08:13,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1274 transitions. [2020-10-28 03:08:13,924 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1274 transitions. Word has length 163 [2020-10-28 03:08:13,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:08:13,927 INFO L481 AbstractCegarLoop]: Abstraction has 1076 states and 1274 transitions. [2020-10-28 03:08:13,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-28 03:08:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1274 transitions. [2020-10-28 03:08:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-28 03:08:13,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:08:13,930 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:08:13,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 03:08:13,930 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:08:13,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:08:13,931 INFO L82 PathProgramCache]: Analyzing trace with hash 940071015, now seen corresponding path program 1 times [2020-10-28 03:08:13,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:08:13,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618567132] [2020-10-28 03:08:13,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:08:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:14,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:14,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:14,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 03:08:14,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:14,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 485 [2020-10-28 03:08:14,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:08:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 167 [2020-10-28 03:08:14,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:14,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:14,955 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:08:14,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:14,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:14,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:14,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:14,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:14,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 03:08:14,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:14,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:14,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:14,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:14,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:14,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:14,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:14,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:08:15,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 03:08:15,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:08:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:15,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:15,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:15,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:15,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:15,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:15,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 03:08:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-28 03:08:15,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 112 [2020-10-28 03:08:15,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 03:08:15,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 119 [2020-10-28 03:08:15,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:15,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:15,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:15,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:08:15,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:08:15,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:15,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:15,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:15,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:15,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:15,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:15,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:08:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:08:15,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:08:15,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:08:15,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 03:08:15,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:15,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:15,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:15,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:15,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:15,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:15,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:08:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:15,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:15,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:15,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:15,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 03:08:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:15,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 03:08:15,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 03:08:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-28 03:08:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:15,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:15,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:15,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:15,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 03:08:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:08:15,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:15,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 03:08:15,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 03:08:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 03:08:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:15,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:15,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:15,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 03:08:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:15,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:15,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:15,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-28 03:08:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:08:15,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 03:08:15,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-28 03:08:15,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:15,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:15,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:15,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:15,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:15,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:15,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:15,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:15,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:15,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:15,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:15,777 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-28 03:08:15,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618567132] [2020-10-28 03:08:15,777 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:08:15,777 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-28 03:08:15,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735027927] [2020-10-28 03:08:15,778 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 03:08:15,778 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:08:15,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 03:08:15,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-10-28 03:08:15,779 INFO L87 Difference]: Start difference. First operand 1076 states and 1274 transitions. Second operand 12 states. [2020-10-28 03:08:16,280 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 03:08:22,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:08:22,041 INFO L93 Difference]: Finished difference Result 1234 states and 1470 transitions. [2020-10-28 03:08:22,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 03:08:22,042 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 165 [2020-10-28 03:08:22,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:08:22,047 INFO L225 Difference]: With dead ends: 1234 [2020-10-28 03:08:22,047 INFO L226 Difference]: Without dead ends: 1182 [2020-10-28 03:08:22,048 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-10-28 03:08:22,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2020-10-28 03:08:22,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1080. [2020-10-28 03:08:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2020-10-28 03:08:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1275 transitions. [2020-10-28 03:08:22,262 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1275 transitions. Word has length 165 [2020-10-28 03:08:22,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:08:22,263 INFO L481 AbstractCegarLoop]: Abstraction has 1080 states and 1275 transitions. [2020-10-28 03:08:22,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 03:08:22,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1275 transitions. [2020-10-28 03:08:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-28 03:08:22,265 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:08:22,265 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:08:22,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 03:08:22,266 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:08:22,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:08:22,266 INFO L82 PathProgramCache]: Analyzing trace with hash 762321974, now seen corresponding path program 1 times [2020-10-28 03:08:22,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:08:22,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1341764840] [2020-10-28 03:08:22,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:08:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:22,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1345 [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 219 [2020-10-28 03:08:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,179 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2020-10-28 03:08:24,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:24,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-28 03:08:24,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:24,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 03:08:24,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 03:08:24,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:24,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:24,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 03:08:24,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 03:08:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:24,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 03:08:24,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:24,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:08:24,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:24,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:24,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:24,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:24,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 03:08:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 155 [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-28 03:08:24,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:24,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:24,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 03:08:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:08:24,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:24,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-28 03:08:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:24,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:24,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:24,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:24,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:24,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:24,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-28 03:08:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-28 03:08:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-28 03:08:24,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 03:08:24,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 03:08:24,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:24,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-28 03:08:24,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:24,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 03:08:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:24,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 03:08:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:24,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:24,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:24,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 03:08:24,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:08:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 03:08:24,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 03:08:24,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:24,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:24,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:25,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 03:08:25,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 03:08:25,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:25,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 03:08:25,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:25,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-28 03:08:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 03:08:25,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 03:08:25,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 03:08:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:25,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:25,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 03:08:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 03:08:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 03:08:25,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 03:08:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:25,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 03:08:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:25,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 03:08:25,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:25,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-28 03:08:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 03:08:25,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-28 03:08:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-10-28 03:08:25,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 03:08:25,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 03:08:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-28 03:08:25,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 03:08:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:25,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 03:08:25,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 03:08:25,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 03:08:25,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 03:08:25,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 03:08:25,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 03:08:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 03:08:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 03:08:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 03:08:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 03:08:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-10-28 03:08:25,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1341764840] [2020-10-28 03:08:25,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 03:08:25,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-28 03:08:25,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239418087] [2020-10-28 03:08:25,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-28 03:08:25,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 03:08:25,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-28 03:08:25,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-28 03:08:25,315 INFO L87 Difference]: Start difference. First operand 1080 states and 1275 transitions. Second operand 14 states. [2020-10-28 03:08:25,858 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-10-28 03:08:28,433 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-10-28 03:08:30,673 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2020-10-28 03:08:35,689 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 171 [2020-10-28 03:08:36,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 03:08:36,770 INFO L93 Difference]: Finished difference Result 2295 states and 2836 transitions. [2020-10-28 03:08:36,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 03:08:36,771 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 166 [2020-10-28 03:08:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 03:08:36,780 INFO L225 Difference]: With dead ends: 2295 [2020-10-28 03:08:36,780 INFO L226 Difference]: Without dead ends: 1686 [2020-10-28 03:08:36,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-10-28 03:08:36,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2020-10-28 03:08:36,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1341. [2020-10-28 03:08:36,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1341 states. [2020-10-28 03:08:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1341 states and 1576 transitions. [2020-10-28 03:08:37,000 INFO L78 Accepts]: Start accepts. Automaton has 1341 states and 1576 transitions. Word has length 166 [2020-10-28 03:08:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 03:08:37,001 INFO L481 AbstractCegarLoop]: Abstraction has 1341 states and 1576 transitions. [2020-10-28 03:08:37,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-28 03:08:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1576 transitions. [2020-10-28 03:08:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-28 03:08:37,004 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 03:08:37,004 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-10-28 03:08:37,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-28 03:08:37,005 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 03:08:37,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 03:08:37,005 INFO L82 PathProgramCache]: Analyzing trace with hash -71355376, now seen corresponding path program 1 times [2020-10-28 03:08:37,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 03:08:37,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847712345] [2020-10-28 03:08:37,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 03:08:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 03:08:37,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking...